Product Description
Product Description:
Single ball rubber joint is a kind of pipeline joint which is high-flexibility,high-gas tightness,resistance to medium and climate. Limit displacement and Prevent pull off rubber joint is usually composed of inner rubber layer,fabric reinforcement layer(reinforcement layer have multilayer frictioning nylon cord fabric),middle rubber layer,outer rubber layer,top reinforce metal ring or bead ring. After high pressure, high temperature vulcanization and become. It can reduce the vibration and noise of pipeline.It can also compensate for the Thermal expansion and cold contraction caused by temperature changed.
Product features:
1.Small volume, light weight, good elasticity, easy installation and maintenance.
2.After installation, it can assimilate horizontal, axial and angular displacement caused by pipeline vibration.
3.After installation, it can reduce the noise which produced by the pipeline and water pump etc.
4.Inside has seamless high pressure rubber joint more effectively prevent rubber joint’s inner walls from being corroded by corrosive medium in high temperature resistance,acid and alkali resistant,oil resistance pipeline and raised working life.
|
Technics condition |
|||
|
Item/type |
KXT-1 |
KXT-2 |
KXT-3 |
|
work pressure MPa( kgf/cm 2 ) |
1.0(10 ) |
1.6 ( 16 ) |
2.5 ( 25 ) |
|
explosion pressure MPa( kgf/cm 2 ) |
2.0 ( 20 ) |
3.0 ( 30 ) |
4.5 ( 45 ) |
|
vacuum degree KPa(mm/Hg) |
53.3 ( 400 ) |
86.7 ( 650 ) |
100 ( 750 ) |
|
Applicable temperature |
-15 ºC~ 115 ºC special can reach -30 ºC ~ 250 ºC |
||
|
Applicable medium |
Air,compressed air,water,sea water,hot water,oil,acid,alkali etc. |
||
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Use of Flexible Flange Couplings in Applications Requiring Electrical Isolation
Yes, flexible flange couplings can be used in applications requiring electrical isolation between shafts. In certain industrial scenarios, it is essential to electrically isolate the connected equipment or shafts to prevent the flow of electrical current between them. This requirement is common in applications involving sensitive electronic components, motors, generators, or systems where grounding issues need to be avoided.
To achieve electrical isolation, flexible flange couplings can be designed using non-conductive or insulating materials. Some key considerations for using flexible flange couplings in such applications are as follows:
- Material Selection: Instead of metallic materials commonly used in standard couplings, such as steel or aluminum, the flexible flange couplings for electrical isolation purposes can be manufactured from non-conductive materials like thermoplastics, certain composites, or specially formulated insulating elastomers.
- Insulating Sleeve: Some flexible flange couplings may feature an insulating sleeve or barrier between the two flanges. This sleeve prevents direct contact between the flanges and acts as an electrical barrier, ensuring isolation between the shafts.
- Dielectric Strength: When selecting materials for electrical isolation, it is crucial to consider their dielectric strength, which determines the maximum voltage they can withstand without breakdown. The materials chosen should have adequate dielectric strength to suit the application’s electrical requirements.
- Performance Considerations: It is important to note that while achieving electrical isolation, the selected materials should still meet the necessary performance criteria for the specific application. The coupling must retain its ability to transmit torque, accommodate misalignment, and provide damping characteristics as required.
- Environmental Factors: Consideration should also be given to the environmental conditions of the application, such as temperature, humidity, and chemical exposure. The chosen materials should be compatible with the operating environment to ensure long-term reliability.
By carefully selecting appropriate materials and incorporating insulating features, flexible flange couplings can effectively provide electrical isolation between shafts while fulfilling the mechanical and functional requirements of the machinery or equipment. This enables the safe and reliable operation of electrical systems without the risk of electrical currents passing through the coupling and connected components.
Comparison of Flexible Flange Couplings with Other Coupling Types
Flexible flange couplings, elastomeric couplings, and beam couplings are all popular choices for transmitting torque and accommodating misalignment in mechanical systems. Each type has its unique features and advantages, making them suitable for various applications. Here’s a comparison of flexible flange couplings with elastomeric and beam couplings:
- Flexible Flange Couplings:
- Design: Flexible flange couplings consist of two flanges with flexible elements (often rubber or polyurethane) connecting them. The flexibility of the coupling allows it to accommodate angular, axial, and parallel misalignments.
- Misalignment Compensation: Flexible flange couplings can handle moderate to high levels of misalignment, making them suitable for applications where misalignment is expected.
- Torque Capacity: They generally have a high torque capacity, making them suitable for high-power applications.
- Backlash: Flexible flange couplings can have minimal backlash, ensuring accurate and precise motion transfer.
- Performance: They provide damping of vibrations, reducing resonance in the system and minimizing wear on connected components.
- Installation: Flexible flange couplings are relatively easy to install and require minimal maintenance.
- Applications: They are commonly used in industrial machinery, power transmission systems, and applications with moderate to high misalignment requirements.
- Elastomeric Couplings:
- Design: Elastomeric couplings use an elastomer (rubber) element to connect two hubs. The elastomer provides flexibility for misalignment compensation.
- Misalignment Compensation: Elastomeric couplings can handle angular and parallel misalignments but have limited axial misalignment capabilities.
- Torque Capacity: They have a moderate torque capacity and are suitable for applications with lower torque requirements.
- Backlash: Elastomeric couplings can have some level of backlash, which may impact precision in certain applications.
- Performance: They provide damping of vibrations and shock absorption, protecting connected components from damage.
- Installation: Elastomeric couplings are easy to install and require minimal maintenance.
- Applications: They are commonly used in pumps, compressors, and applications where dampening of vibrations is crucial.
- Beam Couplings:
- Design: Beam couplings consist of a single piece of material with spiral cuts that provide flexibility for misalignment compensation.
- Misalignment Compensation: Beam couplings can handle angular misalignment but have limited capabilities for parallel misalignment.
- Torque Capacity: They have a moderate torque capacity and are suitable for applications with moderate torque requirements.
- Backlash: Beam couplings typically have low or zero backlash, making them ideal for applications requiring precise motion transfer.
- Performance: They offer good torsional stiffness and high torsional strength.
- Installation: Beam couplings are simple to install and require little maintenance.
- Applications: They are commonly used in small motors, robotics, and applications with tight space constraints.
Ultimately, the choice between flexible flange couplings, elastomeric couplings, or beam couplings depends on the specific requirements of the application. Factors such as the amount of misalignment, torque capacity, backlash tolerance, and the level of vibration dampening needed will influence the selection process. It’s essential to carefully consider the operating conditions and performance characteristics to ensure the coupling chosen optimally meets the demands of the mechanical system.
Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems
When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:
- Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
- Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
- Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
- Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
- Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
- Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
- Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
- Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
- Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
- Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.
Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.
editor by CX 2024-05-15
China Standard Flexible Universal Range Coupling Flange Adaptor ISO9001 Pipe Fitting flange coupling
Product Description
UNIVERSAL COUPLING
APPLICATION
Universal coupling is also called wide range coupling, tolerance range coupling .
It can fit most standard pipe materials and therefore dramatically reduces the stocks of dedicated couplings
It is suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and Asbestors Cement pipes.
Size from DN40-DN2000
PRESSURE
PN10, PN16, PN25. Flange according to ISO2531/ EN545,/EN1092
MATERIAL
FAQ
1.Q: Are you manufacture or trade company?
A: We are a manufacturer factory and we also have our own exporting license.
2.Q: Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.
3.Q: Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.
4.Q: Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.
5.Q: Can I request to change the form of packaging and transportation?
A: Sure, we’re glad to fulfill your requirement. Yet please understand that extra costs may occur if the form of packaging and transportation are changed.
6.Q: Why trust in us ?
AMore than 20 years in this industry . It makes us professional .Good credit in this market. All of our machines are the assurance of our responsibility.
7. More questions please feel free to contact us.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How Does a Flange Coupling Handle Angular, Parallel, and Axial Misalignment?
A flange coupling is designed to accommodate various types of misalignment that may occur between two shafts. Here’s how it handles different types of misalignment:
- Angular Misalignment: Flange couplings can handle angular misalignment by allowing a slight flexing or bending of the flexible elements. The coupling’s flexible components, such as elastomeric or metallic elements, can bend and compensate for angular misalignment between the shafts. This flexibility ensures that the coupling can transmit torque smoothly even when the shafts are not perfectly aligned in a straight line.
- Parallel Misalignment: Flange couplings can also accommodate parallel misalignment between the shafts. When the two shafts are slightly offset in a parallel direction, the flexible elements in the coupling can move laterally to accommodate this misalignment. This lateral movement helps prevent excessive forces and wear on the coupling and connected equipment, ensuring efficient power transmission even in slightly misaligned conditions.
- Axial Misalignment: Axial misalignment refers to the situation when two shafts are displaced along their common axis. Flange couplings are not specifically designed to handle large axial misalignment. However, certain types of flange couplings may have limited axial movement capabilities due to the flexibility of their components. In some cases, an additional feature like an end float or sliding flange design may be incorporated to accommodate limited axial movement.
It is important to note that while flange couplings can handle a certain degree of misalignment, excessive misalignment can lead to premature wear and failure of the coupling. Regular maintenance and proper alignment of the shafts are essential to ensure the coupling’s optimal performance and longevity.
What are the Temperature and Environmental Limitations of Flange Couplings?
Flange couplings, like any mechanical component, have certain temperature and environmental limitations that can impact their performance and lifespan. It’s crucial to understand these limitations to select the appropriate flange coupling for specific applications. Here are the key factors to consider:
1. Temperature: Flange couplings are typically manufactured from materials that can withstand a range of temperatures. The maximum and minimum operating temperatures will depend on the material composition of the coupling. Common materials used for flange couplings, such as steel or stainless steel, can handle a broad temperature range from -40°C to 300°C or higher. However, extreme temperatures beyond the recommended range can cause material degradation, loss of strength, and potential failure of the coupling. In high-temperature applications, specialized materials like heat-resistant alloys may be used to maintain coupling integrity.
2. Corrosive Environments: Flange couplings operating in corrosive environments, such as chemical processing plants or marine applications, should be made from materials that resist corrosion. Stainless steel or other corrosion-resistant alloys are commonly used for such conditions. Regular inspection and maintenance are crucial to monitor the coupling’s condition and protect against premature failure due to corrosion.
3. Hazardous Environments: In certain industries, flange couplings may be exposed to hazardous or explosive atmospheres. In such cases, it’s essential to choose flange couplings that meet relevant safety standards, such as ATEX or IECEx, and are specifically designed and certified for use in hazardous environments.
4. Cleanliness and Hygienic Requirements: Industries such as food processing, pharmaceuticals, and biotechnology have strict hygiene standards. Flange couplings used in these applications should be easy to clean and constructed from materials that meet sanitary requirements to prevent contamination and ensure product purity.
5. Environmental Factors: Flange couplings used in outdoor applications may be exposed to various environmental factors such as moisture, dust, and UV radiation. Choosing couplings with appropriate protective coatings or seals can help enhance their resistance to environmental elements and extend their service life.
Before selecting a flange coupling for a specific application, it’s essential to consider the temperature and environmental conditions it will be exposed to. Consulting with coupling manufacturers or engineers can help ensure that the chosen flange coupling is suitable for the intended operating environment and will deliver reliable performance over its expected lifespan.
Selecting the Appropriate Flange Coupling for a Specific Application
Choosing the right flange coupling for a particular application involves considering several key factors to ensure optimal performance and reliability. Here’s a step-by-step guide to the selection process:
- 1. Identify Application Requirements: Understand the specific requirements of the application, including torque, speed, and operating conditions. Determine if the coupling will be exposed to harsh environments, extreme temperatures, or corrosive substances.
- 2. Calculate Torque and Power: Calculate the torque and power requirements for the shaft connection. This involves evaluating the motor or engine’s output torque and ensuring the selected coupling can handle the transmitted power.
- 3. Consider Misalignment: Assess the level of misalignment that may occur between the shafts during operation. For applications with significant misalignment, consider using flexible flange couplings that can accommodate angular, parallel, and axial misalignment.
- 4. Evaluate Speed and RPM: Determine the rotational speed (RPM) at which the coupling will operate. High-speed applications may require a balanced or precision-designed flange coupling to minimize vibrations and prevent damage to connected equipment.
- 5. Check Space Constraints: Consider the available space for installing the coupling. Some flange coupling designs may require more space than others, so ensure that the selected coupling fits within the available area.
- 6. Review Environmental Conditions: Evaluate the environmental conditions in which the coupling will operate. If the application involves exposure to dust, dirt, or moisture, consider using a protected or sealed flange coupling to prevent contamination.
- 7. Determine Flexibility: Decide on the level of flexibility required. Flexible flange couplings are suitable for applications where there may be shaft misalignment or torsional vibration. Rigid flange couplings, on the other hand, are ideal for precision applications with minimal misalignment.
- 8. Check Material Compatibility: Ensure that the material of the flange coupling is compatible with the shafts and the operating environment. Consider factors such as corrosion resistance, temperature tolerance, and mechanical properties.
- 9. Seek Expert Advice: When in doubt, consult with coupling manufacturers or engineering experts to help you select the most suitable flange coupling for your specific application.
By carefully considering these factors, you can select the appropriate flange coupling that meets the performance and operational requirements of your application, leading to a reliable and efficient shaft connection.
editor by CX 2024-05-15
China Best Sales JIS 10K Standard 8 Inch Galvanized Flexible Rubber Coupling with Flange
Product Description
JIS 10K standard 8 inch galvanized flexible rubber coupling with flange
Product Description
Rubber expansion joints consist of inner and outer rubber, cord layer and traveler, which are vulcanized and then combined with metal flanges or loose sleeves of parallel joints. This product can
reduce vibration and noise, and compensate thermal expansion and contraction caused by temperature change. It is widely used in various pipeline systems.
Feature
A. Small size,light weight,good elasticity,easy to install.
B. It can absorb lateral,axial and angular displacement caused by pipe vibration after installation,and is not limited by pipe’s non-concentric and non-parallel flange.
C. When working,the structure can be reduce noise transmission and strong vibration absorption ability.
Detailed Photos
Packaging
Application
Water, Sea Water, Fresh Water, Warm Water, Weak Acid Fluid, Soda Fluid, etc.
Company Profile
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Use of Flexible Flange Couplings in Applications Requiring Electrical Isolation
Yes, flexible flange couplings can be used in applications requiring electrical isolation between shafts. In certain industrial scenarios, it is essential to electrically isolate the connected equipment or shafts to prevent the flow of electrical current between them. This requirement is common in applications involving sensitive electronic components, motors, generators, or systems where grounding issues need to be avoided.
To achieve electrical isolation, flexible flange couplings can be designed using non-conductive or insulating materials. Some key considerations for using flexible flange couplings in such applications are as follows:
- Material Selection: Instead of metallic materials commonly used in standard couplings, such as steel or aluminum, the flexible flange couplings for electrical isolation purposes can be manufactured from non-conductive materials like thermoplastics, certain composites, or specially formulated insulating elastomers.
- Insulating Sleeve: Some flexible flange couplings may feature an insulating sleeve or barrier between the two flanges. This sleeve prevents direct contact between the flanges and acts as an electrical barrier, ensuring isolation between the shafts.
- Dielectric Strength: When selecting materials for electrical isolation, it is crucial to consider their dielectric strength, which determines the maximum voltage they can withstand without breakdown. The materials chosen should have adequate dielectric strength to suit the application’s electrical requirements.
- Performance Considerations: It is important to note that while achieving electrical isolation, the selected materials should still meet the necessary performance criteria for the specific application. The coupling must retain its ability to transmit torque, accommodate misalignment, and provide damping characteristics as required.
- Environmental Factors: Consideration should also be given to the environmental conditions of the application, such as temperature, humidity, and chemical exposure. The chosen materials should be compatible with the operating environment to ensure long-term reliability.
By carefully selecting appropriate materials and incorporating insulating features, flexible flange couplings can effectively provide electrical isolation between shafts while fulfilling the mechanical and functional requirements of the machinery or equipment. This enables the safe and reliable operation of electrical systems without the risk of electrical currents passing through the coupling and connected components.
Flexibility of Retrofitting Flexible Flange Couplings for Improved Performance
Yes, flexible flange couplings can be retrofitted into existing systems to improve performance. Retrofitting is a cost-effective solution for upgrading older machinery or systems without the need for significant modifications or replacements.
Here are the key points to consider when retrofitting flexible flange couplings:
- Compatibility: Before retrofitting, ensure that the selected flexible flange coupling is compatible with the existing system. Check the dimensions, torque capacity, and other specifications to ensure a proper fit and reliable performance.
- Misalignment Compensation: Flexible flange couplings can accommodate misalignments, making them suitable for retrofitting into systems where misalignments may have occurred over time due to wear and tear or other factors. They can help restore proper alignment and improve system efficiency.
- Vibration Reduction: If the existing system experiences excessive vibrations, retrofitting with flexible flange couplings can help dampen these vibrations and reduce the stress on components, leading to improved overall system performance and reliability.
- Torque Transmission: Flexible flange couplings are designed to transmit high torques, which is beneficial for retrofitting into systems where torque requirements may have increased or changed since the original coupling was installed.
- Installation: Retrofitting should be done carefully and by following the manufacturer’s guidelines. Proper installation ensures that the flexible flange coupling operates as intended and provides the desired performance improvements.
- System Evaluation: Before retrofitting, evaluate the overall system to identify any potential issues that may need to be addressed. Retrofitting with flexible flange couplings can enhance performance, but it’s essential to ensure that other components are in good condition and suitable for continued operation.
Flexible flange couplings offer versatility and adaptability, making them a viable option for retrofitting into various mechanical systems. They can improve the system’s performance, reduce maintenance requirements, and extend the service life of the equipment.
However, it’s advisable to consult with coupling manufacturers or engineering experts to determine the best type and size of flexible flange coupling for the specific retrofitting application. They can provide valuable insights and recommendations to ensure a successful and effective retrofitting process.
Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems
When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:
- Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
- Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
- Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
- Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
- Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
- Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
- Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
- Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
- Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
- Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.
Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.
editor by CX 2024-05-15
China Custom Nhf160 Hydraulic Safety Coupling with Flange flange coupling
Product Description
NHF Hydraulic Safety Coupling With Flange
Description of NHF Hydraulic Safety Coupling With Flange
1.Simple and convenient assembly and disassembly;
2.No keyway and thrust ring are required on the shaft;
3.The stress on the entire contact surface is relatively uniform, and the stress concentration is not obvious;
4.When the vibration load of the shaft system changes, the shaft will not be worn;
5.The position of the coupling on the shaft is easy to ensure, and the connection accuracy is high;
6.Can be used repeatedly, with high interchangeability.
Dimensions of NHF Hydraulic Safety Coupling With Flange
|
|
d |
D |
L |
L1 |
Df |
Dc |
R |
t |
n |
ds |
Mt |
Mass |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
kNm |
kg |
||
|
NHF100 |
100 |
170 |
215 |
40 |
265 |
230 |
9 |
21 |
8 |
19 |
26 |
26 |
|
NHF110 |
110 |
186 |
235 |
45 |
295 |
255 |
10 |
23 |
8 |
21 |
35 |
34 |
|
NHF120 |
120 |
202 |
250 |
50 |
315 |
275 |
11 |
25 |
8 |
23 |
46 |
42 |
|
NHF130 |
130 |
218 |
270 |
55 |
340 |
295 |
11 |
27 |
8 |
25 |
58 |
52 |
|
NHF140 |
140 |
234 |
290 |
60 |
355 |
310 |
12 |
29 |
10 |
24 |
72 |
64 |
|
NHF150 |
150 |
250 |
300 |
60 |
380 |
335 |
13 |
31 |
10 |
26 |
89 |
75 |
|
NHF160 |
160 |
266 |
320 |
65 |
405 |
355 |
14 |
33 |
10 |
28 |
108 |
91 |
|
NHF170 |
170 |
282 |
340 |
70 |
430 |
375 |
15 |
35 |
10 |
30 |
130 |
108 |
|
NHF180 |
180 |
298 |
355 |
75 |
440 |
390 |
15 |
37 |
12 |
29 |
154 |
124 |
|
NHF190 |
190 |
314 |
375 |
80 |
465 |
410 |
16 |
39 |
12 |
30 |
181 |
145 |
|
NHF200 |
200 |
330 |
390 |
80 |
490 |
435 |
17 |
41 |
12 |
32 |
211 |
167 |
|
NHF210 |
210 |
346 |
410 |
85 |
515 |
455 |
18 |
43 |
12 |
33 |
244 |
193 |
|
NHF220 |
220 |
362 |
425 |
90 |
535 |
475 |
19 |
45 |
12 |
35 |
281 |
219 |
|
NHF230 |
230 |
378 |
445 |
95 |
560 |
495 |
19 |
47 |
12 |
37 |
321 |
249 |
|
NHF240 |
240 |
394 |
465 |
100 |
580 |
515 |
20 |
49 |
12 |
38 |
365 |
282 |
|
NHF250 |
250 |
410 |
475 |
100 |
605 |
535 |
21 |
51 |
12 |
40 |
412 |
313 |
|
NHF260 |
260 |
426 |
495 |
105 |
630 |
560 |
22 |
53 |
12 |
42 |
464 |
352 |
|
NHF270 |
270 |
442 |
515 |
110 |
655 |
580 |
23 |
55 |
12 |
43 |
519 |
394 |
|
NHF280 |
280 |
458 |
530 |
115 |
675 |
600 |
23 |
57 |
12 |
45 |
579 |
434 |
|
NHF290 |
290 |
474 |
550 |
120 |
700 |
620 |
24 |
59 |
12 |
46 |
644 |
483 |
|
NHF300 |
300 |
490 |
565 |
120 |
720 |
640 |
25 |
61 |
12 |
48 |
713 |
528 |
|
NHF310 |
310 |
506 |
580 |
125 |
750 |
665 |
26 |
63 |
12 |
50 |
786 |
582 |
|
NHF320 |
320 |
522 |
600 |
130 |
770 |
685 |
27 |
65 |
12 |
51 |
865 |
638 |
|
NHF330 |
330 |
538 |
620 |
135 |
795 |
705 |
27 |
67 |
12 |
53 |
948 |
700 |
|
NHF340 |
340 |
554 |
635 |
140 |
815 |
725 |
28 |
69 |
12 |
54 |
1037 |
759 |
|
NHF350 |
350 |
570 |
650 |
140 |
840 |
745 |
29 |
71 |
12 |
56 |
1131 |
823 |
|
NHF360 |
360 |
586 |
670 |
145 |
835 |
750 |
30 |
73 |
16 |
50 |
1231 |
878 |
|
|
d |
D |
L |
L1 |
Df |
Dc |
R |
t |
n |
ds |
Mt |
Mass |
|
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
kNm |
kg |
||
|
NHF370 |
370 |
602 |
690 |
150 |
855 |
770 |
31 |
75 |
16 |
51 |
1337 |
951 |
|
NHF380 |
380 |
618 |
705 |
155 |
880 |
790 |
31 |
77 |
16 |
53 |
1448 |
1026 |
|
NHF390 |
390 |
634 |
725 |
160 |
900 |
810 |
32 |
79 |
16 |
54 |
1565 |
1108 |
|
NHF400 |
400 |
650 |
740 |
160 |
930 |
835 |
33 |
81 |
16 |
56 |
1689 |
1194 |
|
NHF410 |
410 |
666 |
755 |
165 |
950 |
855 |
34 |
83 |
16 |
57 |
1819 |
1277 |
|
NHF420 |
420 |
682 |
775 |
170 |
975 |
875 |
35 |
85 |
16 |
58 |
1955 |
1376 |
|
NHF430 |
430 |
698 |
795 |
175 |
995 |
895 |
35 |
87 |
16 |
60 |
2098 |
1474 |
|
NHF440 |
440 |
714 |
810 |
180 |
1571 |
915 |
36 |
89 |
16 |
61 |
2248 |
1574 |
|
NHF450 |
450 |
730 |
825 |
180 |
1040 |
935 |
37 |
91 |
16 |
63 |
2405 |
1674 |
|
NHF460 |
460 |
746 |
845 |
185 |
1060 |
955 |
38 |
93 |
16 |
64 |
2569 |
1787 |
|
NHF470 |
470 |
762 |
860 |
190 |
1085 |
975 |
39 |
95 |
16 |
65 |
2740 |
1900 |
|
NHF480 |
480 |
778 |
880 |
195 |
1105 |
995 |
39 |
97 |
16 |
67 |
2918 |
2571 |
|
NHF490 |
490 |
794 |
900 |
200 |
1130 |
1015 |
40 |
99 |
16 |
68 |
3105 |
2156 |
|
NHF500 |
500 |
810 |
910 |
200 |
1150 |
1035 |
41 |
101 |
16 |
70 |
3299 |
2267 |
|
NHF510 |
510 |
826 |
930 |
205 |
1175 |
1055 |
42 |
103 |
16 |
71 |
3501 |
2411 |
|
NHF520 |
520 |
842 |
950 |
210 |
1195 |
1075 |
43 |
105 |
16 |
72 |
3711 |
2554 |
|
NHF530 |
530 |
858 |
965 |
215 |
1220 |
1095 |
43 |
107 |
16 |
74 |
3929 |
2698 |
|
NHF540 |
540 |
874 |
985 |
220 |
1240 |
1115 |
44 |
109 |
16 |
75 |
4155 |
2852 |
|
NHF550 |
550 |
890 |
1000 |
220 |
1270 |
1140 |
45 |
111 |
16 |
77 |
4391 |
3014 |
|
NHF560 |
560 |
906 |
1571 |
225 |
1290 |
1160 |
46 |
113 |
16 |
78 |
4634 |
3180 |
|
NHF570 |
570 |
922 |
1035 |
230 |
1310 |
1180 |
47 |
115 |
16 |
79 |
4887 |
3338 |
|
NHF580 |
580 |
938 |
1055 |
235 |
1335 |
1200 |
47 |
117 |
16 |
81 |
5149 |
3524 |
|
NHF590 |
590 |
954 |
1075 |
240 |
1355 |
1220 |
48 |
119 |
16 |
82 |
5420 |
3708 |
|
NHF600 |
600 |
970 |
1085 |
240 |
1380 |
1240 |
49 |
121 |
16 |
84 |
5700 |
3877 |
|
NHF610 |
610 |
986 |
1105 |
245 |
1400 |
1260 |
50 |
123 |
16 |
85 |
5990 |
4072 |
|
NHF620 |
620 |
1002 |
1125 |
250 |
1425 |
1280 |
51 |
125 |
16 |
86 |
6289 |
4284 |
|
NHF630 |
630 |
1018 |
1140 |
255 |
1445 |
1300 |
51 |
127 |
16 |
88 |
6599 |
4477 |
|
NHF640 |
640 |
1034 |
1160 |
260 |
1465 |
1320 |
52 |
129 |
16 |
89 |
6918 |
4692 |
|
NHF650 |
650 |
1050 |
1175 |
260 |
1495 |
1345 |
53 |
131 |
16 |
91 |
7247 |
4917 |
|
NHF660 |
660 |
1066 |
1190 |
265 |
1515 |
1365 |
54 |
133 |
16 |
92 |
7587 |
5128 |
|
NHF670 |
670 |
1082 |
1210 |
270 |
1540 |
1385 |
55 |
135 |
16 |
93 |
7937 |
5375 |
|
NHF680 |
680 |
1098 |
1230 |
275 |
1560 |
1405 |
55 |
137 |
16 |
95 |
8298 |
5618 |
|
NHF690 |
690 |
1114 |
1245 |
280 |
1585 |
1425 |
56 |
139 |
16 |
96 |
8669 |
5860 |
|
NHF700 |
700 |
1130 |
1260 |
280 |
1605 |
1445 |
57 |
141 |
16 |
98 |
9052 |
6097 |
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Factors to Consider When Choosing a Flange Coupling for a Specific System
When selecting a flange coupling for a specific system, several factors need to be taken into consideration to ensure optimal performance and reliability. Here are the key factors to consider:
- 1. Load and Torque Requirements: Determine the maximum load and torque that the flange coupling will experience in the application. This includes both static and dynamic loads. Select a flange coupling that can handle these loads without exceeding its rated capacity.
- 2. Shaft Diameter: Measure the diameter of the shafts that will be connected by the flange coupling. Ensure that the coupling’s bore size matches the shaft diameter to provide a proper fit and secure connection.
- 3. Misalignment Tolerance: Consider the amount of misalignment that the system may experience during operation. Flange couplings are available in different designs, and some can accommodate higher levels of misalignment than others. Choose a coupling that can handle the expected misalignment to prevent premature wear and stress on the system.
- 4. Operating Speed: Determine the rotational speed of the connected equipment. High-speed applications may require precision balancing and careful selection of materials to prevent issues like resonance and excessive vibration.
- 5. Environmental Conditions: Consider the environmental factors the flange coupling will be exposed to, such as temperature, humidity, dust, and chemicals. Choose a material and coating that can withstand the specific environmental conditions to prevent corrosion and degradation.
- 6. Space Limitations: Evaluate the available space for installing the flange coupling. Some applications may have limited space for coupling installation, requiring compact designs or custom solutions.
- 7. Serviceability: Assess the ease of installation and maintenance of the flange coupling. A coupling that is easy to install and service can reduce downtime and maintenance costs.
- 8. Compatibility: Ensure that the flange coupling is compatible with the equipment and shafts in the system. Consider factors such as keyways, set screws, and other connection methods.
- 9. Material Selection: Choose the appropriate material for the flange coupling based on factors like load, temperature, and corrosion resistance. Common materials include steel, stainless steel, aluminum, and various alloys.
- 10. Cost: Compare the cost of different flange coupling options, considering both the initial investment and long-term maintenance expenses. Balance the cost with the desired performance and reliability.
It is essential to consult with coupling manufacturers or industry experts to ensure the flange coupling’s suitability for the specific application. Properly selecting and installing the right flange coupling can contribute to the efficiency, reliability, and longevity of the connected machinery and system.
Maintenance-Free Flange Couplings
Flange couplings can be designed to be maintenance-free, meaning they require minimal or no regular maintenance throughout their operational life. The key features and options that contribute to maintenance-free flange couplings include:
- Sealed and Lubricated: Some flange couplings are sealed and pre-lubricated with high-performance grease during the manufacturing process. This ensures that the coupling remains properly lubricated over an extended period, eliminating the need for routine lubrication.
- Self-Lubricating Materials: Certain flange couplings are constructed from self-lubricating materials, such as polymers or composites, that provide a low-friction interface between the mating surfaces. This reduces wear and eliminates the need for additional lubrication.
- Maintenance-Free Bearings: Flange couplings with integrated maintenance-free bearings further enhance the overall maintenance-free operation. These bearings are designed to withstand the required loads and provide long-lasting performance without the need for regular lubrication.
- Corrosion-Resistant Materials: Flange couplings made from corrosion-resistant materials, such as stainless steel or coated alloys, can resist environmental factors that might lead to corrosion and premature wear, resulting in extended maintenance intervals.
- Robust Design: A well-engineered flange coupling with a robust design can withstand harsh conditions, shock loads, and other stresses, reducing the likelihood of component failure and the need for maintenance.
It is essential to select a flange coupling that is specifically labeled as “maintenance-free” or “self-lubricating” by the manufacturer to ensure that it meets your maintenance objectives. However, it’s important to note that even maintenance-free flange couplings may still require periodic inspection to check for wear, alignment issues, or other potential problems.
Can Flange Couplings Accommodate High Torque and High-Speed Applications?
Yes, flange couplings are designed to accommodate both high torque and high-speed applications. They are capable of transmitting significant amounts of torque between shafts while maintaining stable and efficient power transmission. The ability to handle high torque and high-speed applications depends on various factors, including the design, material, and size of the flange coupling.
1. Design: Flange couplings are available in different designs, such as rigid flange couplings and flexible flange couplings. Rigid flange couplings are more suitable for applications that require precise shaft alignment and minimal misalignment. On the other hand, flexible flange couplings can accommodate slight misalignments and are suitable for applications where shock or vibration may occur. The design of the coupling is crucial in determining its torque and speed capabilities.
2. Material: Flange couplings are manufactured from various materials, including steel, stainless steel, aluminum, and other alloys. The material selection is essential in determining the coupling’s strength, durability, and resistance to wear and fatigue. High-quality materials are used in flange couplings for high torque and high-speed applications to ensure their reliability and performance.
3. Size and Dimensions: The size and dimensions of the flange coupling play a significant role in determining its torque and speed ratings. Larger flange couplings with increased diameter and thickness can handle higher torque and speed compared to smaller couplings. It is essential to choose the appropriate size of the coupling based on the application’s torque and speed requirements.
4. Surface Finish: The surface finish of the flange coupling is critical, especially in high-speed applications. A smooth surface finish reduces friction and wear between the mating surfaces of the flanges, bolts, and nuts, thereby improving the overall efficiency of the coupling.
5. Lubrication: Proper lubrication is essential for flange couplings in high-speed and high-torque applications. Lubricants help reduce friction and wear, dissipate heat, and prevent premature failure of the coupling components.
6. Manufacturer’s Recommendations: It is crucial to follow the manufacturer’s recommendations and guidelines regarding the maximum torque and speed ratings of the flange coupling. Exceeding the recommended limits can lead to coupling failure and potential damage to the connected equipment.
In conclusion, flange couplings can be effectively used in high torque and high-speed applications when selected and maintained properly. Choosing the right design, material, size, and adhering to the manufacturer’s guidelines ensures that the flange coupling can handle the required torque and rotational speed efficiently and reliably.
editor by CX 2024-05-15
China supplier OEM DN100 Aluminum Storz Hose Coupling with Flange China Factory flange coupling
Product Description
Manufacturer High Quality Aluminum Storz Coupling for Hose Connector
Gravity Casting Aluminum Coupling Hose Tail/ Gravity Casting Aluminum Storz Coupling Hose Tail
Features:
1. Easy disconnect/connect operation without tools;
2. Advanced Machines easy do for clients drawing anytime ;
3. Good abrasion;
4. Fair corrosion and chemical resistance;
5. Economical cost.
Application:
1. Water suction/discharge hoses;
2. Petroleum delivery/suction hoses;
3. Industry hoses;
4. Milling hoses.
| Body material | Aluminum alloy |
| Size | 2″, 3″, 4″ (dn50,dn80,dn100) |
| Standard | MIL-C-27487/ISO A-A-59326; |
| Working pressure | No more than 250psi (depends on size and temperature); |
| MOQ | 200pcs; |
FAQ:
1. What is your term of payment?
A: T/T 30% as deposit, and 70% before delivery. We’ll show you the photos of the products and packages before you pay the balance.
2. How about your delivery time?
A: It usually takes 15 to 30 days, which generally depends on the quantity of your order and our storage.
3. Can I get free samples?
A: Yes, send your address, your telephone number, post code, and express account number to us, and tell us which samples you need and samples specification.
4. Can you produce products with my own brand?
A: Yes, we can offer OEM services.
Our Company:
HangZhou CHINAMFG M&E Co., Ltd. is built in HangZhou China, which is established in 2000. We specialized in manufacturing brass & bronze valves and fittings, water meter accessories and pipe fittings. Our mainly products cover ball valves, angle valves, gate valves, check valves, bib cocks, marine valves, pipe fittings, PPR insert, radiator valves and fittings, camlock and grooved couplings etc.
Nowadays, we are involving in the fields of brass forged, brass investment casting, bronze sand casting, brass/bronze gravity casting etc. Our products are widely used in water and plumbing systems and well recognized in Europe, USA, Middle East and Other Land with competitive price, quality products, and considerate service. Our company passed ISO9001 Certification and CE Approval for our ball valves, and UL approval for our bronze ball valves.
Based on the Spirit “Honesty, Pragmatic, Innovation”, we are proud to own 1 professional team and provided customers competitive prices, quality products with On Time Delivery. Also we have strong OEM and ODM ability for clients to supply various valves and fittings in brass & bronze material for water solution.
HangZhou CHINAMFG M&E Co., Ltd is seeking to be the best cooperator for water plumbing and improve its worth to customers. Please contact us freely to know more details about what we can bring to your sourcing operation.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
How Does a Flange Coupling Handle Angular, Parallel, and Axial Misalignment?
A flange coupling is designed to accommodate various types of misalignment that may occur between two shafts. Here’s how it handles different types of misalignment:
- Angular Misalignment: Flange couplings can handle angular misalignment by allowing a slight flexing or bending of the flexible elements. The coupling’s flexible components, such as elastomeric or metallic elements, can bend and compensate for angular misalignment between the shafts. This flexibility ensures that the coupling can transmit torque smoothly even when the shafts are not perfectly aligned in a straight line.
- Parallel Misalignment: Flange couplings can also accommodate parallel misalignment between the shafts. When the two shafts are slightly offset in a parallel direction, the flexible elements in the coupling can move laterally to accommodate this misalignment. This lateral movement helps prevent excessive forces and wear on the coupling and connected equipment, ensuring efficient power transmission even in slightly misaligned conditions.
- Axial Misalignment: Axial misalignment refers to the situation when two shafts are displaced along their common axis. Flange couplings are not specifically designed to handle large axial misalignment. However, certain types of flange couplings may have limited axial movement capabilities due to the flexibility of their components. In some cases, an additional feature like an end float or sliding flange design may be incorporated to accommodate limited axial movement.
It is important to note that while flange couplings can handle a certain degree of misalignment, excessive misalignment can lead to premature wear and failure of the coupling. Regular maintenance and proper alignment of the shafts are essential to ensure the coupling’s optimal performance and longevity.
Can Flange Couplings Be Used in Food Processing and Pharmaceutical Industries?
Yes, flange couplings can be used in food processing and pharmaceutical industries, provided they meet certain requirements and standards to ensure hygiene and product safety. These industries have stringent regulations and guidelines to prevent contamination and maintain the quality and purity of their products. When selecting flange couplings for such applications, several considerations must be taken into account:
- Material Selection: The flange coupling material must be food-grade or pharmaceutical-grade and comply with industry-specific regulations. Stainless steel, particularly austenitic grades like 316L, is commonly used due to its excellent corrosion resistance and ease of cleaning.
- Hygienic Design: Flange couplings for these industries should have a hygienic design that minimizes crevices, dead spaces, and surface roughness where bacteria or contaminants could accumulate. Smooth surfaces and seamless construction help facilitate thorough cleaning and sterilization.
- Sealing and Lubrication: Proper sealing is essential to prevent any potential leaks or ingress of contaminants. Food-grade or pharmaceutical-grade lubricants should be used to ensure that there is no risk of contamination from the coupling’s lubrication.
- Certifications and Compliance: Flange couplings intended for use in food processing and pharmaceutical industries should have relevant certifications, such as FDA (U.S. Food and Drug Administration) approval, EU regulations (e.g., EC No. 1935/2004), and compliance with industry standards like 3-A Sanitary Standards.
- Cleanability: Flange couplings should be designed for easy disassembly and cleaning to maintain the required hygiene standards. This may involve quick-release or tool-less designs that allow for frequent inspection and cleaning without impeding production processes.
- Resistant to Corrosive Cleaning Agents: In food processing and pharmaceutical industries, aggressive cleaning agents may be used. The flange coupling material should be resistant to these substances to avoid degradation and maintain the coupling’s integrity over time.
By meeting these criteria, flange couplings can be safely used in food processing and pharmaceutical applications without compromising product quality or safety. It is crucial to work with reputable manufacturers or suppliers who understand the specific requirements of these industries and can provide couplings that adhere to the necessary standards.
Advantages of Flange Couplings in Mechanical Systems
Flange couplings offer several advantages in mechanical systems, making them a popular choice for connecting shafts in various applications:
- High Torque Transmission: Flange couplings provide a rigid and secure connection between shafts, allowing for efficient transmission of high torque without slippage or power loss.
- Precise Alignment: Proper alignment of flange couplings ensures that the connected shafts are in perfect axial alignment, reducing the risk of excessive bearing loads and increasing the longevity of the machinery.
- Zero Backlash: Flange couplings have no play or free movement between the shafts, resulting in immediate torque transmission and precise motion control, especially in applications requiring precise positioning.
- Robust and Durable: Flange couplings are typically made from high-quality materials such as steel, cast iron, or aluminum, providing excellent durability and resistance to wear and corrosion.
- Wide Range of Sizes and Torque Capacities: Flange couplings are available in various sizes and configurations, allowing them to be used in a wide range of applications with different torque requirements.
- Simple Installation: Installing flange couplings is relatively straightforward, requiring alignment and fastening of the flanges with bolts and nuts.
- Wide Application Range: Flange couplings are used in various industries, including heavy machinery, pumps, compressors, marine propulsion, and power generation equipment.
- Suitable for High-Speed Applications: Flange couplings can handle high rotational speeds, making them suitable for applications requiring high-speed power transmission.
- Minimal Maintenance: Once properly installed, flange couplings require minimal maintenance, reducing downtime and operational costs.
Despite their advantages, flange couplings also have some limitations. They lack the ability to compensate for misalignment like flexible couplings, which can lead to increased stress on bearings and other components if not correctly aligned. Additionally, the rigid nature of flange couplings means they may not be suitable for applications where shaft misalignment is common or where shock and vibration absorption is required.
Overall, flange couplings are a reliable and robust choice for mechanical systems, particularly in applications demanding high torque transmission and precise shaft alignment. Proper installation and maintenance are crucial to ensure optimal performance and longevity of both the coupling and the connected machinery.
editor by CX 2024-05-14
China Professional Flexible Universal Range Coupling Flange Adaptor ISO9001 Pipe Fitting flange coupling
Product Description
UNIVERSAL COUPLING
APPLICATION
Universal coupling is also called wide range coupling, tolerance range coupling .
It can fit most standard pipe materials and therefore dramatically reduces the stocks of dedicated couplings
It is suitable for steel , GRP, PVC, PE, Ductile Iron , Cast Iron and Asbestors Cement pipes.
Size from DN40-DN2000
PRESSURE
PN10, PN16, PN25. Flange according to ISO2531/ EN545,/EN1092
MATERIAL
FAQ
1.Q: Are you manufacture or trade company?
A: We are a manufacturer factory and we also have our own exporting license.
2.Q: Can I get free samples?
A: Yes, we can provide you the free samples, but you need to bear their own delivery costs.
3.Q: Can I have my own Logo on the product?
A: Yes, you can send us your drawing and we can make your logo, but you have to bear their own the cost.
4.Q: Can you produce the products according to my own drawings?
A: Yes, we can produce the products according to your drawings that will be most satisfy you.
5.Q: Can I request to change the form of packaging and transportation?
A: Sure, we’re glad to fulfill your requirement. Yet please understand that extra costs may occur if the form of packaging and transportation are changed.
6.Q: Why trust in us ?
AMore than 20 years in this industry . It makes us professional .Good credit in this market. All of our machines are the assurance of our responsibility.
7. More questions please feel free to contact us.
/* January 22, 2571 19:08:37 */!function(){function s(e,r){var a,o={};try{e&&e.split(“,”).forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1
Torque and Speed Ratings of Flange Couplings
Flange couplings are available in various sizes and designs to accommodate a wide range of torque and rotational speed requirements. The torque and speed ratings of flange couplings depend on several factors, including their size, material, and design.
Torque Rating:
The torque rating of a flange coupling indicates the maximum amount of torque it can transmit without experiencing failure or damage. It is typically specified in Nm (Newton-meters) or lb-ft (pound-feet). The torque rating varies for different sizes and types of flange couplings. Larger flange couplings generally have higher torque ratings compared to smaller ones.
Speed Rating:
The speed rating of a flange coupling represents the maximum rotational speed at which it can operate reliably without excessive vibration or wear. It is typically expressed in RPM (revolutions per minute). The speed rating is influenced by factors such as the design, material, and balancing of the flange coupling. Higher-speed applications require flange couplings that can handle the increased centrifugal forces and dynamic loads associated with higher RPMs.
Size and Type:
The torque and speed ratings vary for different sizes and types of flange couplings. For example:
- Smaller flange couplings, such as those used in light-duty applications, may have torque ratings ranging from a few Nm to several hundred Nm, and speed ratings up to a few thousand RPM.
- Larger flange couplings, used in heavy-duty industrial applications, can have torque ratings exceeding several thousand Nm and speed ratings that may reach tens of thousands of RPM.
- Flexible flange couplings may have slightly lower torque ratings compared to rigid flange couplings but offer greater misalignment compensation.
Manufacturer Specifications:
It is essential to refer to the manufacturer’s specifications and technical data to determine the specific torque and speed ratings for each size and type of flange coupling. Manufacturers typically provide detailed performance data to help users select the appropriate flange coupling for their specific application.
Application Considerations:
When selecting a flange coupling, it is crucial to consider the torque and speed requirements of the application. The operating conditions, such as load fluctuations and thermal effects, should also be taken into account to ensure the flange coupling’s reliable performance and longevity.
Conclusion:
Flange couplings come in various sizes and designs, each with its own torque and speed ratings. Properly selecting a flange coupling that meets the specific torque and speed requirements of the application is essential to ensure efficient and trouble-free power transmission in mechanical systems.
Flange Couplings and Variable Operating Conditions
Flange couplings are designed to accommodate a wide range of operating conditions and loads, making them versatile and suitable for various applications. The key factors that enable flange couplings to handle variable operating conditions and loads include:
- Flexible Design: Some flange couplings, such as flexible flange couplings or disc couplings, are designed to have some degree of flexibility. This flexibility allows them to compensate for misalignment between shafts, which is often encountered in real-world applications.
- Material Selection: Flange couplings are available in different materials to suit specific operating conditions. For example, stainless steel flange couplings are ideal for corrosive environments, while high-strength steel couplings are suitable for heavy-duty applications.
- Customization: Many flange coupling manufacturers offer customization options to tailor the coupling’s design to meet specific requirements. This may include modifying the coupling’s size, material, or torque capacity.
- Load Distribution: Flange couplings are designed to distribute loads evenly between the connected shafts. This even distribution of load helps prevent premature wear and reduces stress on the shafts and other connected equipment.
- High Torque Capacity: Flange couplings are available in various designs, including those suitable for high torque applications. This allows them to handle varying levels of torque without compromising performance.
- Temperature and Environmental Resistance: Flange couplings made from appropriate materials can withstand a wide range of temperatures and environmental conditions, making them suitable for both indoor and outdoor applications.
It is essential to consider the specific requirements of your application and the potential variations in operating conditions and loads when selecting a flange coupling. This ensures that the chosen coupling can reliably and efficiently transmit power while accommodating any changes in the operating environment.
Are There Any Safety Considerations When Using Flange Couplings in Rotating Machinery?
Yes, there are several safety considerations to keep in mind when using flange couplings in rotating machinery. Flange couplings are an essential component in many industrial applications, but their use in rotating machinery can present certain hazards that need to be addressed. Below are the key safety considerations:
1. Guarding: It is crucial to have appropriate guarding around the flange coupling to prevent accidental contact with rotating parts. Guards should be designed and installed to prevent access to the coupling during operation and maintenance, reducing the risk of entanglement or other accidents.
2. Lockout/Tagout Procedures: Before performing any maintenance or inspection on machinery with flange couplings, lockout/tagout procedures must be followed. This ensures that the equipment is isolated from its power source and cannot be accidentally energized while personnel are working on it.
3. Proper Installation and Alignment: Flange couplings should be correctly installed and aligned according to the manufacturer’s guidelines. Improper installation can lead to misalignment, increased vibrations, and potential coupling failure, which may pose safety risks to personnel and equipment.
4. Material Compatibility: Ensure that the material used for the flange coupling is suitable for the specific application, taking into account factors such as the type of fluid or environment the coupling will be exposed to. Incompatible materials may lead to corrosion or mechanical failure, affecting safety.
5. Regular Inspection and Maintenance: Scheduled inspections and maintenance are crucial to detect any signs of wear, damage, or misalignment in the flange coupling. Addressing issues promptly can prevent unexpected failures and reduce the risk of accidents.
6. Load Capacity: Flange couplings should be selected based on the anticipated load and torque requirements of the application. Using a coupling with inadequate load capacity may lead to premature failure and safety hazards.
7. Training and Awareness: Personnel working with rotating machinery and flange couplings should receive appropriate training on safety procedures and potential hazards. Awareness of safe working practices is essential for preventing accidents and injuries.
8. Temperature and Environment: Consider the operating temperature and environmental conditions when selecting a flange coupling. Extreme temperatures or harsh environments may affect the coupling’s performance and safety.
9. Emergency Stop Procedures: Machinery with flange couplings should have emergency stop procedures in place to quickly shut down the equipment in case of an emergency or abnormal operation.
10. Compliance with Regulations: Ensure that the use of flange couplings complies with relevant safety regulations and industry standards.
By addressing these safety considerations, users can minimize the risks associated with flange couplings in rotating machinery and create a safer working environment for personnel and equipment.
editor by CX 2024-05-14
China high quality FCL Flange Flexible Coupling
Product Description
SC Transmission FCL Flange Flexible Coupling
Product Description
CHARACTERISTICS
FCL Coupling Flange Coupling has simple construction that makes it:
Easy to assemble and disassemble, easy parts replacement.
It is able to transmits power smoothly even under vibration and shock due to its ability to absorb shock and load vibration.
It is also able to transmit power under parallel and angular misalignment, and end-floating.
Smooth running.
Permit reverse revolution.
Full range available from Size 90 to 630
Applications
SC Transmission flange flexible coupling has a wide range of applications: pump, blower, compressor, conveyor, crane & hoist, cement mixer, tractor, rolling mill, metal processing machine, spinning and weaving machinery etc.
Product Parameters
| SIZE | D | D1 | d1 | L | C | n-M | kg | |||
| r/min | ||||||||||
| N.m | ||||||||||
| FCL90 | 4 | 4000 | 90 | 35.5 | 11 | 28 | 3 | 4-M8 | 1.7 | |
| FCL100 | 10 | 4000 | 100 | 40 | 11 | 35.5 | 3 | 4-M10 | 2.3 | |
| FCL112 | 16 | 4000 | 112 | 45 | 13 | 40 | 3 | 4-M10 | 2.8 | |
| FCL125 | 25 | 4000 | 125 | 65 | 50 | 13 | 45 | 3 | 4-M12 | 4 |
| FCL140 | 50 | 4000 | 140 | 71 | 63 | 13 | 50 | 3 | 6-M12 | 5.4 |
| FCL160 | 110 | 4000 | 160 | 80 | 15 | 56 | 3 | 8-M12 | 8 | |
| FCL180 | 157 | 3500 | 180 | 90 | 15 | 63 | 3 | 8-M12 | 10.5 | |
| FCL200 | 245 | 3200 | 200 | 100 | 21 | 71 | 4 | 8-M20 | 16.2 | |
| FCL224 | 392 | 2850 | 224 | 112 | 21 | 80 | 4 | 8-M20 | 21.3 | |
| FCL250 | 618 | 2550 | 250 | 125 | 25 | 90 | 4 | 8-M24 | 31.6 | |
| FCL280 | 980 | 2300 | 280 | 140 | 34 | 100 | 4 | 8-M24 | 44 | |
| FCL315 | 1568 | 2050 | 315 | 160 | 41 | 112 | 4 | 10-M24 | 57.7 | |
| FCL355 | 2450 | 1800 | 355 | 180 | 60 | 125 | 5 | 8-M30 | 89.5 | |
| FCL400 | 3920 | 1600 | 400 | 200 | 60 | 125 | 5 | 10-M30 | 113 | |
| FCL450 | 6174 | 1400 | 450 | 224 | 65 | 140 | 5 | 12-M30 | 145 | |
| FCL560 | 9800 | 1150 | 560 | 250 | 85 | 160 | 5 | 14-M30 | 229 | |
| FCL630 | 15680 | 1000 | 630 | 280 | 95 | 180 | 5 | 18-M30 | 296 | |
Company Profile
FAQ
Shipping
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Use of Flexible Flange Couplings in Applications Requiring Electrical Isolation
Yes, flexible flange couplings can be used in applications requiring electrical isolation between shafts. In certain industrial scenarios, it is essential to electrically isolate the connected equipment or shafts to prevent the flow of electrical current between them. This requirement is common in applications involving sensitive electronic components, motors, generators, or systems where grounding issues need to be avoided.
To achieve electrical isolation, flexible flange couplings can be designed using non-conductive or insulating materials. Some key considerations for using flexible flange couplings in such applications are as follows:
- Material Selection: Instead of metallic materials commonly used in standard couplings, such as steel or aluminum, the flexible flange couplings for electrical isolation purposes can be manufactured from non-conductive materials like thermoplastics, certain composites, or specially formulated insulating elastomers.
- Insulating Sleeve: Some flexible flange couplings may feature an insulating sleeve or barrier between the two flanges. This sleeve prevents direct contact between the flanges and acts as an electrical barrier, ensuring isolation between the shafts.
- Dielectric Strength: When selecting materials for electrical isolation, it is crucial to consider their dielectric strength, which determines the maximum voltage they can withstand without breakdown. The materials chosen should have adequate dielectric strength to suit the application’s electrical requirements.
- Performance Considerations: It is important to note that while achieving electrical isolation, the selected materials should still meet the necessary performance criteria for the specific application. The coupling must retain its ability to transmit torque, accommodate misalignment, and provide damping characteristics as required.
- Environmental Factors: Consideration should also be given to the environmental conditions of the application, such as temperature, humidity, and chemical exposure. The chosen materials should be compatible with the operating environment to ensure long-term reliability.
By carefully selecting appropriate materials and incorporating insulating features, flexible flange couplings can effectively provide electrical isolation between shafts while fulfilling the mechanical and functional requirements of the machinery or equipment. This enables the safe and reliable operation of electrical systems without the risk of electrical currents passing through the coupling and connected components.
Where to Find Reputable Suppliers or Manufacturers of Flexible Flange Couplings for Your Specific Power Transmission Needs?
When looking for reputable suppliers or manufacturers of flexible flange couplings, consider the following steps:
- Online Research: Start by conducting online research to identify companies that specialize in power transmission components, including flexible flange couplings. Look for manufacturers with a strong reputation, positive customer reviews, and a history of delivering high-quality products.
- Industry Directories: Industry-specific directories and trade publications often feature listings of suppliers and manufacturers. These directories can be a valuable resource to find companies that offer flexible flange couplings tailored to your industry’s needs.
- Trade Shows and Exhibitions: Attend trade shows and exhibitions related to power transmission, where you can meet suppliers in person, examine product samples, and discuss your specific requirements.
- Referrals and Recommendations: Seek referrals or recommendations from industry peers, colleagues, or professionals who have experience with flexible flange couplings. Their insights can lead you to reliable suppliers.
- Supplier Websites: Visit the websites of potential suppliers to gather detailed information about their products, manufacturing processes, certifications, and capabilities. Look for suppliers with a comprehensive product range and customization options.
- Quality and Certifications: Verify if the supplier follows industry standards and has relevant certifications such as ISO, ASME, or API. These certifications demonstrate their commitment to quality and compliance.
- Technical Support: Evaluate the technical support and customer service provided by the supplier. A reliable supplier should be responsive to your queries, offer guidance on selecting the right coupling, and provide after-sales support.
- Sample and Testing: Request samples of the flexible flange couplings to evaluate their quality and suitability for your application. Some suppliers may also offer testing services to validate the performance of their products.
- Price and Delivery: Obtain quotes from multiple suppliers to compare prices, delivery times, and shipping costs. However, prioritize quality and reliability over cost alone.
By following these steps, you can find reputable suppliers or manufacturers that can meet your specific power transmission needs with high-quality flexible flange couplings. Remember to conduct thorough research and consider factors beyond price to ensure you choose a supplier that can provide durable and efficient couplings for your application.
Working Principle of a Flexible Flange Coupling and its Advantages
A flexible flange coupling is designed to connect two shafts in a mechanical system while compensating for misalignment and torsional vibrations. It consists of two flanges, one on each shaft, connected by a flexible element in between.
Working Principle: When torque is transmitted through the coupling, the flexible element allows for slight angular, parallel, and axial misalignment between the shafts. This flexibility is crucial in cases where perfect alignment is difficult to achieve or maintain during operation. The coupling’s design and materials enable it to handle the relative movement between the shafts while transmitting torque smoothly.
The flexible element can be made of various materials, such as elastomers, metals, or composite materials. Elastomeric materials like rubber or polyurethane offer excellent vibration damping properties, while metallic elements provide higher torque transmission capabilities.
Advantages of Flexible Flange Couplings:
- Misalignment Compensation: Flexible flange couplings can accommodate both angular and parallel misalignment, as well as a combination of both. This capability helps to reduce stress on the connected machinery and prevents premature wear.
- Vibration Damping: Couplings with elastomeric elements act as effective vibration dampers, reducing resonance and minimizing vibrations that can damage the equipment.
- Torsional Compliance: The flexibility of the coupling allows it to absorb torsional vibrations, preventing shocks from being transmitted through the system.
- Easy Installation: Flexible flange couplings are relatively easy to install, and they do not require precise alignment during assembly, saving time and effort in the setup process.
- High Torque Transmission: Couplings with metallic elements can handle high torque loads, making them suitable for heavy-duty applications.
- Compact Design: The compact design of flexible flange couplings allows them to be used in limited spaces where other coupling types might not fit.
- Low Maintenance: In general, these couplings have low maintenance requirements, contributing to reduced downtime and operational costs.
Conclusion: Flexible flange couplings offer a versatile and efficient solution for connecting rotating shafts in various mechanical systems. Their ability to compensate for misalignment, dampen vibrations, and transmit torque reliably makes them well-suited for a wide range of industrial applications. When selecting a coupling, it’s crucial to consider the specific requirements of the machinery and the operating conditions to ensure optimal performance and longevity.
editor by CX 2024-05-13
China Professional Customized Stainless Steel/Carbon Steel/Steel Lost Wax Casting/Precision Casting Steel Pipe Fitting/Base/Cap/Washer/Bracket/Flange/Coupling with Thread flange coupling
Product Description
- Customized Stainless Steel/Carbon Steel/steel Lost Wax Casting/precision casting steel pipe fitting/base/cap/washer/bracket/flange/coupling with thread
- Material:
Stainless Steel: JIS SCS1, SCS2, SCS13, SCS13L, SCS14, SCS14L/ DIN G-X7Cr13, G-X20Cr14, G-X6CrNi18 9, G-X6CrNiMo18 10, 1.3955, 1.4308, 1.4408, 1.4581 / ASTM/AISI CA-15, CA-40, CF-3/304L, CF-3M/316L, CF-8/304, CF-8M/316, etc Carbon Steel: JIS SC450, SCC5 / DIN GS-45, GS-60 / ASTM WCB, 450-240, 80-40, etc Alloy Steel: JIS SCW480, SCSiMn2, SCCrMn3 / DIN GS-20Mn5, GS-37MnSi5, GS-34CrMo4, etc Heat Resistance Steel: JIS SCH13, SCH21, SCH24/ DIN G-X15CrNiSi25 20 1.4840,G-X45CrNiSi35 25 1.4857 / ASTM HN, HK30, HK, HK40, HHM HP, HT Bronze or Copper: JIS BC6, ALBC6, etc Other materials Carbon Steel, Alloy Steel, Hight Manganese Steel, Tool steel, Heat-resistant Steel, Al-Si Alloy, etc also available according to customer’s request.
- Required documents for offer to be provided by customer:
Drawings with formats of IGS (3D), DWG or DXF (Auto CAD 2D), PDF, JPG
Standard of material (Preferable to provide Element Percentage of C, Si, Mn, P, S, etc and Physical/Machanical Properties of the material)
Technical requirements
Unit Weight of Rough Casting
Production technology: Lost-wax casting/investment casting
- Main production equipment:
Vertical wax-injectors
Sand glueing tanks
Wax-evaporator
Intermediate frequency electrical induction furnaces
Spectrum analyzer
Shot blast machines
Heat treatment furnaces
Heat treatment water tank
Acid solution and water cleaning tank
Buffing / polishing machines / Electrical polishing
- Unit weight: 1.2g~80,000g per piece
- Other details:
Taper hole, deep hole, bent hole D>Ø2mm L=1D
Minimum outside radius R0.3mm, minimum inside radius R0.5mm
Minimum thickness of 1.5mm, some parts with minimum thickness of 0.8mm
- Tolerance of dimension for cast:
Dimension Range (mm) Common Tolerance Special Tolerance < 25 +/- 0.25 mm +/- 0.13 mm 25 ~ 50 +/- 0.40 mm +/- 0.25 mm 50 ~ 100 +/- 0.80 mm +/- 0.50 mm > 100 +/- 1 % +/- 0.5 % - Minimum order: No limit
- Delivery: Within 30 working days after signing of contract and confirmation of samples by client
- Technological process:
- Workshop:
- Some Products:
- Testing equipments:
- Shipments:
- Company information:
- Certifications:
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Proper Installation and Alignment of Flange Couplings
Installing and aligning a flange coupling properly is crucial to ensure its optimal performance and to prevent premature wear or failure. Here are the steps to follow for a successful installation:
- Prepare the Components: Before starting the installation, ensure that all the components, including the flange coupling, shafts, and fasteners, are clean and free from dirt or debris. Inspect the coupling for any visible damage or defects.
- Check Shaft Alignment: Verify the alignment of the shafts before installing the flange coupling. Misalignment can lead to increased stresses on the coupling and other connected equipment.
- Use Proper Lubrication: Apply the recommended lubricant to the contact surfaces of the flange coupling. Proper lubrication reduces friction and wear, enhancing the coupling’s lifespan.
- Align the Flange Coupling: Position the flange coupling between the shafts and ensure that the bolt holes are aligned with the corresponding holes in the shafts.
- Insert Fasteners: Insert the bolts or screws through the bolt holes and hand-tighten them. Avoid fully tightening any fasteners at this stage.
- Check Runout: Measure the runout of the coupling during rotation to verify that it is within acceptable limits. Excessive runout indicates a misaligned coupling.
- Properly Torque Fasteners: Using a torque wrench, tighten the fasteners in a cross-pattern to the manufacturer’s recommended torque values. This ensures even distribution of the load and prevents distortion of the flange coupling.
- Recheck Alignment: After torquing the fasteners, recheck the shaft alignment to ensure it has not shifted during the tightening process.
- Inspect the Assembly: Conduct a final visual inspection of the installed flange coupling and surrounding components to verify that everything is properly aligned and secured.
- Perform Test Run: Run the equipment with the newly installed flange coupling under no-load conditions initially to check for any unusual vibrations or noises.
- Monitor Performance: During the initial operation and throughout regular use, monitor the flange coupling’s performance and check for signs of wear, misalignment, or other issues.
Professional Installation: If you are unsure about the installation process or need to install a flange coupling in a complex system, consider seeking assistance from a qualified professional or coupling manufacturer’s technical support team. Proper installation is essential for ensuring the long-term reliability and performance of the flange coupling and the connected equipment.
What Role Does a Flange Coupling Play in Minimizing Wear and Tear on Connected Components?
A flange coupling plays a critical role in minimizing wear and tear on connected components in rotating machinery. It accomplishes this by effectively transmitting torque between two shafts while accommodating misalignment and reducing the transmission of shock and vibration. Here’s how a flange coupling achieves these benefits:
- Misalignment Compensation: Flange couplings are designed to accommodate both angular and parallel misalignment between the shafts they connect. As machinery operates, shafts may experience slight misalignment due to thermal expansion, manufacturing tolerances, or other factors. The flexible nature of certain flange coupling designs allows them to compensate for these misalignments, preventing excessive stress on connected components that could lead to wear.
- Shock and Vibration Damping: Flange couplings help dampen shock and vibration during machinery operation. When a machine experiences sudden impacts or vibrations, the flexibility of some flange coupling types absorbs and disperses these forces. By reducing the transfer of shocks and vibrations to the connected components, flange couplings protect the machinery from excessive stress and premature wear.
- Smooth Torque Transmission: Flange couplings provide a smooth and reliable means of transmitting torque from one shaft to another. The secure connection between the two shafts ensures that torque is efficiently transmitted without slippage or sudden jolts. This smooth torque transmission helps prevent unnecessary wear on the shafts and other connected components.
- Reduced Maintenance: By minimizing wear and tear on connected components, flange couplings contribute to reduced maintenance requirements. When components experience less stress and wear, their lifespan is extended, resulting in fewer maintenance interventions and decreased downtime for repairs or replacements.
- Protection Against Overloads: In cases of sudden overloads or torque spikes, flange couplings can act as a safety feature by allowing some degree of slippage or disengagement. This protects the connected machinery from potential damage caused by excessive loads.
In summary, a flange coupling’s ability to compensate for misalignment, dampen shocks and vibrations, provide smooth torque transmission, and protect against overloads makes it a crucial component in minimizing wear and tear on connected machinery. By choosing the appropriate flange coupling design for a specific application, engineers can enhance the reliability and longevity of the entire system while reducing maintenance and downtime costs.
Are There Any Safety Considerations When Using Flange Couplings in Rotating Machinery?
Yes, there are several safety considerations to keep in mind when using flange couplings in rotating machinery. Flange couplings are an essential component in many industrial applications, but their use in rotating machinery can present certain hazards that need to be addressed. Below are the key safety considerations:
1. Guarding: It is crucial to have appropriate guarding around the flange coupling to prevent accidental contact with rotating parts. Guards should be designed and installed to prevent access to the coupling during operation and maintenance, reducing the risk of entanglement or other accidents.
2. Lockout/Tagout Procedures: Before performing any maintenance or inspection on machinery with flange couplings, lockout/tagout procedures must be followed. This ensures that the equipment is isolated from its power source and cannot be accidentally energized while personnel are working on it.
3. Proper Installation and Alignment: Flange couplings should be correctly installed and aligned according to the manufacturer’s guidelines. Improper installation can lead to misalignment, increased vibrations, and potential coupling failure, which may pose safety risks to personnel and equipment.
4. Material Compatibility: Ensure that the material used for the flange coupling is suitable for the specific application, taking into account factors such as the type of fluid or environment the coupling will be exposed to. Incompatible materials may lead to corrosion or mechanical failure, affecting safety.
5. Regular Inspection and Maintenance: Scheduled inspections and maintenance are crucial to detect any signs of wear, damage, or misalignment in the flange coupling. Addressing issues promptly can prevent unexpected failures and reduce the risk of accidents.
6. Load Capacity: Flange couplings should be selected based on the anticipated load and torque requirements of the application. Using a coupling with inadequate load capacity may lead to premature failure and safety hazards.
7. Training and Awareness: Personnel working with rotating machinery and flange couplings should receive appropriate training on safety procedures and potential hazards. Awareness of safe working practices is essential for preventing accidents and injuries.
8. Temperature and Environment: Consider the operating temperature and environmental conditions when selecting a flange coupling. Extreme temperatures or harsh environments may affect the coupling’s performance and safety.
9. Emergency Stop Procedures: Machinery with flange couplings should have emergency stop procedures in place to quickly shut down the equipment in case of an emergency or abnormal operation.
10. Compliance with Regulations: Ensure that the use of flange couplings complies with relevant safety regulations and industry standards.
By addressing these safety considerations, users can minimize the risks associated with flange couplings in rotating machinery and create a safer working environment for personnel and equipment.
editor by CX 2024-05-13
China Hot selling Flexible Exhaust Pipe Coupling with Flange for Auto Repair
Product Description
truck chrome exhaust pipe, hot sale truck exhaust pipe
We are the top 10 leading brand.We have 24 years of exhaust system and industrial pipe.
Founded in 1992 and experienced in the field of exhaust system and industrial pipe for 24 years.
We have large capacity, over 200000pcs/month.
Management system certification:ISO9001.ISO14001.TSI16949.
We have our own technical and mould deparmtent, ready for any customized products.
Sales network expands from over domestic sales to all over the world.
we have all kinds of products can be adapt any environment. you can choose which 1 is suitable to your products. pls tell us about your requirements,we will reply you immediately, looking CHINAMFG to hearing from you.
The Main Size for type A,B and C
| NDMINAL LINSIDE DIAMETER I.D |
OVERALLLENGTH O/L |
OVERALLLENGTH O/L | OVERALLLENGTHO/L | NOMINAL INSIDE DIAMETER I.D |
OVERALLLENGTH O/L | |
| 1-3/4 ” (45mm) | 4 ” (102mm) | 2-1/2 “(63.5mm) | 4 ” (102mm) | 43mm | 120mm | |
| 6 ” (152mm) | 6 ” (152mm) | 165mm | ||||
| 8 ” (203mm) | 8 ” (203mm) | 180mm | ||||
| 9 ” (230mm) | 9 ” (230mm) | 50mm(52mm) | 120mm | |||
| 10 ” (254mm) | 10 ” (254mm) | 165mm | ||||
| 11 ” (280mm) | 11 ” (280mm) | 54.5mm | 120mm | |||
| 2″(51mm) | 12 ” (305mm) | 12 ” (305mm) | 150mm | |||
| 4 ” (102mm) | 3 “(76.2mm) | 4 ” (102mm) | 180mm | |||
| 6 ” (152mm) | 6 ” (152mm) | 200mm | ||||
| 8 ” (203mm) | 8 ” (203mm) | 250mm | ||||
| 9 ” (230mm) | 10 ” (254mm) | 60mm(61mm) | 160mm | |||
| 10 ” (254mm) | 12 ” (305mm) | 200mm | ||||
| 2-1/4 ” (57.2mm) | 11 ” (280mm) | 6 ” (152mm) | 240mm | |||
| 12 ” (305mm) | 3-1/2″ (89mm) | 8 ” (203mm) | 65mm | 150mm | ||
| 4 ” (102mm) | 10 ” (254mm) | 200mm | ||||
| 6 ” (152mm) | 12 ” (305mm) | 70mm | 100m | |||
| 8 ” (203mm) | 4″ (102mm) | 8 ” (203mm) | 120mm | |||
| 9 ” (230mm) | 10 ” (254mm) | 150mm | ||||
| 10 ” (254mm) | 12 ” (305mm) | 200mm | ||||
| 11 ” (280mm) | Other sizes are available,ID32,ID36,ID38,ID40,ID46,ID48,ID115,ID125etc | |||||
| 12 ” (305mm) | ||||||
Our company
ZheJiang YueDing company produce quality products and work to provide constant communication with our clients. Our dedication to CHINAMFG allows us to be a stable solution in the marketplace with a quick lead time. We primarily focus on exhaust pipes, including metal hoses and other pipes that are used within the automotive industry . We have designers, engineers, and others who are involved in the process of manufacturing parts. We explore the top materials to use as well as continuously add more technology and innovation to produce higher quality parts. Flexible Exhaust Pipe
Exhibitions
Every year we john 4-5 oversea fairs to meet our customers.What we show is our ability, and what you feel will be our profession . We take the time to answer questions and ensure that our clients understand all there is to know about our products. Further, we work with all of our clients to help find the right products that will meet both needs and budget. We work hard to provide good customer service and ensure that it is never just about sales, but about building a relationship.
Our customers
As a reliable partner and CHINAMFG supplier, we offer advanced products and have large stock. Our product are sold to many country,have been exported to North America,Western Europe,Southeast Asia,South America,Northern Europe,Mid East,Southern Europe,Africa and many other countries. We would like to cooperate with global customers and make the good protection project in world market.
Work shop
ZheJiang YueDing Company have a production team of hundreds of individuals who work hard to create high quality items that are meant to last. Durability is a top focus and our employees have been trained to ensure they know exactly what needs to be done to produce all of the products that we have available. We take pride in our work and so does each and every 1 of the employees within our Production Department.
Certification
FAQ
1. Q: How about the payment terms?
Normally 30% deposit in advance. It can be discussed when we have friendly relationship.
2. How about Delivery time?
We can produce 200,000 pcs per month, large capacity. Normally, 15 days.
3. Q : What’s the price?
Reasonable price, competitive price, and acceptable prices, which are all based on good quality.
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Use of Flexible Flange Couplings in Applications Requiring Electrical Isolation
Yes, flexible flange couplings can be used in applications requiring electrical isolation between shafts. In certain industrial scenarios, it is essential to electrically isolate the connected equipment or shafts to prevent the flow of electrical current between them. This requirement is common in applications involving sensitive electronic components, motors, generators, or systems where grounding issues need to be avoided.
To achieve electrical isolation, flexible flange couplings can be designed using non-conductive or insulating materials. Some key considerations for using flexible flange couplings in such applications are as follows:
- Material Selection: Instead of metallic materials commonly used in standard couplings, such as steel or aluminum, the flexible flange couplings for electrical isolation purposes can be manufactured from non-conductive materials like thermoplastics, certain composites, or specially formulated insulating elastomers.
- Insulating Sleeve: Some flexible flange couplings may feature an insulating sleeve or barrier between the two flanges. This sleeve prevents direct contact between the flanges and acts as an electrical barrier, ensuring isolation between the shafts.
- Dielectric Strength: When selecting materials for electrical isolation, it is crucial to consider their dielectric strength, which determines the maximum voltage they can withstand without breakdown. The materials chosen should have adequate dielectric strength to suit the application’s electrical requirements.
- Performance Considerations: It is important to note that while achieving electrical isolation, the selected materials should still meet the necessary performance criteria for the specific application. The coupling must retain its ability to transmit torque, accommodate misalignment, and provide damping characteristics as required.
- Environmental Factors: Consideration should also be given to the environmental conditions of the application, such as temperature, humidity, and chemical exposure. The chosen materials should be compatible with the operating environment to ensure long-term reliability.
By carefully selecting appropriate materials and incorporating insulating features, flexible flange couplings can effectively provide electrical isolation between shafts while fulfilling the mechanical and functional requirements of the machinery or equipment. This enables the safe and reliable operation of electrical systems without the risk of electrical currents passing through the coupling and connected components.
Flexible Flange Couplings for Pumps, Compressors, and Marine Propulsion Systems
Yes, flexible flange couplings are suitable for use in pumps, compressors, and marine propulsion systems. These couplings offer several advantages that make them well-suited for such applications:
- Misalignment Tolerance: Pumps, compressors, and marine propulsion systems often experience misalignments due to thermal expansion, vibration, or other factors. Flexible flange couplings can accommodate both angular and axial misalignments, ensuring smooth operation and reducing stress on the connected equipment.
- Vibration Damping: These coupling types are designed to dampen vibrations, which is crucial in pump and compressor applications where excessive vibration can lead to equipment damage and premature wear. The vibration damping properties help improve the overall system’s reliability and reduce maintenance requirements.
- High Torque Transmission: Pumps, compressors, and marine propulsion systems often require high torque transmission to handle heavy loads and provide efficient power transfer. Flexible flange couplings are capable of transmitting high torques, making them suitable for these demanding applications.
- Electrical Isolation: In some cases, electrical isolation between shafts is necessary to prevent the transfer of electrical currents or static electricity. Flexible flange couplings made from insulating materials can provide this isolation, ensuring safe and efficient operation in certain pump and compressor applications.
- Corrosion Resistance: Marine propulsion systems are exposed to harsh environments with high humidity and saltwater exposure. Flexible flange couplings made from materials such as stainless steel or corrosion-resistant alloys can withstand these conditions, offering extended service life and reliable performance.
- Easy Installation and Maintenance: Flexible flange couplings are relatively easy to install and require minimal maintenance, making them attractive choices for various industrial applications, including pumps, compressors, and marine propulsion systems.
- Compact Design: Space may be limited in pumps, compressors, and marine propulsion systems. Flexible flange couplings have a compact design, which helps in integrating them into the equipment without significant modifications.
Overall, flexible flange couplings are versatile and can be customized to suit specific requirements, making them well-suited for use in pumps, compressors, and marine propulsion systems. However, it’s essential to consider factors such as torque capacity, material compatibility, operating conditions, and system requirements to select the most appropriate coupling for each application.
Torque and Speed Limits for Flexible Flange Coupling Designs
Flexible flange couplings come in various designs, each with its specific torque and speed limits. These limits are essential considerations when selecting the appropriate coupling for a particular application. The following factors influence the torque and speed limits:
- Coupling Material: The material used in the flexible flange coupling plays a crucial role in determining its torque and speed limits. Couplings made from materials with higher tensile and shear strength, such as steel or alloy, can handle higher torque loads and operate at higher speeds compared to those made from elastomeric materials.
- Elastomer Hardness: For flexible flange couplings with elastomeric elements, the hardness of the elastomer affects the torque and speed limits. Softer elastomers generally offer greater flexibility and misalignment accommodation but may have lower torque and speed ratings. Harder elastomers can handle higher torque and speed but provide less flexibility.
- Coupling Size: The physical size of the coupling also impacts its torque and speed limits. Larger couplings, with more substantial and thicker flanges and elastomer elements, can generally handle higher torque loads and operate at higher speeds.
- Design and Construction: The design and construction of the flexible flange coupling influence its overall strength and performance. Couplings with optimized designs, precision machining, and robust construction can withstand higher torque and speed levels.
- Application Requirements: The specific requirements of the application, such as the level of misalignment, the magnitude of torque loads, and the desired rotational speed, will determine the suitable flexible flange coupling with the appropriate torque and speed limits.
Manufacturers of flexible flange couplings provide detailed specifications, including torque and speed ratings, for each coupling design they offer. It is crucial to adhere to these specified limits to ensure the safe and reliable operation of the coupling in the intended application.
During the selection process, engineers and designers should carefully match the torque and speed requirements of the application with the capabilities of the chosen flexible flange coupling. This ensures that the coupling operates optimally and provides long-lasting and efficient power transmission in the mechanical system.
editor by CX 2024-05-13
China high quality Flexible Flex Fluid Chain Jaw Flange Gear Rigid Spacer Pin HRC Mh Nm Universal Fenaflex Oldham Spline Clamp Tyre Grid Hydraulic Servo Motor Shaft Coupling
Product Description
Flexible flex Fluid Chain Jaw flange Gear Rigid Spacer PIN HRC MH NM universal Fenaflex Oldham spline clamp tyre grid hydraulic servo motor shaft Coupling
Product Description
The function of Shaft coupling:
1. Shafts for connecting separately manufactured units such as motors and generators.
2. If any axis is misaligned.
3. Provides mechanical flexibility.
4. Absorb the transmission of impact load.
5. Prevent overload
We can provide the following couplings.
| Rigid coupling | Flange coupling | Oldham coupling |
| Sleeve or muff coupling | Gear coupling | Bellow coupling |
| Split muff coupling | Flexible coupling | Fluid coupling |
| Clamp or split-muff or compression coupling | Universal coupling | Variable speed coupling |
| Bushed pin-type coupling | Diaphragm coupling | Constant speed coupling |
Company Profile
We are an industrial company specializing in the production of couplings. It has 3 branches: steel casting, forging, and heat treatment. Main products: cross shaft universal coupling, drum gear coupling, non-metallic elastic element coupling, rigid coupling, etc.
The company mainly produces the industry standard JB3241-91 swap JB5513-91 swc. JB3242-93 swz series universal coupling with spider type. It can also design and produce various non-standard universal couplings, other couplings, and mechanical products for users according to special requirements. Currently, the products are mainly sold to major steel companies at home and abroad, the metallurgical steel rolling industry, and leading engine manufacturers, with an annual production capacity of more than 7000 sets.
The company’s quality policy is “quality for survival, variety for development.” In August 2000, the national quality system certification authority audited that its quality assurance system met the requirements of GB/T19002-1994 IDT ISO9002:1994 and obtained the quality system certification certificate with the registration number 0900B5711. It is the first enterprise in the coupling production industry in HangZhou City that passed the ISO9002 quality and constitution certification.
The company pursues the business purpose of “reliable quality, the supremacy of reputation, commitment to business and customer satisfaction” and welcomes customers at home and abroad to choose our products.
At the same time, the company has established long-term cooperative relations with many enterprises and warmly welcomes friends from all walks of life to visit, investigate and negotiate business!
How to use the coupling safely
The coupling is an intermediate connecting part of each motion mechanism, which directly impacts the regular operation of each motion mechanism. Therefore, attention must be paid to:
1. The coupling is not allowed to have more than the specified axis deflection and radial displacement so as not to affect its transmission performance.
2. The bolts of the LINS coupling shall not be loose or damaged.
3. Gear coupling and cross slide coupling shall be lubricated regularly, and lubricating grease shall be added every 2-3 months to avoid severe wear of gear teeth and serious consequences.
4. The tooth width contact length of gear coupling shall not be less than 70%; Its axial displacement shall not be more significant than 5mm
5. The coupling is not allowed to have cracks. If there are cracks, it needs to be replaced (they can be knocked with a small hammer and judged according to the sound).
6. The keys of LINS coupling shall be closely matched and shall not be loosened.
7. The tooth thickness of the gear coupling is worn. When the lifting mechanism exceeds 15% of the original tooth thickness, the operating mechanism exceeds 25%, and the broken tooth is also scrapped.
8. If the elastic ring of the pin coupling and the sealing ring of the gear coupling is damaged or aged, they should be replaced in time.
Certifications
Packaging & Shipping
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What are the real-world applications of flexible couplings in various industries?
Flexible couplings are widely used in a variety of industries to transmit power and motion between rotating shafts while accommodating misalignments and reducing vibrations. Some of the real-world applications of flexible couplings include:
- Industrial Machinery: Flexible couplings are extensively used in industrial machinery such as pumps, compressors, fans, mixers, and conveyors. They help transmit power from motors to driven equipment, while absorbing misalignments and reducing shock loads and vibrations.
- Automotive: In the automotive industry, flexible couplings are used in various applications, including drive shafts, steering systems, and engine accessories. They help transmit power and motion while allowing for misalignment and reducing torsional vibrations.
- Aerospace: In aircraft and aerospace applications, flexible couplings are used in engine systems, landing gear, and flight control systems. They provide reliable power transmission while accommodating misalignment and reducing vibrations in the demanding aerospace environment.
- Marine: Flexible couplings are used in marine propulsion systems to connect the engine to the propeller shaft. They help transmit power and motion while compensating for shaft misalignment and reducing vibrations in marine vessels.
- Renewable Energy: In wind turbines and solar tracking systems, flexible couplings are used to transfer power and motion between the turbine or solar panel and the generator. They allow for misalignment caused by wind and sun direction changes, ensuring optimal energy conversion.
- Oil and Gas: In the oil and gas industry, flexible couplings are used in pumps, compressors, and drilling equipment. They provide reliable power transmission while accommodating misalignments and reducing vibrations in harsh and demanding oilfield environments.
- Mining and Construction: Flexible couplings are used in heavy-duty mining and construction equipment, including excavators, bulldozers, and loaders. They help transmit power from engines to drive systems while compensating for misalignments and reducing vibrations in rugged and challenging environments.
- Food and Beverage: In food processing and packaging machinery, flexible couplings are used to transmit power and motion while meeting strict hygiene and safety requirements. They help prevent contamination while accommodating shaft misalignments.
- Medical Equipment: Flexible couplings are used in medical devices and equipment, including imaging machines and robotic surgical systems. They help transmit motion and power while reducing vibrations and maintaining precision.
- Textile Industry: In textile manufacturing machines, flexible couplings are used in spinning, weaving, and dyeing processes. They help transmit power efficiently while accommodating misalignments and reducing vibrations during high-speed operation.
These are just a few examples of the diverse applications of flexible couplings in various industries. Their ability to enhance power transmission efficiency, accommodate misalignments, and reduce vibrations makes them a versatile and indispensable component in modern machinery and equipment.
Can flexible couplings be used in the aerospace industry for critical applications?
Flexible couplings can be used in the aerospace industry for certain critical applications, but their usage is limited and carefully considered due to the stringent requirements and safety standards in the aerospace field. Here are some key points to consider:
- Specific Applications: In the aerospace industry, flexible couplings are primarily used in non-flight-critical systems or non-safety-critical applications. They are commonly found in auxiliary equipment, ground support systems, and non-flight propulsion systems.
- Weight and Space Constraints: Weight and space are crucial factors in aerospace applications. Flexible couplings must be lightweight and compact to minimize the impact on the overall weight and size of the aircraft or spacecraft.
- High Reliability Requirements: Aerospace systems demand high reliability and fault tolerance. Flexible couplings used in critical applications must meet stringent reliability standards and undergo rigorous testing and certification to ensure their performance under extreme conditions.
- Material Selection: Aerospace-grade materials are necessary to withstand the demanding environment of aerospace applications. These materials should have high strength-to-weight ratios, corrosion resistance, and excellent mechanical properties to handle the stresses and forces experienced during operation.
- Certifications: Flexible couplings used in the aerospace industry must adhere to specific certifications and standards, such as those set by organizations like the Federal Aviation Administration (FAA) in the United States or the European Union Aviation Safety Agency (EASA) in Europe.
- Redundancy and Safety Measures: In critical systems, redundancy and safety measures are paramount. Flexible couplings used in aerospace applications must be designed with redundancy features to ensure the system’s continued functionality in the event of a failure.
- Temperature and Environmental Considerations: Aerospace systems experience a wide range of temperatures and environmental conditions. Flexible couplings must be able to operate reliably in extreme temperatures, high altitudes, and other challenging environments encountered during flight or space missions.
While flexible couplings have their place in certain aerospace applications, flight-critical and safety-critical systems typically rely on rigid, precision-engineered couplings. These rigid couplings offer higher levels of torque transmission and precision but require careful alignment and installation.
Ultimately, the selection of flexible couplings for aerospace applications must undergo a thorough engineering evaluation and be approved by the relevant regulatory authorities to ensure the highest level of safety and performance in critical aerospace systems.
Are there any limitations or disadvantages of using flexible couplings?
While flexible couplings offer numerous advantages, they do come with some limitations and disadvantages that should be considered when selecting them for specific applications. Here are some of the common limitations and disadvantages of using flexible couplings:
- Torsional Stiffness: Flexible couplings provide some level of torsional flexibility, which is advantageous in many applications. However, in systems that require high precision and minimal angular deflection, the inherent flexibility of the coupling may not be suitable. In such cases, a rigid coupling may be more appropriate.
- Limitation in High-Torque Applications: While some flexible couplings can handle moderate to high torque levels, they may not be as well-suited for extremely high-torque applications. In such cases, specialized couplings, such as gear couplings, may be required to handle the high torque demands.
- Temperature Limitations: The performance of certain flexible coupling materials, especially elastomers and plastics, may be affected by extreme temperature conditions. High temperatures can lead to premature wear and reduced lifespan of the coupling, while low temperatures may result in reduced flexibility and potential brittleness.
- Chemical Compatibility: Certain flexible coupling materials may not be compatible with certain chemicals or substances present in the application’s environment. Exposure to chemicals can cause degradation or corrosion of the coupling material, affecting its performance and lifespan.
- Installation and Alignment: Flexible couplings require proper installation and alignment to function effectively. If not installed correctly, misalignment issues may persist, leading to premature wear and reduced performance. Aligning the shafts accurately can be time-consuming and may require specialized equipment and expertise.
- Cost: In some cases, flexible couplings may be more expensive than rigid couplings due to their more complex design and use of specialized materials. However, the cost difference is often justified by the benefits they offer in terms of misalignment compensation and vibration damping.
- Service Life: The service life of a flexible coupling can vary depending on the application’s conditions and the quality of the coupling. Regular maintenance and timely replacement of worn or damaged parts are essential to ensure the coupling’s longevity and prevent unexpected failures.
Despite these limitations, flexible couplings remain highly valuable components in a wide range of applications, providing efficient torque transmission and compensating for misalignment. Proper selection, installation, and maintenance can help mitigate many of the disadvantages associated with flexible couplings, ensuring their reliable and long-lasting performance in various mechanical systems.
editor by CX 2024-05-13