Stainless Steel Grooved Pipe Coupling 2” DN50mm 600psi (4.0Mpa)
1. Available Size:
* 3/4” – 12” ( DN20-DN300mm)
2. Maximum Working Pressure :
* 600 CHINAMFG ( 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 role does a flexible coupling play in minimizing wear and tear on connected components?
A flexible coupling plays a vital role in minimizing wear and tear on connected components by absorbing and mitigating various mechanical stresses that occur during operation. Here’s how a flexible coupling achieves this:
- Misalignment Compensation: One of the primary causes of wear and tear on rotating machinery is misalignment between connected shafts. Misalignment can occur due to factors such as thermal expansion, foundation settling, or assembly errors. A flexible coupling can accommodate both angular and parallel misalignments, reducing the stress on the shafts and connected components. By allowing for misalignment, the coupling prevents excessive forces from being transmitted to the connected components, minimizing wear.
- Vibration Damping: During operation, rotating machinery can generate vibrations that lead to accelerated wear on components like bearings, gears, and couplings. A flexible coupling acts as a vibration damper, absorbing and dispersing vibrations, reducing their impact on connected components. This damping effect helps prevent fatigue and extends the life of the components.
- Shock Absorption: Machinery may experience sudden shocks or impact loads during start-ups, shutdowns, or due to external factors. A flexible coupling is designed to absorb and cushion these shocks, preventing them from propagating through the system and causing damage to sensitive components.
- Smooth Torque Transmission: In rigid couplings, torque transmission between shafts can be abrupt and cause torque spikes. These spikes put stress on the connected components, leading to wear and fatigue. Flexible couplings transmit torque smoothly, without sudden spikes, ensuring even distribution of forces and reducing the wear on components.
- Controlling Torsional Vibrations: Torsional vibrations, a type of vibration that affects rotating shafts, can be damaging to connected components. Some flexible couplings are designed to address torsional vibration issues, providing additional protection against wear and tear.
- Compensating for Thermal Expansion: Temperature fluctuations can lead to thermal expansion or contraction of machinery components. A flexible coupling can accommodate these changes, preventing undue stress on the connected components that may arise from differential expansion rates.
By performing these functions, a flexible coupling acts as a protective barrier for connected components, minimizing wear and tear, and contributing to their longevity. The reduced wear and stress on the components also result in lower maintenance costs and improved overall reliability of the mechanical system.
How does a flexible coupling handle misalignment in large rotating equipment?
Flexible couplings are designed to accommodate various types of misalignment in large rotating equipment, ensuring smooth and efficient power transmission while minimizing stress on connected components. Here’s how flexible couplings handle different types of misalignment:
- Angular Misalignment: Angular misalignment occurs when the axes of the two connected shafts are not collinear and form an angle. Flexible couplings can handle angular misalignment by allowing the coupling elements to flex and move slightly, thus accommodating the angle between the shafts. The flexible elements, often made of elastomeric materials or metallic membranes, can bend and twist to compensate for angular misalignment, ensuring that the coupling remains engaged and transfers torque effectively.
- Parallel Misalignment: Parallel misalignment, also known as offset misalignment, happens when the two shafts are not perfectly aligned along their axes, resulting in a lateral shift. Flexible couplings can handle parallel misalignment through their ability to move radially, allowing the flexible elements to adjust and take up the offset. This capability prevents excessive side loads on the shafts and bearings, reducing wear and increasing the lifespan of the equipment.
- Axial Misalignment: Axial misalignment occurs when there is a linear displacement of one shaft relative to the other, either toward or away from the other shaft. Some flexible couplings, such as certain types of flexible disc couplings, can accommodate a limited amount of axial misalignment. However, for large axial movement, other types of couplings or special designs may be required.
The flexibility of the coupling elements allows them to act as a buffer between the shafts, dampening shocks, vibrations, and torsional forces caused by misalignment or other dynamic loads. This helps protect the connected equipment from damage and enhances the overall performance and reliability of the rotating system.
In large rotating equipment, where misalignment is more common due to thermal expansion, foundation settling, or other factors, flexible couplings play a critical role in maintaining smooth operation and reducing stress on the machinery. However, it is essential to choose the appropriate type of flexible coupling based on the specific requirements of the application and to regularly inspect and maintain the coupling to ensure optimal performance and longevity.
What are the advantages of using flexible couplings in mechanical systems?
Flexible couplings offer several advantages in mechanical systems, making them essential components in various applications. Here are the key advantages of using flexible couplings:
- Misalignment Compensation: One of the primary advantages of flexible couplings is their ability to compensate for shaft misalignment. In mechanical systems, misalignment can occur due to various factors such as installation errors, thermal expansion, or shaft deflection. Flexible couplings can accommodate angular, parallel, and axial misalignment, ensuring smooth power transmission and reducing stress on the connected equipment and shafts.
- Vibration Damping: Flexible couplings act as damping elements, absorbing and dissipating vibrations and shocks generated during operation. This feature helps to reduce noise, protect the equipment from excessive wear, and enhance overall system reliability and performance.
- Torsional Flexibility: Flexible couplings provide torsional flexibility, allowing them to handle slight angular and axial deflections. This capability protects the equipment from sudden torque fluctuations, shock loads, and torque spikes, ensuring smoother operation and preventing damage to the machinery.
- Overload Protection: In case of sudden overloads or torque spikes, flexible couplings can absorb and distribute the excess torque, protecting the connected equipment and drivetrain from damage. This overload protection feature prevents unexpected failures and reduces downtime in critical applications.
- Reduce Wear and Maintenance: By compensating for misalignment and damping vibrations, flexible couplings help reduce wear on the connected equipment, bearings, and seals. This results in extended component life and reduced maintenance requirements, leading to cost savings and improved system reliability.
- Compensation for Thermal Expansion: In systems exposed to temperature variations, flexible couplings can compensate for thermal expansion and contraction, maintaining proper alignment and preventing binding or excessive stress on the equipment during temperature changes.
- Electric Isolation: Some types of flexible couplings, such as disc couplings, offer electrical isolation between shafts. This feature is beneficial in applications where galvanic corrosion or electrical interference between connected components needs to be minimized.
- Space and Weight Savings: Flexible couplings often have compact designs and low inertia, which is advantageous in applications with space constraints and where minimizing weight is crucial for performance and efficiency.
- Cost-Effectiveness: Flexible couplings are generally cost-effective solutions for power transmission and motion control, especially when compared to more complex and expensive coupling types. Their relatively simple design and ease of installation contribute to cost savings.
In summary, flexible couplings play a vital role in mechanical systems by providing misalignment compensation, vibration damping, overload protection, and torsional flexibility. These advantages lead to improved system performance, reduced wear and maintenance, and enhanced equipment reliability, making flexible couplings a preferred choice in various industrial, automotive, marine, and aerospace applications.
editor by CX 2023-09-27