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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Durometer Hardness in Rubber Coupling Materials
Durometer hardness is a measure of the material’s resistance to indentation or penetration by a specified indenter. In rubber couplings, durometer hardness is a critical characteristic that influences their performance. It is typically measured using a durometer instrument.
The durometer hardness scale commonly used for rubber materials is the Shore durometer scale, indicated by a letter followed by a numerical value (e.g., Shore A, Shore D). Lower durometer values indicate softer and more flexible rubber, while higher values indicate harder and less flexible rubber.
In relation to rubber couplings:
- Higher Durometer (Harder Rubber): Couplings made from harder rubber materials have better torque transmission capabilities and higher load-bearing capacity. However, they may offer less vibration isolation and misalignment compensation.
- Lower Durometer (Softer Rubber): Couplings made from softer rubber materials provide greater flexibility, vibration damping, and misalignment compensation. They are suitable for applications where vibration reduction is crucial.
The choice of durometer hardness depends on the specific requirements of the application, including torque levels, vibration, misalignment, and desired performance characteristics.
Common Rubber Materials Used in Manufacturing Rubber Couplings
Various rubber materials are used in the manufacturing of rubber couplings, each chosen based on its specific properties and the intended application:
- Neoprene: Known for its oil and chemical resistance, neoprene rubber is used in couplings that require durability and resistance to harsh environments.
- Nitrile: Nitrile rubber offers excellent oil and fuel resistance, making it suitable for applications in machinery that involve contact with lubricants.
- Natural Rubber: Natural rubber provides good elasticity and flexibility, making it suitable for couplings requiring high levels of shock and vibration absorption.
- EPDM: Ethylene Propylene Diene Monomer (EPDM) rubber offers good resistance to weather, ozone, and aging, making it suitable for outdoor or high-temperature applications.
- Polyurethane: Polyurethane rubber offers high abrasion resistance and can handle higher load capacities, making it suitable for heavy-duty applications.
The choice of rubber material depends on factors such as the operating environment, chemical exposure, temperature range, flexibility requirements, and load conditions. Engineers select the appropriate rubber material to ensure the coupling’s performance and longevity in specific applications.
Role of Rubber Flexibility in Accommodating Misalignment
Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:
1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.
2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.
3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.
This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.
In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.
editor by CX 2024-04-23