Product Description
Product Description
Rubber joints are mainly used in food pipelines, so the material of food-grade rubber soft joints must be non-toxic and odorless.
All the rubber joints produced by our company are made of imported silicone collagen materials. Using scientific production technology, the batch method is used to produce raw rubber, aiming at the high tear resistance and high transparency of gas-phase rubber, the super-high and low hardness of mixtures, and their functionality. High-quality silica gel tube produced by mixing rubber and other characteristics, this product has a wide range of adaptability.
Product Parameters
Material of parts
NO Name Material
1 Flange Q235
2 Outer/inner rubber NR,NBR,EPDM
3 Key frame Nylon cord fabric
4 Pressurized ring Steel wire strand
| DN(mm) | Inch(mm) | Length | Axial displacement(mm) | Horizontal displacement | Angle of deflection | ||
| Extension | Compression | ||||||
| 32 | 1 ¼ | 95 | 6 | 9 | 9 | 15° | |
| 40 | 1 ½ | 95 | 6 | 10 | 9 | 15° | |
| 50 | 2 | 105 | 7 | 10 | 10 | 15° | |
| 65 | 2 ½ | 115 | 7 | 13 | 11 | 15° | |
| 80 | 3 | 135 | 8 | 15 | 12 | 15° | |
| 100 | 4 | 150 | 10 | 19 | 13 | 15° | |
| 125 | 5 | 165 | 12 | 19 | 13 | 15° | |
| 150 | 6 | 180 | 12 | 20 | 14 | 15° | |
| 200 | 8 | 210 | 16 | 25 | 22 | 15° | |
| 250 | 10 | 230 | 16 | 25 | 22 | 15° | |
| 300 | 12 | 245 | 16 | 25 | 22 | 15° | |
| 350 | 14 | 255 | 16 | 25 | 22 | 15° | |
| 400 | 16 | 255 | 16 | 25 | 22 | 15° | |
| 450 | 18 | 255 | 16 | 25 | 22 | 15° | |
| 500 | 20 | 255 | 16 | 25 | 22 | 15° | |
| 600 | 24 | 260 | 16 | 25 | 22 | 15° | |
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.
Technical Conditions
| Type | I | I I | I I I |
| Working pressure | 1.0(10) | 1.6(16) | 2.5(25) |
| Explosion pressure | 2.0(20) | 3.0(30) | 4.5(45) |
| Vacuum | 53.3(400) | 86.7(650) | 100(750) |
Applicable Tempefture -15ºC~+80ºC,Special reachable-30ºC~+160ºC
Applicable Media “Air,water,sea water,vacuum,hot water,oil,acid,alkali,etc.”
Production process
products application
Product application
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
1) How can I get more details about your products?
You can send an email to our email address. We will provide catalogue and pictures of our products for your reference.We can also supply pipe fittings, bolt and nut, gaskets etc. We aim to be your piping system solution provider.
2) How can I get some samples?
If you need, we will offer you samples for free, but new customers are expected to pay express charge.
3) Do you provide customized parts?
Yes, you can give us drawings and we will manufacture accordingly.
4) I can’t see the goods or touch the goods, how can I deal with the risk involved?
Our quality management system conforms to the requirement of ISO 9001:2015 verified by DNV. We are absolutely worth your trust. We can accept trial order to enhance mutual trust.
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Impact of Elastomer Element Design on Rubber Coupling Performance
The design of the elastomer elements in a rubber coupling plays a critical role in determining its overall performance and capabilities. The elastomer elements are the heart of the coupling, responsible for transmitting torque, absorbing vibrations, and accommodating misalignments. The following aspects of elastomer element design significantly impact the coupling’s performance:
- Elastomer Material: The choice of elastomer material influences the coupling’s flexibility, damping characteristics, and resistance to wear. Different elastomers offer varying levels of resilience, chemical resistance, and temperature tolerance. Common elastomers used include natural rubber, synthetic rubber compounds, and polyurethane.
- Elastomer Hardness (Durometer): The durometer hardness of the elastomer affects its flexibility and ability to absorb vibrations. Softer elastomers have higher damping capabilities but may offer less torsional stiffness. Harder elastomers provide better torque transmission but may have reduced vibration isolation.
- Elastomer Shape and Geometry: The shape and geometry of the elastomer elements influence their flexibility and deformation characteristics. Different designs, such as cylindrical, star-shaped, or spider-shaped elements, affect the coupling’s ability to accommodate misalignments and transmit torque smoothly.
- Elastomer Bonding: The way the elastomer is bonded to the coupling’s hubs or inserts impacts the coupling’s overall durability and reliability. Proper bonding ensures that the elastomer effectively transfers torque and maintains its properties over time.
- Elastomer Properties Over Temperature: Elastomers can exhibit changes in performance with temperature fluctuations. Understanding how the chosen elastomer material behaves at different temperatures is essential for applications with varying operating conditions.
The design of the elastomer elements is a delicate balance between providing flexibility for vibration isolation and misalignment compensation while ensuring adequate torque transmission and overall coupling stiffness. Engineers must carefully select elastomer materials and design features based on the specific requirements of the application to achieve optimal coupling performance.
Comparison of Rubber Couplings with Other Flexible Coupling Types
Rubber couplings, elastomeric couplings, and disc couplings are all flexible coupling options used in various mechanical systems. Here’s a comparison of rubber couplings with these alternatives:
Rubber Couplings:
- Transmit torque while damping vibrations through the flexibility of rubber elements.
- Provide good misalignment compensation and shock absorption.
- Relatively simple construction and cost-effective.
- Effective in reducing noise and vibration in applications.
- Suitable for moderate to high torque applications with moderate misalignment.
Elastomeric Couplings:
- Similar to rubber couplings, utilize elastomeric materials for flexibility and vibration damping.
- Offer higher torque capacity and stiffness compared to rubber couplings.
- Provide better misalignment compensation and torsional stiffness.
- Wider range of sizes and configurations for various applications.
- Commonly used in pumps, compressors, and other machinery.
Disc Couplings:
- Use a series of metal discs to transmit torque and accommodate misalignment.
- Offer high torsional stiffness and accuracy in torque transmission.
- Can handle higher speeds and torque compared to rubber or elastomeric couplings.
- Require precision in manufacturing and installation.
- Used in applications requiring high precision and minimal backlash.
When choosing between these flexible coupling types, considerations such as torque requirements, misalignment compensation, torsional stiffness, and application-specific needs play a significant role in making the appropriate selection. Each type has its advantages and limitations, making it important to assess the specific requirements of the machinery system.
Transmitting Torque and Damping Vibrations with a Rubber Coupling
A rubber coupling utilizes its flexible rubber element to achieve both torque transmission and vibration damping:
1. Torque Transmission: The rubber element connects two hubs, which are attached to the input and output shafts. As the input shaft rotates, it causes the rubber element to deform due to the applied torque. This deformation creates a shearing action within the rubber material, transmitting torque from the input to the output shaft.
2. Vibration Damping: The flexible rubber element of the coupling acts as a vibration isolator. When the coupling experiences external vibrations or shocks, the rubber absorbs the energy and dampens the vibrations before they reach the output shaft. The rubber’s elasticity and damping properties help mitigate vibrations and reduce the impact on the connected machinery, enhancing overall system performance and longevity.
This combination of torque transmission and vibration damping makes rubber couplings suitable for applications where misalignment compensation, shock absorption, and dampening of vibrations are essential, such as in pumps, compressors, HVAC systems, and various industrial machinery.
editor by CX 2024-04-25