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
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Suitability of Rubber Couplings for High-Speed Rotation and Varying Loads
Rubber couplings are generally well-suited for applications involving high-speed rotation and varying loads, thanks to their unique properties and design features.
High-Speed Rotation: Rubber couplings can effectively handle high-speed rotation due to their inherent flexibility and damping characteristics. The elastomeric material used in rubber couplings helps absorb and dissipate vibrations that can occur at high speeds, contributing to smoother operation and reduced wear on connected machinery components.
Varying Loads: Rubber couplings are capable of accommodating varying loads due to their ability to deform under stress. The flexibility of rubber allows it to absorb shocks and impacts caused by changes in load, preventing damage to connected equipment. This feature is particularly beneficial in applications where sudden changes in load can occur, such as in industrial machinery.
However, it’s important to consider the specific requirements of the application. While rubber couplings provide excellent vibration isolation and misalignment compensation, they may not offer the same level of torsional rigidity as some other coupling types. In cases where precise torque transmission is crucial, and minimal torsional deflection is required, other coupling options might be more suitable.
Overall, rubber couplings can provide reliable performance in applications involving high-speed rotation and varying loads, especially when the benefits of vibration damping and misalignment compensation are essential.
Signs of Wear or Deterioration in Rubber Couplings
Rubber couplings can show signs of wear and deterioration over time due to factors like torque, temperature, and environmental conditions. To identify potential issues, watch out for the following signs:
- Visible Cracks or Damage: Inspect the rubber element for visible cracks, tears, or physical damage. Such issues can weaken the coupling’s torque transmission and vibration damping capabilities.
- Reduced Flexibility: Stiff or less flexible rubber indicates material degradation, which can impact the coupling’s ability to accommodate misalignment and absorb vibrations.
- Increased Vibrations: Excessive machinery vibrations may suggest worn-out rubber couplings. Deterioration of the rubber diminishes its vibration dampening properties.
- Unusual Noises: Any unusual sounds like squeaking or knocking might point to improper rubber coupling function and the need for inspection.
- Altered Performance: Decline in machinery performance, such as reduced torque transmission or higher energy consumption, can indicate coupling wear.
Regular inspections, visual checks, vibration analysis, and performance monitoring can help detect wear and deterioration early. This enables timely replacement and avoids operational problems.
Main Advantages of Using Rubber Couplings in Industrial Applications
Rubber couplings offer several key advantages when used in industrial applications. These advantages make them a popular choice for various industries and mechanical systems:
- Misalignment Tolerance: Rubber couplings can accommodate angular, parallel, and axial misalignments between connected shafts, reducing the need for precise alignment during installation and operation.
- Vibration Damping: The rubber elements of these couplings absorb and dampen vibrations, minimizing the transmission of vibrations and shocks to other components. This helps prevent damage, wear, and noise generation.
- Shock Absorption: In systems where sudden shocks or impacts occur, rubber couplings absorb and cushion the impact, protecting connected components from damage.
- Noise Reduction: The ability to dampen vibrations also contributes to noise reduction, creating quieter operation environments for machinery and equipment.
- Equipment Protection: Rubber couplings protect sensitive equipment from excessive loads, vibrations, and shocks, enhancing the longevity and reliability of the system.
- Cost-Effectiveness: Compared to some other coupling types, rubber couplings are generally cost-effective to manufacture, purchase, and maintain.
- Easy Installation: The flexibility and design of rubber couplings make them relatively easy to install without the need for specialized tools or complex procedures.
- Minimal Maintenance: Rubber couplings require minimal maintenance and lubrication, reducing downtime and maintenance costs.
- Wide Range of Applications: Rubber couplings are versatile and find applications in various industries, including automotive, power generation, pumps, conveyors, and more.
In summary, the main advantages of using rubber couplings in industrial applications include their ability to tolerate misalignment, dampen vibrations, absorb shocks, reduce noise, protect equipment, cost-effectiveness, easy installation, low maintenance requirements, and suitability for a wide range of applications.
editor by CX 2024-05-07