Stainless Steel Grooved Pipe Coupling 2” DN50mm 600psi (4.0Mpa)
1. Available Size:
* 3/4” – 12” ( DN20-DN300mm)
2. Maximum Working Pressure :
* 600 CZPT ( 40 bar)
* working pressure dependent on material, wall thickness and size of pipe .
* Provides a flexible pipe joint which allows for expansion, contraction and deflection
* This product joints standard Sch 40S cut grooved pipe
* Suit for pipeline medium including cold water, hot water, rare acid, Oil-free air and chemical
Body Material : SS304, SS316, SS316L, SS CE8MN, SS Duplex 2204, SS Duplex 2507
Rubber Sealing : EPDM
Bolt & Nut : SS304, SS316
5. Dimension Sheet :
Typical for all sizes
|Model S30 Stainless Steel Flexible Coupling|
|Nominal Size||Pipe O.D||Working Pressure||Pipe End Separation||Coupling Dimensions||Coupling Bolts|
|20 3/4||26.9 1.050||600 42||0-1.6 0-0.06||47 1.850||87 3.425||43 1.693||2||M10x40|
|25 1||32 1.260||500 35||0-1.6 0-0.06||53 2.087||90 3.543||43 1.693||2||M10x45|
|32 1 1/4||38 1.496||500 35||0-1.6 0-0.06||58 2.283||94 3.700||44 1.732||2||M10x45|
|32 1 1/4||42.4 1.660||500 35||0-1.6 0-0.06||62 2.441||106 4.173||44 1.732||2||M10x45|
|40 1 1/2||48.3 1.900||500 35||0-1.6 0-0.06||67 2.638||106 4.173||43 1.693||2||M10x45|
|50 2||57 2.244||500 35||0-1.6 0-0.06||77 3.031||116 4.567||43 1.693||2||M10x50|
|50 2||60.3 2.375||500 35||0-1.6 0-0.06||78 3.071||117 4.606||43 1.693||2||M10x50|
|65 2 1/2||73 2.875||500 35||0-1.6 0-0.06||94 3.700||134 5.275||44 1.732||2||M10x50|
|65 2 1/2||76.1 3.000||500 35||0-1.6 0-0.06||94 3.700||134 5.275||44 1.732||2||M10x50|
|80 3||88.9 3.500||500 35||0-1.6 0-0.06||110 4.330||150 5.905||45 1.771||2||M10x50|
|100 4||108 4.250||450 31||0-3.2 0-0.13||135 5.315||184 7.244||47 1.850||2||M12x60|
|100 4||114 4.500||450 31||0-3.2 0-0.13||139 5.472||190 7.480||48 1.890||2||M12x60|
|125 5||133 5.250||400 28||0-3.2 0-0.13||164 6.456||215 8.465||48 1.890||2||M12x60|
|125 5||141.3 5.563||400 28||0-3.2 0-0.13||168 6.614||215 8.465||48 1.890||2||M12x60|
|150 6||159 6.259||350 25||0-3.2 0-0.13||190 7.480||240 9.448||49 1.929||2||M12x70|
|150 6||168.3 6.625||350 25||0-3.2 0-0.13||198 7.795||246 9.685||49 1.929||2||M12x70|
|200 8||219.1 8.625||350 25||0-3.2 0-0.13||253 9.961||318 12.519||57 2.244||2||M12x70|
|250 10||273 10.750||300 21||0-3.2 0-0.13||315 12.401||396 15.590||59 2.322||2||M20x110|
|300 12||323.9 12.750||300 21||0-3.2 0-0.13||372 14.645||452 17.795||60 2.362||2||M20x110|
What are the key features to look for when purchasing a flexible coupling?
When purchasing a flexible coupling, several key features should be considered to ensure it meets the specific requirements of the application and provides reliable performance. The following are the key features to look for:
- 1. Type of Coupling: There are different types of flexible couplings available, such as jaw couplings, beam couplings, bellows couplings, disc couplings, and more. Each type has its advantages and limitations, so choosing the right type depends on factors like misalignment compensation needed, torque capacity, and application requirements.
- 2. Material: The material of the coupling is crucial for its durability and performance. Common materials include stainless steel, aluminum, steel, and various elastomers. Select a material that can withstand the environmental conditions, loads, and temperature ranges of the application.
- 3. Size and Dimensions: Ensure that the coupling’s size and dimensions match the shaft sizes and available space in the system. Oversized or undersized couplings may lead to inefficiencies, misalignment, and reduced performance.
- 4. Torque Rating: Consider the maximum torque the coupling can handle to ensure it can transmit the required power without failure or damage.
- 5. Speed Rating: Check the coupling’s maximum rotational speed capability to ensure it can handle the desired operating speed without issues.
- 6. Misalignment Compensation: Different couplings offer varying degrees of misalignment compensation, such as angular, parallel, and axial misalignment. Choose a coupling that can accommodate the expected misalignments in the system.
- 7. Backlash: For precision applications, consider couplings with minimal or zero-backlash to prevent motion inaccuracies and ensure precise positioning.
- 8. Operating Environment: Assess the environmental conditions, including temperature, humidity, dust, and chemical exposure, and select a coupling with suitable resistance to these factors.
- 9. Maintenance: Decide whether maintenance-free couplings or those requiring periodic lubrication align better with the application’s requirements and maintenance schedule.
- 10. Electrical Isolation: If required, choose couplings with electrical isolation features to prevent current flow between connected shafts.
- 11. Dynamic Behavior: Evaluate the coupling’s dynamic performance, including resonance and damping characteristics, to ensure smooth operation under various loads and speeds.
- 12. Application Compatibility: Verify that the selected coupling is suitable for the specific application, such as pumps, compressors, robotics, automation, or other industrial processes.
Summary: When purchasing a flexible coupling, consider factors such as the type of coupling, material, size, torque rating, speed rating, misalignment compensation, backlash, operating environment, maintenance, electrical isolation, dynamic behavior, and application compatibility. Careful consideration of these features will ensure that the coupling meets the demands of the application, provides reliable performance, and contributes to the overall efficiency of the mechanical system.
How does a flexible coupling help in torque and rotational speed control?
A flexible coupling plays a crucial role in torque and rotational speed control in rotating machinery. It offers several benefits that contribute to efficient power transmission and help maintain desired operating conditions:
- Torque Transmission: Flexible couplings transmit torque from one shaft to another while accommodating misalignments. They provide a reliable connection that allows the driving shaft to transfer rotational force (torque) to the driven shaft without causing undue stress on the connected components.
- Smooth Power Transmission: Flexible couplings help reduce shocks and vibrations that can occur during startup, shutdown, or sudden load changes. By damping these vibrations, the coupling ensures smooth power transmission and protects the connected equipment from unnecessary wear.
- Rotational Speed Control: In certain applications, especially those involving precision motion control, maintaining consistent rotational speed is critical. Flexible couplings can help by minimizing backlash and torsional wind-up. Backlash refers to the play or gap between the coupling’s components, while torsional wind-up is the twisting deformation that can occur under torque load. Flexible couplings with low backlash and high torsional stiffness contribute to accurate rotational speed control.
- Compensation for Misalignment: Rotating machinery may experience misalignment due to various factors such as thermal expansion, foundation settling, or machining tolerances. Flexible couplings accommodate angular, parallel, and axial misalignments, which helps in maintaining proper alignment between the shafts and reduces unnecessary torque variations.
- Protection from Overloads: Flexible couplings can act as a mechanical fuse by disengaging or slipping when subjected to excessive torque loads. This feature protects the connected components from damage caused by sudden overloads or jamming events.
- Energy Efficiency: Certain types of flexible couplings, such as elastomeric couplings or beam couplings, have low mass and inertia. This characteristic reduces energy losses and contributes to overall system efficiency.
By providing reliable torque transmission, smooth power transfer, rotational speed control, and compensation for misalignment, flexible couplings optimize the performance and longevity of rotating machinery. Additionally, they enhance the safety and efficiency of various industrial processes by protecting equipment from excessive loads and ensuring smooth operation in diverse applications.
Can flexible couplings handle misalignment between shafts?
Yes, flexible couplings are specifically designed to handle misalignment between shafts in rotating machinery and mechanical systems. Misalignment can occur due to various factors, including installation errors, thermal expansion, manufacturing tolerances, or shaft deflection during operation.
Flexible couplings offer the ability to compensate for different types of misalignment, including:
- Angular Misalignment: When the shafts are not collinear and have an angular offset, flexible couplings can accommodate this misalignment by flexing or twisting, allowing the two shafts to remain connected while transmitting torque smoothly.
- Parallel Misalignment: Parallel misalignment occurs when the two shafts are not perfectly aligned along their axes. Flexible couplings can adjust to this misalignment, ensuring that the shafts remain connected and capable of transmitting power efficiently.
- Axial Misalignment: Axial misalignment, also known as end float or axial displacement, refers to the relative axial movement of the two shafts. Some flexible coupling designs can accommodate axial misalignment, allowing for slight axial movements without disengaging the coupling.
The ability of flexible couplings to handle misalignment is essential in preventing premature wear and failure of the connected equipment. By compensating for misalignment, flexible couplings reduce the stress on the shafts, bearings, and seals, extending the service life of these components and improving overall system reliability.
It is crucial to select the appropriate type of flexible coupling based on the specific misalignment requirements of the application. Different coupling designs offer varying degrees of misalignment compensation, and the choice depends on factors such as the magnitude and type of misalignment, the torque requirements, and the operating environment.
In summary, flexible couplings play a vital role in handling misalignment between shafts, ensuring efficient power transmission and protecting mechanical systems from the adverse effects of misalignment. Their ability to accommodate misalignment makes them indispensable components in various industrial, automotive, aerospace, and marine applications.
editor by CX 2023-08-04