Product Description
Product Description
| Product name | No-Hub Coupling with Stainless Steel Clamps |
| Size: | 2″-12″ can be customized |
| Material | Stainless steel |
| Samples | Free Samples could be provided after the contact |
| Delivery time | Within 7 days to 15 days, depending on whether you want to customize, and sample quantity |
| MOQ | 1000pcs |
| Packaging | Plastic bag inside and standard carton, pallet. |
| Shipping Port | HangZhou or ZheJiang |
| Certifications | ISO 9001 |
| Surface | Zinc Plate, Polishing, |
| Application | It is mainly used for the connection and fastening of axles, ships, diesel engines, gasoline engines, machine tools, fire-fighting and other mechanical equipment, ordinary rubber hoses of chemical equipment, nylon plastic hoses, etc. seal |
| Specialty | Provide a positive and significant seal between no hub cast iron pipe and fittings |
Detailed Photos
Packing & Delivery
Shipping
You can specify other shipping methods such as Airmail, FEDEX or DHL. We shall let you know about the shipping cost after receipt of your order.
And also can send by sea or air, kindly send me your port.
Company Profile
Xihu (West Lake) Dis. Yuebang is located in Xihu (West Lake) Dis. County, ZHangZhoug Province. The company was founded in 2015, covered an area of 30,000 square meters, has more than 250 employees, has an independent research and development team, has a high production capacity and service capacity, serving hundreds of customers around the world.
Each year produces millions of various pipe clamps and fittings such as heavy-duty clamps without rubber, light clamps, hose clamps with nails, hose clamps with pipe, German clamps, American clamps, wire hose clamps, single CHINAMFG bolt pipe clamps, Double bolt hose clamps, anchor screw, etc.
And can be customized according to customer needs, and most of the products are exported to South Korea, Australia, Japan, Spain, Germany, and other countries, we always believe that the “Quality first, Customer first” business purpose, can quickly provide the best solution.
Certifications
FAQ
Q1:Can I ask for a slight change in the design of the product according to our project?
A: Yes, we can do that, our factory production is very flexible.
Q2:Why choose us?
A: We have many years of manufacturing experience and outstanding customization capabilities. We have all the styles you want.
Q3:Can you print words on products as per the client’s requirement?
A: Yes, we can make labels according to your exact requirement.
Q4:Are you a manufacturer or trading company?
A: We are a trading and manufacturer combo in China.
Q5:Can the product be customized?
A: Of course, we can customize the size and style you want.
Q6:What is your packaging method?
A: PP bag + wooden plywood box
Q7: Can you provide a sample?
A: Yes, the sample is free of charge, pls contact us for more details.
Q8:What is your payment terms?
A: Generally our payment is TT, with a 30% deposit and balance against copy of B/L. Can be negotiated for large quantity.
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Diagnosing and Troubleshooting Rubber Coupling Issues
Diagnosing and troubleshooting problems with rubber couplings in machinery systems involves a systematic approach:
- Visual Inspection: Check for signs of wear, cracking, or deformation in the rubber elements.
- Vibration Analysis: Monitor vibration levels using sensors to identify excessive vibrations or irregular patterns.
- Noise Assessment: Listen for unusual noises during operation, which could indicate misalignment or worn components.
- Temperature Check: Monitor the operating temperature of the coupling, as overheating might indicate issues.
- Alignment Check: Ensure proper alignment between connected shafts to prevent excessive stress on the coupling.
- Torque Measurement: Measure the transmitted torque to identify any discrepancies from the expected values.
- Dynamic Testing: Conduct dynamic tests with load variations to identify performance issues.
- Comparative Analysis: Compare coupling behavior to baseline performance data.
If any issues are identified, they should be promptly addressed through proper maintenance, realignment, or replacement of damaged components.

Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.

Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.


editor by CX 2024-03-28