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|
Can flexible couplings be used in precision motion control systems?
Yes, flexible couplings can be used in precision motion control systems, but careful consideration must be given to their selection and application. Precision motion control systems require high accuracy, repeatability, and minimal backlash. Flexible couplings can play a crucial role in such systems when chosen appropriately and used in the right conditions.
Selection Criteria: When selecting a flexible coupling for a precision motion control system, several key factors should be considered:
- Backlash: Look for couplings with minimal or no backlash to ensure accurate motion transmission and precise positioning.
- Torsional Stiffness: Choose a coupling with sufficient torsional stiffness to minimize torsional deflection and maintain accurate motion control.
- Misalignment Compensation: Ensure the coupling can accommodate the required misalignment without introducing significant variations in motion accuracy.
- Dynamic Performance: Evaluate the coupling’s dynamic behavior under varying speeds and loads to ensure smooth and precise motion control during operation.
- Material and Construction: Consider the material and construction of the coupling to ensure it can withstand the specific environmental conditions and loads of the motion control system.
- Size and Space Constraints: Choose a compact and lightweight coupling that fits within the available space and does not add excessive inertia to the system.
Applications: Flexible couplings are commonly used in precision motion control systems, such as robotics, CNC machines, semiconductor manufacturing equipment, optical systems, and high-precision measurement instruments. They help transmit motion from motors to various components, such as lead screws, spindles, or precision gears, while compensating for misalignments and providing shock and vibration absorption.
Specialized Couplings: For ultra-high precision applications, specialized couplings, such as zero-backlash or torsionally rigid couplings, may be preferred. These couplings are designed to provide precise motion transmission without any play or torsional deflection, making them suitable for demanding motion control tasks.
Installation and Alignment: Proper installation and alignment are critical to achieving optimal performance in precision motion control systems. Precise alignment of the coupling and connected components helps maintain accurate motion transmission and minimizes eccentricities that could impact the system’s precision.
Summary: Flexible couplings can indeed be used in precision motion control systems when chosen and applied correctly. By considering factors like backlash, torsional stiffness, misalignment compensation, and dynamic performance, users can select the right coupling to ensure high accuracy, repeatability, and reliable motion control in their specific application.
How does a flexible coupling handle torsional vibrations in rotating machinery?
A flexible coupling is designed to handle torsional vibrations in rotating machinery by providing a degree of flexibility and damping. Torsional vibrations are oscillations that occur in the drivetrain due to torque variations, sudden load changes, or other transient events. These vibrations can lead to resonance, excessive stress, and premature failure of components.
Flexible couplings mitigate torsional vibrations through the following mechanisms:
- Torsional Compliance: Flexible couplings have an element, such as an elastomeric insert, that can deform or twist to absorb torsional shocks. When the drivetrain experiences torsional vibrations, the flexible element flexes, effectively isolating and dampening the vibrations before they propagate further.
- Damping: Many flexible couplings have inherent damping properties, especially those with elastomeric components. Damping dissipates the energy of the torsional vibrations, reducing their amplitude and preventing resonance from occurring.
- Tuned Design: Some flexible couplings are specifically designed with specific torsional characteristics to match the drivetrain’s requirements. By tuning the coupling’s stiffness and damping properties, engineers can ensure optimal torsional vibration control.
- Torsional Stiffness: While flexible couplings provide flexibility to absorb vibrations, they also offer a degree of torsional stiffness to maintain the torque transmission efficiency between the shafts.
It is important to select the appropriate flexible coupling based on the specific torsional characteristics and requirements of the rotating machinery. Different applications may demand different types of couplings with varying levels of flexibility and damping. High-performance flexible couplings can effectively minimize torsional vibrations, protecting the drivetrain and connected equipment from excessive stress and potential damage.
Additionally, proper alignment of the flexible coupling during installation is crucial to ensure its optimal performance in mitigating torsional vibrations. Misalignment can introduce additional stresses and exacerbate torsional issues in the system. Regular inspection and maintenance of the flexible coupling will help identify any signs of wear or damage that may affect its ability to handle torsional vibrations effectively.
How does a flexible coupling handle angular, parallel, and axial misalignment?
A flexible coupling is designed to accommodate various types of misalignment between two rotating shafts: angular misalignment, parallel misalignment, and axial misalignment. The flexibility of the coupling allows it to maintain a connection between the shafts while compensating for these misalignment types. Here’s how a flexible coupling handles each type of misalignment:
- Angular Misalignment: Angular misalignment occurs when the axes of the two shafts are not collinear and form an angle with each other. Flexible couplings can handle angular misalignment by incorporating an element that can flex and bend. One common design is the “spider” or “jaw” element, which consists of elastomeric materials. As the shafts are misaligned, the elastomeric element can deform slightly, allowing the coupling to accommodate the angular offset between the shafts while still transmitting torque.
- Parallel Misalignment: Parallel misalignment, also known as offset misalignment, occurs when the axes of the two shafts are parallel but not perfectly aligned with each other. Flexible couplings can handle parallel misalignment through the same elastomeric element. The flexible nature of the element enables it to shift and adjust to the offset between the shafts, ensuring continuous power transmission while minimizing additional stresses on the machinery.
- Axial Misalignment: Axial misalignment, also called end-play misalignment, occurs when the two shafts move closer together or farther apart along their common axis. Flexible couplings can handle axial misalignment through specific designs that allow limited axial movement. For instance, some couplings use slotted holes or a floating member that permits axial displacement while maintaining the connection between the shafts.
By providing the capability to handle angular, parallel, and axial misalignment, flexible couplings offer several advantages for power transmission systems:
- They help to prevent premature wear and damage to the connected equipment, reducing maintenance and replacement costs.
- They minimize vibration and shock loads, enhancing the overall smoothness and reliability of the machinery.
- They reduce the risk of equipment failure due to misalignment-induced stresses, improving the system’s operational life.
- They allow for easier installation and alignment adjustments, saving time and effort during setup and maintenance.
Overall, flexible couplings play a crucial role in handling misalignment and ensuring efficient power transmission in various industrial applications.
editor by CX 2023-10-06