Product Description
Universal coupling
Enables the mechanical jointing of pipes made of different materials and of various outside diameters
Description
Wide outside diameter range: an average of 29 mm.
High performance
– Permanent leak tight joint when compressing the gasket between the end ring and the sleeve CHINAMFG the pipe surface
– Epoxy powder coating (250 μm) and Geomet 500 Gr. B for the bolts.
Ease and speed of installation:
– Angular deflection ± 5° by side.
– Absorbs expansion and contraction.
– Accommodates misalignment.
– Important setting gap.
Conformity to standards
– EN 14525 : Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U, PE, Fiber-cement.
– NF A 48-830: Foundry products – Spheroidal graphite cast iron fittings for PVC drinking water pipes under pressure,
– EN 545: Ductile iron pipes, fittings, accessories and their joints for water pipelines
– requirements and test methods,
– ISO 2531: Ductile iron pipes, fittings, and accessories and their joints for water applications.
Approval:- Drinking water approved (WRAS).
Note:
– This coupling does not resist to longitudinal forces and pipe pullout will occur. Ensure adequate restraint is provided.
– Not recommended for PE pipes.
Technical data
Range: DN 40 to 600.(Higher DN, please consult uUniversal coupling
Enables the mechanical jointing of pipes made of different materials and of various outside diameters
Description
Wide outside diameter range: an average of 29 mm.
High performance
– Permanent leak tight joint when compressing the gasket between the end ring and the sleeve CHINAMFG the pipe surface
– Epoxy powder coating (250 μm) and Geomet 500 Gr. B for the bolts.
Ease and speed of installation:
– Angular deflection ± 5° by side.
– Absorbs expansion and contraction.
– Accommodates misalignment.
– Important setting gap.
Conformity to standards
– EN 14525 : Ductile iron wide tolerance couplings and flange adaptors for use with pipes of different materials: ductile iron, Grey iron, Steel, PVC-U, PE, Fiber-cement.
– NF A 48-830: Foundry products – Spheroidal graphite cast iron fittings for PVC drinking water pipes under pressure,
– EN 545: Ductile iron pipes, fittings, accessories and their joints for water pipelines
– requirements and test methods,
– ISO 2531: Ductile iron pipes, fittings, and accessories and their joints for water applications.
Approval:- Drinking water approved (WRAS).
Note:
– This coupling does not resist to longitudinal forces and pipe pullout will occur. Ensure adequate restraint is provided.
– Not recommended for PE pipes.
Technical data
Range: DN 40 to 600.(Higher DN, please consult us)
Max. working pressure: PN 16
Temperatures: from
2. How soon can I get a price quote?
Once we know the Size, material, drive method we can provide you with 1 competitive price quote within 24 hours.
3. Can I get a sample?
Yes, the samples are free for you. But you need to offer 1 courier account NO. to afford the fee for samples shipping. The samples’ sending usually takes 5-7days.
4. How can my order produced by my brand?
Yes, you can. Pls offer your brand or LOGO design to us(.AI or.PSD format), then we could produce all goods with your brand or LOGO.
5. What’s your delivery time?
Except our legal holiday, it will take 2-4 weeks for us to finish all your orders’ production.
6. Is there a minimum order requirement?
Due to the high machine setup cost and shipping freight, our minimum order quantity is 5pcs
7. Do you have butterfly valve related accessories?
Yes, we have. We have accessories: pneumatic actuators, electric actuators, limit switches, solenoid valves, etc.
8. Will you match competitors’ prices?
If you find a lower price elsewhere for the exact same specification, we will meet or beat that price as long as it is a little higher than our cost price.
9. What are your terms of delivery?
We accept FOB, CIF etc. You can choose the 1 which is the most convenient or cost effective for you.
10. Where can I meet you by face to face?
A,Our headquarter is located in ZheJiang , if you travel to ZheJiang , you can visit our office at any time, we could pick you up from your location in ZheJiang and ZheJiang .
B,Our factories are located in ZheJiang and HangZhou, welcome to visit our factory before you cooperate with us.
C,We will attend China Spring Canton Fair and China Autumn Canton Fair every year, welcome to visit our booth at that time.
11. How can I be your sole agent in our country?
Welcome you to become our sole agent firstly. According to different countries’ demand, if your yearly purchase quantity from us can reach 10000 to 30000 pcs you could be our sole agent in your country. If you wanna know exact quantity requirement for each country, pls feel free to contact us at any time.
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Specific Safety Considerations when Using Universal Couplings
Universal couplings are essential components in many mechanical systems, and their proper use is critical for the safety of personnel and the integrity of the equipment. Here are some specific safety considerations when using universal couplings:
- Regular Inspections: Perform routine inspections of the universal coupling to check for signs of wear, damage, or misalignment. Any issues should be addressed promptly to prevent potential accidents.
- Proper Installation: Ensure that the universal coupling is installed correctly and securely. Follow the manufacturer’s guidelines and torque specifications for tightening bolts, set screws, or clamps.
- Shaft Locking Mechanisms: If the universal coupling uses set screws or clamps to secure the shafts, ensure that these locking mechanisms are adequately tightened and checked periodically to prevent shaft slippage during operation.
- Correct Coupling Selection: Choose the appropriate universal coupling based on the specific application’s torque, speed, and misalignment requirements. Using an undersized coupling can lead to premature failure and safety hazards.
- Misalignment Limits: Stay within the manufacturer’s specified misalignment limits for the universal coupling. Excessive misalignment can lead to increased stress on the coupling and connected components, potentially causing failure.
- Guarding and Enclosure: If the universal coupling is exposed or accessible to personnel, consider installing guarding or enclosures to prevent accidental contact and reduce the risk of injury.
- Training and Awareness: Ensure that personnel working with or around machinery equipped with universal couplings receive proper training and understand the potential hazards associated with these components.
- Maintenance and Lubrication: Follow a regular maintenance schedule and lubricate the universal coupling as recommended by the manufacturer. Proper lubrication reduces friction and wear, contributing to safe and reliable operation.
- Emergency Stop: Equip the machinery with an emergency stop system that allows operators to quickly shut down the equipment in case of an emergency or abnormal condition.
- Consult the Manufacturer: If there are any concerns or questions about the safety aspects of using a universal coupling in a specific application, consult the manufacturer or a qualified engineer for guidance.
By adhering to these safety considerations and implementing proper installation, maintenance, and operational practices, the use of universal couplings can be safer and more effective in power transmission applications.
How do you select the right half coupling material based on the fluid or gas being conveyed?
When choosing the right half coupling material for a specific fluid or gas conveyance application, several factors need to be considered. The material selection is critical to ensure compatibility with the conveyed substance, prevent corrosion, and maintain the overall integrity of the coupling. Here are the steps to help select the appropriate half coupling material:
1. Identify the Conveyed Fluid or Gas: Determine the type of fluid or gas that will flow through the system. Consider factors such as the chemical composition, temperature, pressure, and whether it is corrosive or abrasive.
2. Check Material Compatibility: Ensure that the material of the half coupling is compatible with the conveyed substance. Some fluids or gases may react with certain materials, leading to corrosion or contamination. For example, corrosive chemicals may require corrosion-resistant materials such as stainless steel.
3. Consider Temperature and Pressure: High temperatures and pressures can affect the mechanical properties of the coupling material. Ensure that the selected material can withstand the operating conditions without compromising its structural integrity.
4. Corrosion Resistance: If the conveyed substance is corrosive, select a material that offers high corrosion resistance. Stainless steel, for instance, is known for its excellent corrosion resistance properties.
5. Abrasion Resistance: For applications involving abrasive fluids or gases, choose a material that can withstand wear and erosion. Hardened materials or those with protective coatings may be suitable.
6. Compliance with Standards: Consider whether there are specific industry standards or regulations that dictate the choice of material for certain applications. Ensure that the selected material meets these standards, especially in critical industries like food, pharmaceuticals, or petrochemicals.
7. Budget and Availability: Take into account the cost of the material and its availability. Some specialized materials may be more expensive or harder to obtain, so it’s essential to balance performance requirements with budget constraints.
8. Seek Expert Advice: If unsure about the best material choice, consult with coupling manufacturers or industry experts who can provide guidance based on the specific application requirements.
By carefully considering the conveyed fluid or gas, the operating conditions, and the material properties, it is possible to select the right half coupling material that ensures reliable and safe conveyance in the system.
Can Universal Couplings Accommodate Misalignment in Shafts and Drives?
Yes, universal couplings are specifically designed to accommodate misalignment between shafts and drives. The unique design of universal couplings allows them to transmit torque and rotation between two shafts that are not in perfect alignment with each other. There are two primary types of misalignment that universal couplings can handle:
- Angular Misalignment: Universal couplings can handle angular misalignment, which occurs when the shafts are not in line with each other and form an angle. The design of the universal joint allows it to bend and flex at different angles, allowing the shafts to stay connected and transmit torque even when they are not perfectly aligned.
- Parallel Misalignment: Universal couplings can also handle parallel misalignment, which occurs when the two shafts are not perfectly parallel to each other. The flexible nature of the universal joint allows it to compensate for small variations in parallel alignment, ensuring that the shafts remain connected and transmit power efficiently.
By accommodating misalignment, universal couplings help to reduce stress on the shafts and other connected components, thus preventing premature wear and failure. They are commonly used in various applications, including automotive drivetrains, industrial machinery, marine propulsion systems, and aerospace equipment, where misalignment is inevitable due to the dynamic nature of the systems.
editor by CX 2024-04-25