China OEM CHINAMFG Rubber Bellows Flexible Pipe Joint Coupling with Floating Flange

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.

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flexible flange coupling

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:

  1. 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.
  2. 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.
  3. 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.
  4. 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.
  5. 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 coupling

How do Flexible Flange Couplings Ensure Efficient Torque Transmission and Minimal Backlash?

Flexible flange couplings are designed to efficiently transmit torque between two shafts while minimizing backlash, ensuring smooth and reliable power transmission in mechanical systems. Here’s how they achieve these goals:

1. Flexibility: The key feature of flexible flange couplings is their inherent flexibility. They are made of materials that can deform slightly under load, allowing them to absorb misalignments and angular displacements between the shafts. This flexibility helps in distributing the load evenly across the coupling and prevents concentrated stress points that can lead to backlash or premature failure.

2. Absorption of Misalignments: In real-world applications, it is challenging to achieve perfect alignment between two shafts due to manufacturing tolerances, thermal expansion, or dynamic forces. Flexible flange couplings can accommodate both angular and axial misalignments, compensating for these alignment errors. By allowing the shafts to find their natural positions within the coupling, they reduce stress on the components and ensure efficient torque transmission.

3. Resilient Materials: Flexible flange couplings are typically made of resilient materials such as high-quality elastomers or flexible metallic elements like stainless steel. These materials have excellent damping properties, which means they can absorb vibrations and shocks during operation. By reducing vibrations, the couplings contribute to smoother torque transmission and lower noise levels.

4. High Torque Capacity: Despite their flexibility, modern flexible flange couplings are engineered to handle high torque loads. The coupling’s design and material selection are optimized to maintain structural integrity and transmit torque efficiently even under heavy loads.

5. No Mechanical Play: Backlash refers to the rotational play or slack between the connected shafts. Flexible flange couplings minimize backlash by securely connecting the shafts without any mechanical play. The coupling’s flexibility allows it to maintain contact with the shafts continuously, ensuring precise torque transmission without any noticeable free movement.

6. Torsional Stiffness: Flexible flange couplings are designed with a balance between flexibility and torsional stiffness. While they can accommodate misalignments, they also provide sufficient torsional rigidity to transmit torque efficiently. This balance ensures that the coupling can dampen vibrations and misalignments while still maintaining reliable torque transmission.

7. Maintenance and Lubrication: Proper maintenance, including regular inspection and lubrication, is essential to ensure the longevity and optimal performance of flexible flange couplings. Adequate lubrication helps reduce friction and wear, further improving torque transmission efficiency.

Overall, flexible flange couplings are versatile components that play a crucial role in efficient power transmission and ensuring smooth operation in various mechanical systems. Their ability to handle misalignments, dampen vibrations, and transmit torque without backlash makes them an ideal choice for critical applications in industries such as manufacturing, power generation, marine, and many others.

flexible flange coupling

Selecting the Right Flexible Flange Coupling for Specific Machinery or Equipment

Choosing the appropriate flexible flange coupling involves considering several factors to ensure optimal performance and longevity. Here are the key steps to guide the selection process:

  1. Load and Torque Requirements: Determine the maximum torque and load that the coupling will experience during operation. Select a coupling that can handle these loads without exceeding its rated capacity.
  2. Misalignment Compensation: Assess the expected misalignment between the shafts. Different coupling types have varying degrees of misalignment capabilities, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the specific misalignment in your application.
  3. Speed: Consider the rotational speed of the machinery or equipment. High-speed applications may require couplings with good balance and vibration-damping properties to avoid resonance and ensure smooth operation.
  4. Vibration Damping: Evaluate the level of vibration present in the system. If vibration damping is critical, elastomeric couplings or disc couplings may be more suitable choices.
  5. Space Constraints: Take into account the available space for the coupling. Some couplings have a compact design, making them suitable for tight spaces.
  6. Environmental Factors: Consider the operating environment, including temperature, humidity, and exposure to chemicals or contaminants. Choose a coupling material that can withstand these conditions without corrosion or degradation.
  7. Serviceability: Assess the ease of installation and maintenance. Some couplings allow for easy replacement without disassembling the connected machinery.
  8. Cost: Compare the cost of different coupling options and balance it with the required performance and reliability for your application.

Conclusion: Properly selecting a flexible flange coupling involves understanding the specific requirements of the machinery or equipment, as well as the operating conditions it will be subjected to. By considering factors such as load, misalignment, speed, and environmental conditions, you can make an informed decision and choose the right coupling that ensures efficient power transmission and minimizes the risk of premature failure.

China OEM CHINAMFG Rubber Bellows Flexible Pipe Joint Coupling with Floating Flange  China OEM CHINAMFG Rubber Bellows Flexible Pipe Joint Coupling with Floating Flange
editor by CX 2024-02-10