Product Description
Stainless Steel Grooved Pipe Coupling 4” DN100mm 600psi (42Mpa)
1. Available Size:
* 4” – 10” ( DN100-DN2500mm)
2. Maximum Working Pressure :
* 600 CHINAMFG ( 42 bar)
* working pressure dependent on material, wall thickness and size of pipe .
3. Application:
* 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
4. Material
Body Material : SS304, SS316, SS316L, SS CE8MN, SS Duplex 2204, SS Duplex 2507
Rubber Sealing : EPDM
Bolt & Nut : SS304, SS316
5. Dimension Sheet :
| Model G30 Stainless Steel Rigid Coupling | ||||||||
| Nominal Size | Pipe O.D | Working Pressure | Pipe End Separation | Coupling Dimensions | Coupling Bolts | |||
| X | Y | Z | Qty | Size | ||||
| mm/inch | mm/inch | psi/bar | mm/inch | mm/inch | mm/inch | mm/inch | pcs | mm |
| 100/4 | 108/4.250 | 600/42 | 0-3.2/0-0.13 | 137/5.394 | 184/7.244 | 47/1.850 | 2 | M12X60 |
| 100/4 | 114.3/4.500 | 600/42 | 0-3.2/0-0.13 | 142/5.591 | 190/7.480 | 48/1.890 | 2 | M12X60 |
| 125/5 | 133/5.250 | 600/42 | 0-3.2/0-0.13 | 162/6.378 | 216/8.504 | 48/1.890 | 2 | M12X65 |
| 125/5 | 139.7/5.500 | 600/42 | 0-3.2/0-0.13 | 167/6.575 | 216/8.504 | 48/1.890 | 2 | M12X65 |
| 150/6 | 159/6.259 | 600/42 | 0-3.2/0-0.13 | 190/7.480 | 240/9.448 | 50/1.968 | 2 | M12X75 |
| 150/6 | 168.3/6.625 | 600/42 | 0-3.2/0-0.13 | 196/7.717 | 246/9.685 | 50/1.968 | 2 | M12X75 |
| 200/8 | 219/8.625 | 600/42 | 0-3.2/0-0.13 | 253/9.961 | 325/12.795 | 58/2.283 | 2 | M16X90 |
| 250/10 | 273/10.750 | 600/42 | 0-3.2/0-0.13 | 315/12.401 | 396/15.590 | 62/2.441 | 2 | M20X110 |
Typical for all sizes
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How Does a Rigid Coupling Protect Connected Equipment from Shock Loads and Vibrations?
Rigid couplings play a crucial role in protecting connected equipment from shock loads and vibrations by providing a direct and rigid connection between the shafts. The design and properties of rigid couplings contribute to their ability to mitigate the impact of shock loads and vibrations in the following ways:
– High Stiffness: Rigid couplings are constructed from materials with high stiffness, such as steel or aluminum. This high stiffness allows them to resist deformation and bending under load, ensuring that the coupling remains stable and maintains its shape. As a result, the shock loads and vibrations are not amplified or transferred to the connected equipment.
– Immediate Torque Transmission: Rigid couplings provide immediate torque transmission between the shafts without any backlash or play. When the connected machinery experiences a sudden shock load, the rigid coupling effectively transfers the torque to the other side of the coupling without delay. This rapid and precise torque transfer prevents the shock load from causing misalignment or damaging the equipment.
– Elimination of Damping: Unlike flexible couplings, which can dampen vibrations to some extent, rigid couplings do not have any damping properties. While damping can be beneficial in certain applications, it can also allow vibrations to persist, potentially affecting the performance and reliability of the connected equipment. Rigid couplings do not introduce any additional damping, ensuring that the vibrations are not prolonged.
– Stable Connection: Rigid couplings create a stable and unyielding connection between the shafts, limiting any relative movement. This stability prevents the propagation of vibrations from one shaft to another, reducing the potential for resonance and vibration amplification.
– Minimal Maintenance: Rigid couplings require minimal maintenance due to their simple and durable design. Unlike flexible couplings that may have wear-prone elements, rigid couplings do not have parts that need regular replacement. This reliability and low maintenance contribute to their ability to provide continuous protection against shock loads and vibrations.
In applications where shock loads and vibrations are prevalent, using a rigid coupling can help protect critical machinery and components from damage and premature failure. By providing a rigid and immediate torque transmission, rigid couplings effectively isolate the connected equipment from the harmful effects of shock loads and vibrations, ensuring smooth operation and enhanced reliability.
What Industries Commonly Use Rigid Couplings for Power Transmission?
Rigid couplings are widely used in various industries for power transmission applications that require a solid and reliable connection between rotating shafts. Some of the industries that commonly utilize rigid couplings include:
- Manufacturing: In the manufacturing industry, rigid couplings are employed in a wide range of equipment, such as conveyors, mixers, pumps, compressors, and machine tools. These couplings ensure precise power transmission and alignment, making them ideal for maintaining accuracy in manufacturing processes.
- Material Handling: Material handling equipment, including cranes, hoists, and elevators, often rely on rigid couplings to transfer power between shafts efficiently. Rigid couplings provide a robust connection that can handle the heavy loads and continuous operation common in material handling applications.
- Automotive: The automotive industry employs rigid couplings in various automotive systems, including drive shafts, transmissions, and steering systems. Rigid couplings contribute to the overall performance and reliability of these components, ensuring smooth power transfer and minimizing vibration.
- Mining and Construction: In the mining and construction industries, rugged and durable power transmission components are crucial. Rigid couplings are used in equipment like crushers, mills, and heavy-duty conveyors, where they can withstand the harsh conditions and heavy loads commonly found in these applications.
- Oil and Gas: The oil and gas industry often utilizes rigid couplings in pumps, compressors, and drilling equipment. Rigid couplings offer consistent and dependable power transmission, which is essential for critical operations in this sector.
- Marine: In marine applications, such as ship propulsion systems and marine pumps, rigid couplings are used to transmit power between the ship’s engine and various equipment. They can handle the dynamic forces and vibrations encountered in marine environments.
- Aerospace: In aerospace applications, where precision and reliability are paramount, rigid couplings play a role in power transmission between various aircraft components.
Rigid couplings are chosen in these industries for their ability to maintain shaft alignment, resist misalignment, and provide a backlash-free connection. Their robust construction and simple design make them suitable for high torque and high-speed applications, where precision and efficiency are crucial.
Materials Used in Manufacturing Rigid Couplings:
Rigid couplings are designed to provide a strong and durable connection between two shafts, and they are commonly made from a variety of materials to suit different applications. The choice of material depends on factors such as the application’s environment, load capacity, and cost considerations. Some common materials used in manufacturing rigid couplings include:
- 1. Steel: Steel is one of the most widely used materials for rigid couplings. It offers excellent strength, durability, and resistance to wear. Steel couplings are suitable for a wide range of applications, including industrial machinery, automotive systems, and power transmission.
- 2. Stainless Steel: Stainless steel couplings are used in applications where corrosion resistance is crucial. They are well-suited for environments with high humidity, moisture, or exposure to chemicals. Stainless steel couplings are commonly used in food processing, pharmaceuticals, marine, and outdoor applications.
- 3. Aluminum: Aluminum couplings are known for their lightweight and corrosion-resistant properties. They are often used in applications where weight reduction is essential, such as aerospace and automotive industries.
- 4. Brass: Brass couplings offer good corrosion resistance and are commonly used in plumbing and water-related applications.
- 5. Cast Iron: Cast iron couplings provide high strength and durability, making them suitable for heavy-duty industrial applications and machinery.
- 6. Bronze: Bronze couplings are known for their excellent wear resistance and are often used in applications involving heavy loads and low speeds.
- 7. Plastics: Some rigid couplings are made from various plastics, such as nylon or Delrin. Plastic couplings are lightweight, non-conductive, and suitable for applications where electrical insulation is required.
It’s essential to consider the specific requirements of the application, including factors like load capacity, operating environment, and cost, when choosing the appropriate material for a rigid coupling. The right material selection ensures that the coupling can withstand the forces and conditions it will encounter, resulting in a reliable and long-lasting connection between the shafts.
editor by CX 2024-04-24