Product Description

 

GROOVED FLEXIBLE COUPLINGS PRODUCTS SERISE

Product Description

STAINLESS STEEL GROOVED FLEXIBLE COUPLINGS SPECIFICATION

MATERIAL SPECIFICATIONS

Housing : Stainless steel 304(CF8) or 316L(CF3M)

Rubber Gasket : Standard gasket is EPDM(Ethylene-Propylene-Diene Monomer), the range of working temperature is -50ºC-150ºC,using for cold water,hot water and rare alkaline chemical products.

Bolt&Nuts : Stainless steel bolts&nuts according to international standard models of carriage bolts and flange nuts.Nut is SS304 material.

According to ASTM A743 standard for housing material
–Type 304 to ASTM A743 CF8(304)
–Type 316L to ASTM A743 CF3M(316L)
 

 

Our Advantages

Housing:
Stainless steel is used as raw material with good corrosion resistance. And there is the natures which is high strength, good toughness and good mechanical properties. According to the precision casting process, the precision of the clamping size is guaranteed.The material has tensile strength which is not less than 600 MPA and the extension is not less than 15%. withstands high pressure and high impact of pipeline by several disadvantage factors.

Gasket :
The gasket seal with special C-shaped design, that is perfect matching with pipeline dimension in order to achieve working pressure.The gasket is tightener while further pressed in order to achieve sealing efficiency.when the Meanwhile, the imported raw material will also be guaranteed the mechanical properties.

 

Product Parameters

  
MEDIUM PRESSURE STAINLESS STEEL FLEXIBLE GROOVED COUPLING(600psi)

 

Model	Nominal Size		Pipe OD/mm	Working pressure psi	Dimensions			Application
					A	B	C
P-KTSS25	DN25	1″	33.7	600	55.2	97.7	42	RO System
P-KTSS32	DN32	1.25″	42.4	600	60.7	103.3	42
P-KTSS40	DN40	1.5″	48.3	600	67.5	107.4	42
P-KTSS50	DN50	2″	60.3	600	84.2	123.8	42
P-KTSS65-G	DN65	2.5″	76.1	600	99.4	143.6	44
P-KTSS80	DN80	3″	88.9	600	112	157	49
P-KTSS100	DN100	4″	108	600	135	183	47
P-KTSS100-G	DN100	4″	114	600	135	183	47
P-KTSS125	DN125	5″	133	600	163	220	53
P-KTSS150	DN150	6″	159	600	195	256	53
P-KTSS200	DN200	8″	219.1	600	259	326	60

 

 

Monitoring device

 

 

Scope of application

ZheJiang Morui Environment&Technology Co., Ltd. (refer to ZheJiang MR), is professional company which is committed to become processing manufacturer of pipeline system solutions. Located in the ZheJiang High-tech Zone as headquarter. There are several branches in ZheJiang , ZheJiang and ZheJiang provinces.

We are not only processing manufacturer, but also it has the own sales and service network. We are able to grasp accurately the clients’ “pain points” that the clients faced. And provide the proper solutions immediately. Because we have the excellent team who are focusing on follow-up service.

The ZheJiang MR company’s products have been widely used in the field of MF, UF and RO system, sewage water system, water supply and drainage, high-pressure desalination system, such as garbage infiltration liquid, electronic, chemical industry, air-conditioning and so on. Our products are compliance with international first-class standard(GB, ASTM, DIN and JIS). Meanwhile providing the professional before-sale and after-sale service to our clients.

 

Certifications

 

FAQ

 

Qn1: Are you the factory or trading company?
Ans: We are the factory of manufacturing flexible grooved couplings. There are 2 different types ,including plastic and stainless steel. They are mainly applicable in RO,UF and NF system.
The size is from 1″ to 8″, which is satisfied with water treatment.

Qn2: How about the working pressure of grooved couplings?
Ans: For plastic grooved couplings, normally are used in UF system. The Working pressure is up to 10bar with small size. For the larger size,up to 6bar,such like 2-1/2″ and 3″.
For stainless steel, there are 4 steps of working pressure. Low pressure(300psi),medium pressure(600psi), high pressure(1000psi) and ultra-high pressure(1500psi).

Qn3: Can I have sample provided?
Ans: Yes, we can provide sample.

Qn4: When can we get sample?
Ans: For standardized components with stock in hand, we’re ready for preparing within 2 working days.

Qn5: How can you ensure the quality of finished products?
Ans: There are several components to consists of finished goods,such as housing, gasket and bolts and nuts with any kinds of sizes. Excepts inspectors, we have several testing machines, like spectrographic analysis instrument, universal testing machine, impact machine and metallographic microscope to ensure the 100% sample selected be tested.

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Materials Used in Manufacturing Flexible Flange Couplings and Their Impact on Performance

Flexible flange couplings are commonly manufactured using various materials, each offering specific properties that can impact their performance in mechanical power transmission systems. The choice of material depends on factors such as application requirements, operating conditions, torque and speed demands, and environmental considerations. Some of the commonly used materials and their impact on performance are as follows:

1. Elastomeric Materials (Rubber, Polyurethane, etc.): Elastomeric materials like rubber and polyurethane are widely used in flexible flange couplings. These materials provide excellent flexibility, which allows them to handle misalignment and dampen vibrations effectively. They can also absorb shocks and reduce transmission of torsional vibrations between shafts, contributing to smoother operation and reduced wear on connected machinery. However, elastomeric couplings may have limitations in high-temperature or aggressive chemical environments.
2. Metal Alloys (Steel, Stainless Steel, etc.): Metal alloys, such as steel and stainless steel, are preferred when higher torque and load-carrying capacities are required. They offer superior strength and durability, making them suitable for heavy-duty applications. Stainless steel is particularly resistant to corrosion and is often used in harsh or corrosive environments. Metal couplings may not provide as much flexibility as elastomeric ones, but they compensate with higher torque transmission capabilities and increased reliability.
3. Composite Materials (Fiberglass, Carbon Fiber, etc.): Composite materials are gaining popularity in various industries due to their unique combination of properties. They can offer a balance of flexibility and strength, making them suitable for applications where both misalignment accommodation and high torque transmission are necessary. Composite couplings are often lightweight, which can be advantageous for reducing the overall weight of rotating systems.
4. Plastics (Nylon, Delrin, etc.): Plastics are sometimes used in less demanding applications where cost-effectiveness and low friction are essential. While they may not provide the same level of performance as elastomeric or metal couplings, they can still serve adequately in specific settings with lower torque and speed requirements.

The choice of material for flexible flange couplings must consider factors such as application-specific needs, environmental conditions, temperature range, chemical exposure, and maintenance requirements. It is essential to select a coupling material that matches the demands of the application to ensure optimal performance, longevity, and reliability.

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:

1. 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.
2. 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.
3. 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.

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 2024-03-04