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.
Proper Installation and Alignment of Flange Couplings
Installing and aligning a flange coupling properly is crucial to ensure its optimal performance and to prevent premature wear or failure. Here are the steps to follow for a successful installation:
- Prepare the Components: Before starting the installation, ensure that all the components, including the flange coupling, shafts, and fasteners, are clean and free from dirt or debris. Inspect the coupling for any visible damage or defects.
- Check Shaft Alignment: Verify the alignment of the shafts before installing the flange coupling. Misalignment can lead to increased stresses on the coupling and other connected equipment.
- Use Proper Lubrication: Apply the recommended lubricant to the contact surfaces of the flange coupling. Proper lubrication reduces friction and wear, enhancing the coupling’s lifespan.
- Align the Flange Coupling: Position the flange coupling between the shafts and ensure that the bolt holes are aligned with the corresponding holes in the shafts.
- Insert Fasteners: Insert the bolts or screws through the bolt holes and hand-tighten them. Avoid fully tightening any fasteners at this stage.
- Check Runout: Measure the runout of the coupling during rotation to verify that it is within acceptable limits. Excessive runout indicates a misaligned coupling.
- Properly Torque Fasteners: Using a torque wrench, tighten the fasteners in a cross-pattern to the manufacturer’s recommended torque values. This ensures even distribution of the load and prevents distortion of the flange coupling.
- Recheck Alignment: After torquing the fasteners, recheck the shaft alignment to ensure it has not shifted during the tightening process.
- Inspect the Assembly: Conduct a final visual inspection of the installed flange coupling and surrounding components to verify that everything is properly aligned and secured.
- Perform Test Run: Run the equipment with the newly installed flange coupling under no-load conditions initially to check for any unusual vibrations or noises.
- Monitor Performance: During the initial operation and throughout regular use, monitor the flange coupling’s performance and check for signs of wear, misalignment, or other issues.
Professional Installation: If you are unsure about the installation process or need to install a flange coupling in a complex system, consider seeking assistance from a qualified professional or coupling manufacturer’s technical support team. Proper installation is essential for ensuring the long-term reliability and performance of the flange coupling and the connected equipment.
Flange Couplings and Variable Operating Conditions
Flange couplings are designed to accommodate a wide range of operating conditions and loads, making them versatile and suitable for various applications. The key factors that enable flange couplings to handle variable operating conditions and loads include:
- Flexible Design: Some flange couplings, such as flexible flange couplings or disc couplings, are designed to have some degree of flexibility. This flexibility allows them to compensate for misalignment between shafts, which is often encountered in real-world applications.
- Material Selection: Flange couplings are available in different materials to suit specific operating conditions. For example, stainless steel flange couplings are ideal for corrosive environments, while high-strength steel couplings are suitable for heavy-duty applications.
- Customization: Many flange coupling manufacturers offer customization options to tailor the coupling’s design to meet specific requirements. This may include modifying the coupling’s size, material, or torque capacity.
- Load Distribution: Flange couplings are designed to distribute loads evenly between the connected shafts. This even distribution of load helps prevent premature wear and reduces stress on the shafts and other connected equipment.
- High Torque Capacity: Flange couplings are available in various designs, including those suitable for high torque applications. This allows them to handle varying levels of torque without compromising performance.
- Temperature and Environmental Resistance: Flange couplings made from appropriate materials can withstand a wide range of temperatures and environmental conditions, making them suitable for both indoor and outdoor applications.
It is essential to consider the specific requirements of your application and the potential variations in operating conditions and loads when selecting a flange coupling. This ensures that the chosen coupling can reliably and efficiently transmit power while accommodating any changes in the operating environment.
Can Flange Couplings Accommodate High Torque and High-Speed Applications?
Yes, flange couplings are designed to accommodate both high torque and high-speed applications. They are capable of transmitting significant amounts of torque between shafts while maintaining stable and efficient power transmission. The ability to handle high torque and high-speed applications depends on various factors, including the design, material, and size of the flange coupling.
1. Design: Flange couplings are available in different designs, such as rigid flange couplings and flexible flange couplings. Rigid flange couplings are more suitable for applications that require precise shaft alignment and minimal misalignment. On the other hand, flexible flange couplings can accommodate slight misalignments and are suitable for applications where shock or vibration may occur. The design of the coupling is crucial in determining its torque and speed capabilities.
2. Material: Flange couplings are manufactured from various materials, including steel, stainless steel, aluminum, and other alloys. The material selection is essential in determining the coupling’s strength, durability, and resistance to wear and fatigue. High-quality materials are used in flange couplings for high torque and high-speed applications to ensure their reliability and performance.
3. Size and Dimensions: The size and dimensions of the flange coupling play a significant role in determining its torque and speed ratings. Larger flange couplings with increased diameter and thickness can handle higher torque and speed compared to smaller couplings. It is essential to choose the appropriate size of the coupling based on the application’s torque and speed requirements.
4. Surface Finish: The surface finish of the flange coupling is critical, especially in high-speed applications. A smooth surface finish reduces friction and wear between the mating surfaces of the flanges, bolts, and nuts, thereby improving the overall efficiency of the coupling.
5. Lubrication: Proper lubrication is essential for flange couplings in high-speed and high-torque applications. Lubricants help reduce friction and wear, dissipate heat, and prevent premature failure of the coupling components.
6. Manufacturer’s Recommendations: It is crucial to follow the manufacturer’s recommendations and guidelines regarding the maximum torque and speed ratings of the flange coupling. Exceeding the recommended limits can lead to coupling failure and potential damage to the connected equipment.
In conclusion, flange couplings can be effectively used in high torque and high-speed applications when selected and maintained properly. Choosing the right design, material, size, and adhering to the manufacturer’s guidelines ensures that the flange coupling can handle the required torque and rotational speed efficiently and reliably.
editor by CX 2023-12-13