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 :
 

Handling Angular and Axial Misalignments with Flexible Flange Couplings

Yes, flexible flange couplings are designed to handle both angular and axial misalignments simultaneously. These couplings use flexible elastomeric elements between the flanges, allowing them to accommodate different types of misalignments that may occur during the operation of rotating machinery.

Angular Misalignment: When the shafts are not perfectly aligned and form an angle with each other, it results in angular misalignment. Flexible flange couplings can tolerate a certain degree of angular misalignment due to the flexibility of the elastomeric elements. As the shafts rotate and the angle changes, the elastomeric material can flex and adapt to the varying positions, transmitting torque smoothly without inducing excessive stress on the machinery.

Axial Misalignment: Axial misalignment occurs when the shafts are not in the same straight line along their axis. This type of misalignment can lead to axial movement of the shafts relative to each other during operation. Flexible flange couplings can also handle axial misalignment to some extent due to the elastomeric material’s ability to absorb and compensate for the axial movements. This helps to prevent additional forces or loads being transmitted to the connected equipment and minimizes wear on the coupling itself.

It is important to note that while flexible flange couplings can accommodate certain degrees of misalignment, excessive misalignment beyond their specified limits can still cause premature wear and reduce the coupling’s efficiency. Therefore, it is crucial to install and operate the couplings within the manufacturer’s recommended tolerances for angular and axial misalignments to ensure their optimal performance and longevity.

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.

Accommodation of Misalignment and Vibration Damping in Flexible Flange Couplings

Flexible flange couplings are designed to accommodate misalignment and provide vibration damping during operation, making them suitable for various industrial applications. The following features enable these capabilities:

• Elastomeric Flexibility: Flexible flange couplings often use elastomeric materials, such as rubber or polyurethane, as the flexible element. These materials offer excellent flexibility, allowing the coupling to compensate for both angular and parallel misalignment between the connected shafts. The elastomeric element deforms under misalignment, preventing excessive loads and stress on the shafts and other connected components.
• Torsional Compliance: The elastomeric flexibility of the coupling also provides torsional compliance. During operation, the elastomer can twist and flex to absorb torsional vibrations and shocks generated by the connected machinery. This helps reduce the transmission of vibrations and prevents them from propagating throughout the system, leading to smoother and quieter operation.
• Flange Design: The flanges of flexible flange couplings are typically designed with a series of bolts or screws that secure the elastomeric element between them. The design of the flanges allows for limited axial movement, enabling the coupling to compensate for axial misalignment. This is particularly beneficial in applications where there may be some axial movement or thermal expansion of the shafts.
• Resilient Bushings: Some flexible flange couplings use resilient bushings or inserts within the flange bolt holes. These bushings add an extra layer of vibration damping and help minimize the transmission of shock loads from one shaft to another. The bushings also assist in absorbing radial and axial vibrations, contributing to smoother operation.
• Balanced Design: Properly balanced flexible flange couplings minimize vibrations by ensuring that the center of mass coincides with the rotational axis. This helps prevent excessive vibrations due to uneven distribution of mass, which can occur during rotation at high speeds.

By accommodating misalignment and providing vibration damping, flexible flange couplings enhance the overall reliability and performance of mechanical systems. They help protect machinery from excessive loads and stresses, reduce wear and tear on components, and improve the service life of the entire system.

editor by CX 2023-11-16