Product Description
Popular Pipe Spare Part PVC Rubber Joint Coupling in PN10
Rubber fittings can be widely used in water supply, drain, building construction adn so on. Also they are easy to install.
| Items Name | PVC Coupling F/F PN10 |
| Material | Polyvinyl chloride |
| Size | 63~355 mm |
| Color | Grey or Customized |
| Connection | With Rubber Ring |
| Pressure | ( Dn <160 ) ≥PN12,5 ( under 1000 hours ) |
| ( Dn ≥160 ) ≥PN10 ( under 1000 hours ) |
| Coupling | |||||
| Size(De) | Dimension(mm) | ||||
| D0 | D1 | d1 | T | L | |
| 63 | 74.50 | 65.30 | 62.00 | 76.00 | 158.00 |
| 75 | 88.50 | 77.50 | 73.50 | 84.50 | 177.50 |
| 90 | 105.50 | 92.50 | 88.50 | 95.00 | 200.00 |
| 110 | 125.70 | 111.50 | 108.00 | 122.00 | 280.00 |
| 160 | 181.50 | 162.30 | 158.00 | 141.00 | 303.00 |
| 200 | 225.00 | 202.50 | 197.00 | 152.00 | 310.00 |
| 225 | 251.50 | 227.50 | 221.00 | 139.00 | 362.00 |
| 250 | 276.50 | 252.30 | 247.00 | 152.00 | 382.70 |
| 315 | 347.80 | 318.30 | 312.00 | 198.00 | 484.00 |
| 355 | 388.50 | 356.63 | 326.00 | 235.00 | 384.30 |
| Description | Size | Pcs/ctn | Length (cm) | Width (cm) | Height (cm) |
| Coupling | De63 | 48 | 53 | 38 | 35.5 |
| De75 | 30 | 58.5 | 30 | 38.5 | |
| De90 | 24 | 57 | 40 | 43 | |
| De110 | 9 | 44 | 44 | 31 | |
| De160 | 4 | 55 | 55 | 27 | |
| De200 | 4 | 52 | 52 | 38 | |
| De225 | 2 | 55 | 29 | 38 | |
| De250 | 2 | 62 | 33 | 42 | |
| De315 | 1 | 39.5 | 39.5 | 50.5 | |
| De355 | 1 | 45 | 45 | 51 |
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FAQ: (Frequently Asked Questions)
1. What is your MOQ?
Our MOQ is usually 5cartons.
2. What is your delievery time?
Our delievery is about 15-20days.
3. What is your payment terms?
We accept T/T, 100% L/C, or West Union and so on.
4. Could you provide free samples?
Usually, we offer the free samples, customers bear the freight cost.
5. Why choose us?
Firstly, comparing with many factories, our prices are more competitive.
Secondly, We 100% test working pressure for ALL our products.
Finally, After- Services will be highly satisfied. Any problems and feedbacks will be responded efficiently.
Meet us in Exhibition
Company introduction
SWD PLASTIC (Salvador Industrial Co., Ltd) is a leading and professional manufacturer and exporter for UPVC, CPVC, PPH, PVDF pipes, valves and fittings in China. We stick to the principle of ” Quality First, Service First, Continuous Improvement and Innovation to Meet the Customers”, and the quality management objective of ” Zero Defect, Zero Complaints”.
SWD Products are widely used in Agricultural Irrigation, Wastewater Treatment, Aquaculture, Pharmaceutical Industry, Electroplating, Papermaking Industry…
Most of our products confirm to ANSI, DIN, BS, JIS & TIS standard and have been already sold to United States, Canada, Mexico, Chile, Colombia, Peru, Russia, Saudi Arabia, UAE, Iran, Iraq, Thailand, Philippines, Indonesia, Malaysia etc. With very good reputation.
With rich experience in piping & duct systems, we will provide best solutions and services to you.
Welcome to our company visit and discuss business, sincerely hope our professional technology and individual service can win your trust and favor, looking CHINAMFG to cooperate with friends all over the world, let′s do CHINAMFG business together!
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Impact of Elastomer Element Design on Rubber Coupling Performance
The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:
- Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
- Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
- Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
- Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
- Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.
The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.
Signs of Wear or Deterioration in Rubber Couplings
Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:
- Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
- Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
- Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
- Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
- Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.
Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.
Utilization of Rubber Couplings in Mechanical Systems
A rubber coupling is a type of flexible coupling that utilizes rubber elements to connect two shafts while allowing a certain degree of misalignment and vibration damping. It is commonly used in mechanical systems to transmit torque, accommodate misalignment, and reduce shock and vibration. Here’s how rubber couplings are utilized:
- Torque Transmission: Rubber couplings transmit torque from one shaft to another, enabling the transfer of power between components while allowing for slight angular, parallel, and axial misalignments.
- Misalignment Compensation: These couplings can accommodate both angular and axial misalignments, which can occur due to manufacturing tolerances, thermal expansion, or other factors. The flexibility of the rubber element helps prevent excessive loads on connected equipment.
- Vibration Damping: The elastic properties of rubber help dampen vibrations and shocks generated during the operation of rotating machinery. This prevents the transmission of harmful vibrations to other parts of the system and reduces wear and fatigue.
- Noise Reduction: Rubber couplings help reduce noise by absorbing vibrations and minimizing the transmission of sound waves through the system.
- Equipment Protection: By absorbing shocks and vibrations, rubber couplings protect sensitive equipment and components from damage, thereby extending their lifespan.
- Simple Installation: Rubber couplings are relatively easy to install and require minimal maintenance, making them a convenient choice for various applications.
- Wide Range of Applications: Rubber couplings find applications in various industries, including automotive, industrial machinery, pumps, compressors, and more.
In summary, rubber couplings are utilized in mechanical systems to transmit torque, accommodate misalignment, reduce vibration and shock, protect equipment, and enhance the overall performance and reliability of rotating machinery.
editor by CX 2024-04-24