Product Description

Product Description

 

 

 Double ball rubber joint can be divided into single ball, double ball, different diameter body, curved ball and wind pressure coil. A tubular rubber piece consisting of an inner and outer rubber layer, a cord layer and a traveller is vulcanized and formed and then loosely combined with a metal flange or a parallel joint.

 

Product Parameters

 

Double sphere rubber bellows coupling is generally consist of the inner and the outer rubber layer and fabric reinforced layer (the enhancement layer has a multilayer spreading cord fabric), vulcanization molded in high temperature and high pressure , then assembly together with rubber tube and metal flange or parallel joint sleeve.

 

No.    Name                                           Material

1    Inner and outer rubber             NR,NBR,EPDM etc

2    Frame                                     Nylon cord fabric

3    Pressuring ring                        Steel wire

4    Flange                                    Stainless steel or Carbon steel                                                                    galvanized
 

 

Nominal diameter DN Length
mm
              Axial displacement Horizontal
displacement
(mm)
mm inch Extension(mm) Compression(mm)
20 ¾ 185 5~6 22 22
25 1 190 5~6 22 22
32 1 ¼ 200 5~6 22 22
40 1 ½ 220 5~6 22 22
50 2 220 5~6 22 22
65 2 ½ 265 8~10 24 24
80 3 285 8~10 24 24

Data above is only for reference, if  you want much more information, please contact us.

We have various types of molds and multiple sets rubber vulcanizing equipment, which can meet mass production and customization requirements.
 
 

Production process

 

 

products application

 

It can be widely used in hotels, factories, residential areas of the water heating pipeline system and circulating water pipeline, health pipeline, chemical anticorrosion and freezing pipeline.

 This product is widely used in chemical industry, construction, water supply and drainage, petroleum, heavy and light industry, refrigeration, sanitation, plumbing, fire protection, electric power and other basic engineering.According to different materials can be made of acid resistance, alkali resistance, corrosion resistance, oil resistance, high temperature resistance, radiation resistance, wear resistance, aging resistance and other varieties, to adapt to a variety of media and the environment.We can also do pressure testing.

 

Company Profile

        HangZhou Ruixuan pipeline equipment factory was founded in 1996.It  is an excellent  enterprise  specializing  in manufacturing  and selling pipe fittings.It’s located  in Xicun village ,HangZhou  city,ZheJiang province ,the concentrated  area  of pipeline equipment industry  in China.The  company factory  is located  in Xicun town pipeline equipment industrial park.It covered an area of20000  square  meters.

        At present, the company has the production capacity of pipeline equipment with a maximum diameter of 4000mm, and its main products are: Steel expansion joint, flexible waterproof sleeve, large diameter flange, double flange force transfer expansion joint, large deflection loose sleeve compensation joint, spherical compensation joint, sleeve compensator, bellows compensator, non-metallic compensator, rubber expansion joint, DC medium no thrust sleeve compensator, flexible expansion pipe and other pipeline equipment. The annual production capacity is 30 million sets.

        The flexible telescopic pipe equipment is mainly used in the pipeline crossing different geological structures under different conditions and the application of pipe installation drop, reduce or avoid the impact of geological settlement and crustal activity on the pipeline, so that the construction unit can save more than 50% of the cost when purchasing the equipment. The rubber expansion joint series products of the company, the maximum production diameter of 3600mm, have been applied in millions of units of thermal power projects in China for many times, and have been praised by the users.

       The company passed ISO9001:2008 quality management system certification in 2009 and ISO14000:2004 environmental management system certification in 2009. The company has a strict quality control system, standard production process, standard factory inspection hand section, to ensure that every product meets the national standards and customer requirements.

      Business philosophy: responsible production of products, return the trust of customers; To build a community with a sense of belonging and appreciate employees’ contributions; Make a contribution to the society of enterprises, give back to the good times. HangZhou Ruixuan pipeline equipment factory is willing to work with friends from all walks of life hand in hand, mutual support, create a better future!

 

Certifications

 

 

exhibition

 

 

FAQ

 

Q : Are you trading company or manufacturer?
A: We are manufacturer of rubber expansion joint,bellow, dismantling joint, dresser coupling, flange adapter and flange with more than 13-year experience.

Q: Do you have products catalog?
A: Yes, we have. Please tell me your email or instant messager, we will send our catalog.

Q: Can you provide drawings and technical data?
A: Yes, our professional technical department will design and provide drawings and technical data.

Q: Do you provide samples? Is it free or charged?
A: Yes, we can offer sample free but shipping charges covered by customer.

Q: How long is your delivery time?
A: Depends on QTY, but normally no more than 20 working days.

Q: Can the products be manufactuered by customer’s requirement?
A: Yes, the specifications stated above are the standard ones, we can design and manufacture as requirement. 

Q: Visting factory is allowed or not?
A: Yes, we welcome customers visiting our factory. Our factory is located HangZhou city,ZheJiang province,China mainland

 

mechanical coupling

Exploring the various materials used in manufacturing mechanical couplings.

Mechanical couplings are manufactured using a wide range of materials, each chosen based on specific application requirements. The choice of material impacts the coupling’s performance, durability, and suitability for different operating conditions. Here are some common materials used in manufacturing mechanical couplings:

1. Steel:

Steel is one of the most widely used materials for mechanical couplings due to its strength, durability, and cost-effectiveness. It is suitable for various applications, including high-torque and high-speed requirements. Stainless steel is often preferred for couplings in corrosive environments.

2. Aluminum:

Aluminum is known for its lightweight properties, making it suitable for applications where reducing weight is essential, such as in aerospace and automotive industries. However, aluminum couplings may have lower torque capacities compared to steel couplings.

3. Cast Iron:

Cast iron is used in couplings requiring high strength and wear resistance. It is commonly used in industrial machinery and heavy-duty applications.

4. Bronze:

Bronze is chosen for its excellent resistance to corrosion and its ability to handle high shock loads. Bronze couplings are often used in marine and hydraulics applications.

5. Brass:

Brass is used in couplings where electrical conductivity is required, such as in some electrical motor couplings.

6. Rubber and Elastomers:

Rubber and elastomers are used in flexible couplings to provide flexibility and vibration damping. They can absorb shocks and compensate for misalignments in various applications.

7. Polyurethane:

Polyurethane is commonly used in elastomeric couplings due to its excellent resilience, toughness, and resistance to wear.

8. Thermoplastics:

Thermoplastics like nylon and polyethylene are used in lightweight couplings with low torque requirements. They are known for their low friction and self-lubricating properties.

9. Composite Materials:

Composite materials, such as carbon fiber-reinforced polymers, are used in high-performance couplings where a balance of strength and weight is crucial.

10. Ceramic:

Ceramic couplings are used in extreme temperature and high-speed applications due to their excellent thermal and wear resistance properties.

The choice of material for a mechanical coupling depends on factors like the application’s operating conditions, load requirements, environmental factors, and cost considerations. Selecting the right material ensures that the coupling can perform reliably and efficiently in its intended application.

“`mechanical coupling

How to troubleshoot common issues with mechanical couplings and their solutions?

Mechanical couplings may experience various issues during their operational life. Identifying and troubleshooting these issues promptly is essential to ensure the optimal performance and reliability of the mechanical system. Here are some common coupling problems and their solutions:

1. Misalignment:

Issue: Misalignment between the connected shafts can lead to premature wear, vibration, and reduced efficiency.

Solution: Check and adjust the alignment of the shafts. Properly align the coupling using shims or adjustable couplings to eliminate misalignment. Regularly inspect and correct any misalignment to avoid further issues.

2. Excessive Vibration:

Issue: Excessive vibration can result from misalignment, worn components, or resonance within the system.

Solution: Inspect the coupling for signs of wear, corrosion, or misalignment. Replace worn or damaged components and ensure proper alignment. If resonance is causing vibrations, consider dampening solutions or changing the coupling type to one better suited to the application.

3. Overheating:

Issue: Overheating of the coupling may occur due to excessive friction or inadequate lubrication.

Solution: Check the coupling for proper lubrication and use the recommended lubricant as per the manufacturer’s guidelines. Ensure that the coupling is not overloaded, as excessive torque can lead to overheating. Reduce the load or choose a higher torque-rated coupling if necessary.

4. Backlash:

Issue: Backlash, also known as play or free movement between the coupling components, can affect precision and accuracy in certain applications.

Solution: For applications requiring minimal backlash, choose couplings with low or zero backlash characteristics, such as gear couplings or servo couplings. Regularly inspect and replace worn or damaged components that may contribute to increased backlash.

5. Noise:

Issue: Unusual noises, such as clanking or rattling, may indicate misalignment, worn components, or improper installation.

Solution: Conduct a thorough inspection of the coupling and associated components. Correct any misalignment, replace worn parts, and verify proper installation. Ensure that all fasteners are properly tightened.

6. Premature Wear:

Issue: Premature wear of coupling components can lead to reduced coupling life and system reliability.

Solution: Regularly inspect the coupling for signs of wear and damage. Implement a preventive maintenance program with scheduled inspections and lubrication. Follow the manufacturer’s guidelines for maintenance and installation to maximize the coupling’s lifespan.

By promptly addressing these common issues and implementing appropriate solutions, the mechanical system can operate smoothly, efficiently, and reliably with minimal downtime and maintenance requirements.

“`mechanical coupling

What are the key differences between rigid and flexible mechanical couplings?

Rigid and flexible mechanical couplings are two main types of couplings used in various engineering applications. They differ significantly in their design and capabilities, each offering distinct advantages and limitations:

1. Design and Construction:

Rigid Couplings: Rigid couplings are solid and inflexible, typically made from materials like steel or aluminum. They have a compact design and provide a direct, non-flexible connection between the shafts.

Flexible Couplings: Flexible couplings are designed to provide some degree of flexibility between the connected shafts. They often consist of elements made from elastomers, rubber, or flexible materials that can bend or deform.

2. Misalignment Compensation:

Rigid Couplings: Rigid couplings are not designed to accommodate misalignment between the shafts. Precise alignment is critical for their effective operation.

Flexible Couplings: Flexible couplings can compensate for axial, radial, and angular misalignments between the shafts, allowing them to remain connected even when not perfectly aligned.

3. Torque Transmission:

Rigid Couplings: Rigid couplings provide an efficient and direct transfer of torque between the shafts. They are ideal for high-torque applications.

Flexible Couplings: Flexible couplings transmit torque between the shafts while allowing for some torsional flexibility. The torque transmission may not be as efficient as in rigid couplings, but they are suitable for applications with moderate torque requirements.

4. Vibration Damping:

Rigid Couplings: Rigid couplings do not have inherent vibration damping properties.

Flexible Couplings: Flexible couplings can dampen vibrations and shocks caused by imbalances or dynamic loads, reducing wear on connected components and enhancing system stability.

5. Applications:

Rigid Couplings: Rigid couplings are commonly used in applications where precise alignment is critical, such as in machine tools, gearboxes, and other systems requiring high precision.

Flexible Couplings: Flexible couplings find applications in various industries, including pumps, compressors, conveyor systems, automotive powertrains, and wherever misalignment compensation or vibration absorption is needed.

6. Maintenance:

Rigid Couplings: Rigid couplings generally require less maintenance due to their solid and simple design.

Flexible Couplings: Flexible couplings may require occasional maintenance, such as checking and replacing the flexible elements to ensure proper functioning.

In summary, the choice between rigid and flexible couplings depends on the specific requirements of the application. Rigid couplings offer excellent torque transmission and precision but require precise alignment. Flexible couplings accommodate misalignment and dampen vibrations, making them suitable for a wider range of applications but may have slightly lower torque transmission efficiency compared to rigid couplings.

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China Hot selling Union Type Double Balls CZPT Rubber Mechanical Joint Coupling  China Hot selling Union Type Double Balls CZPT Rubber Mechanical Joint Coupling
editor by CX 2023-08-09