Product Description

Universal Coupling / Pipe Coupling/ Gibault Coupling
Range of Size:  1 1/2” – 32” (DN40-800mm)
Pressure : PN10/PN16 

1. Description: 

Universal Couplings offer an easy and economical way of joining pipe- whether the pipe is of the same nominal size and/or type or different at each couplings end .
Universal Couplings will handle most of waterworks couplings needs and are capable of connecting most classes of water pipe.

2. Application : 

*  used for pipe connection .
*  suit for Ductile Iron Pipe, Cast Iron Pipe, Steel, Asbestos Cement Pipe, PE, PVC, HDPE Pipe and etc.
*  Working pressure:  PN10 / PN16
*   Suit for Water, Neutral Liquids and Sewage

3. Features :

*   wide range of tolerance
*   corrosion resistance
*   allow angular deflection of +/- 4°

4. Material Sheet :

4.  List of Sizes :

S/N	Size	O.D Range	Sleeve Length	Bolts
	mm	mm	mm	mm
1	DN40	48-60	98	M12x170
2	DN50	59-73	98	M12x170
3	DN65	72-85	98	M12x170
4	DN80	88-103	98	M12x180
5	DN100	96-116	98	M12x180
6		108-120	98	M12x190
7		109-128	98	M12x180
8	DN125	132-146	98	M12x180
9		138-153	98	M12x180
10	DN150	158-172	105	M12x200
11		159-182	110	M12x200
12	DN175	192-210	130	M12x210
13	DN200	198-225	130	M12x210
14		218-235	130	M12x220
15	DN250	242-262	130	M12x220
16		250-267	130	M12x220
17		250-274	130	M12x220
18		272-289	130	M12x220
19	DN300	315-332	130	M12x220
20		322-339	130	M12x220
21	DN350	340-360	130	M12x220
22		351-378	130	M14x230
23		374-391	130	M14x230
24	DN400	390-410	130	M14x220
25		398-430	140	M14x270
26		417-437	130	M14x240
27		425-442	130	M14x240
28	DN450	450-463	130	M14x270
29		455-475	130	M14x270
30		476-500	130	M14x270
31	DN500	500-508	130	M16x270
32		500-533	140	M14x280
33		526-546	130	M14x270
34	DN600	600-630	130	M14x270
35		608-636	130	M14x270
36		630-650	130	M14x270
37	DN700	710-739	155	M16x280
38	DN800	816-842	180	M16x330

4. Project Cases :
 

5. Joint Series :

6. Company Profile :
 

HangZhou CHINAMFG Pipeline Co., Ltd is the professional chinese supplier and exporter of repair clamps and coupling for water lines with working pressure PN10/16 . The range of our products including Universal Coupling, Universal Flange Adaptor, Restraint Coupling, Restraint Flange Adaptor, Step Coupling, Repair Clamps and etc . 
Our product conform the international standard ISO2531, BS EN545 EN598 .
We export to many countries including USA, UK, Spain, Australia, Russia, Indonesia, Singapore, Malaysia and etc. 

7. Certificates : 

8. Contact us :
 

Maintenance Requirements for Flexible Flange Couplings

Proper maintenance is essential to ensure the optimal performance and longevity of flexible flange couplings. Regular inspections and maintenance routines can help detect and prevent potential issues before they escalate into major problems. Here are the key maintenance requirements for flexible flange couplings:

• Visual Inspections: Regularly inspect the coupling for any signs of wear, damage, or misalignment. Look for cracks, tears, or deformations in the elastomeric elements and ensure that the flanges are securely fastened.
• Lubrication: Some flexible flange couplings may require periodic lubrication at the flange interface or other moving parts. Check the manufacturer’s guidelines for the recommended lubrication schedule and use the appropriate lubricant.
• Torque Checks: Verify that the flange bolts or screws are tightened to the specified torque. Loose fasteners can lead to misalignment and reduce the coupling’s performance.
• Alignment: Ensure that the connected shafts are correctly aligned. Misalignment can cause increased stress on the coupling and lead to premature failure. If misalignment is detected, it should be corrected promptly.
• Environmental Protection: In harsh environments, such as those with high humidity, chemicals, or abrasive particles, consider implementing protective measures to shield the coupling from potential damage.
• Inspections After Shock Loads: If the coupling is subjected to shock loads or excessive stress, perform thorough inspections to check for any deformation or damage that may have occurred.
• Replace Worn Elements: Over time, the elastomeric elements of the coupling may wear out. Replace these elements when they show signs of deterioration to maintain the coupling’s performance.

It is important to follow the manufacturer’s maintenance guidelines and recommendations specific to the particular flexible flange coupling model being used. Regular maintenance not only ensures the coupling’s optimal performance but also enhances the safety of the overall mechanical system.

Where to Find Reputable Suppliers or Manufacturers of Flexible Flange Couplings for Your Specific Power Transmission Needs?

When looking for reputable suppliers or manufacturers of flexible flange couplings, consider the following steps:

1. Online Research: Start by conducting online research to identify companies that specialize in power transmission components, including flexible flange couplings. Look for manufacturers with a strong reputation, positive customer reviews, and a history of delivering high-quality products.
2. Industry Directories: Industry-specific directories and trade publications often feature listings of suppliers and manufacturers. These directories can be a valuable resource to find companies that offer flexible flange couplings tailored to your industry’s needs.
3. Trade Shows and Exhibitions: Attend trade shows and exhibitions related to power transmission, where you can meet suppliers in person, examine product samples, and discuss your specific requirements.
4. Referrals and Recommendations: Seek referrals or recommendations from industry peers, colleagues, or professionals who have experience with flexible flange couplings. Their insights can lead you to reliable suppliers.
5. Supplier Websites: Visit the websites of potential suppliers to gather detailed information about their products, manufacturing processes, certifications, and capabilities. Look for suppliers with a comprehensive product range and customization options.
6. Quality and Certifications: Verify if the supplier follows industry standards and has relevant certifications such as ISO, ASME, or API. These certifications demonstrate their commitment to quality and compliance.
7. Technical Support: Evaluate the technical support and customer service provided by the supplier. A reliable supplier should be responsive to your queries, offer guidance on selecting the right coupling, and provide after-sales support.
8. Sample and Testing: Request samples of the flexible flange couplings to evaluate their quality and suitability for your application. Some suppliers may also offer testing services to validate the performance of their products.
9. Price and Delivery: Obtain quotes from multiple suppliers to compare prices, delivery times, and shipping costs. However, prioritize quality and reliability over cost alone.

By following these steps, you can find reputable suppliers or manufacturers that can meet your specific power transmission needs with high-quality flexible flange couplings. Remember to conduct thorough research and consider factors beyond price to ensure you choose a supplier that can provide durable and efficient couplings for your application.

Key Design Considerations for Flexible Flange Couplings in Power Transmission Systems

When using flexible flange couplings in power transmission systems, several critical design considerations should be taken into account to ensure optimal performance, reliability, and longevity of the coupling:

• Misalignment Tolerance: One of the primary advantages of flexible flange couplings is their ability to compensate for misalignment between shafts. It is essential to determine the expected magnitude and type of misalignment (angular, parallel, or axial) that the coupling will encounter and select a coupling with appropriate misalignment tolerance.
• Torsional Stiffness: While flexible flange couplings offer some level of compliance to dampen vibrations, excessive torsional flexibility can lead to decreased system stability. Choosing a coupling with the right balance of flexibility and stiffness is crucial for maintaining the desired torsional characteristics.
• Torque Rating: The coupling’s torque rating must match or exceed the maximum torque requirements of the application. It is essential to consider the starting torque, peak torque, and continuous torque to avoid overloading the coupling.
• Speed Rating: The coupling’s speed rating should be suitable for the operating speed of the system. High-speed applications may require couplings designed to withstand higher centrifugal forces.
• Service Environment: Consider the environmental conditions in which the coupling will operate. Factors such as temperature extremes, presence of moisture or chemicals, and exposure to corrosive agents can impact the choice of materials and coatings for the coupling.
• Space Constraints: The available space for the coupling installation may dictate the coupling’s dimensions and design. It is essential to select a compact coupling that fits within the allocated space while maintaining the required performance.
• Material Selection: The choice of material for the flexible element (elastomeric, metallic, or composite) and the flanges should be based on factors such as torque requirements, misalignment compensation, and environmental compatibility.
• Dynamic Balancing: In high-speed applications, dynamic balancing of the coupling can help minimize vibrations and improve the overall system’s reliability and service life.
• Alignment: Although flexible flange couplings can tolerate misalignment, proper initial shaft alignment is still essential to reduce wear and maximize coupling life.
• Load Distribution: Ensure that the coupling distributes the transmitted load evenly between the shafts to prevent localized stress concentration and premature failure.

Conclusion: Selecting the right flexible flange coupling for a power transmission system requires careful consideration of various design parameters. By understanding the application’s requirements and the coupling’s capabilities, engineers can ensure that the coupling will perform optimally and reliably, leading to efficient power transmission and reduced maintenance needs.

editor by CX 2023-11-16