Product Description

Customized Rubber Products & Parts Manufacturer

Product Description: 

Item Name Pipeline Rubber Expansion Joint
Application Building, Drainage, Metallurgy, Oil, Steel
Color Customized.Red,Orange, Black and White
Thickness 5mm ~ 50mm
Package According to Your Requirements
Certification RoHS, Reach, ISO9001, ISO14001,IATF16949
Processing Method Compression Molding
Service OEM and ODM Are Also Welcomed
Material Silicone. Other Rubber Materials are Available.
Sample Available. Trial Sample 7 to 20 days.
Payment T/T, Online Transfer, Western Union, L/C

 Rubber Hose Properties
1) EPDM: Heat-resistant (~ 150 centigrade), cold-resistant (~ sulfuration- 50 centigrade), excellent weatherability and resistance to ozone, long-term outdoor use, excellent electrical properties, acid and alkali resistant, water-resistant, high temperature steam resistant.
2) NBR: Excellent resistance to mineral oil performance. Different heat (~ +100 centigrade, even +120 centigrade) cold (- 20 to – 40 centigrade or even -60 centigrade)resistance. Good conductivity. Good adhesion to metal.

Rubber Hose Application
1) EPDM: Wire and cable, roof waterproofing membrane, automotive sealing, household appliances…(based on customer demand)
2) NBR: Seals (oil seals, O-rings, cups, etc. ), hydraulic hose, oil resistant hose, printing rubber roll, and many industrial and civilian oil resistant accessories.

Related Products:

About HangZhousun

HangZhousun Group
Total Number of Personnel:>350 staffs (as of June.24, 2571)
Total Production scale: >35000 square CHINAMFG

Head Office: HangZhousun Rubber & Plastic Technology Co.,Ltd
Founded: 2002
Location: HangZhou, ZheJiang
Main Business: Compression Molding Rubber Products & Parts, etc.

Branch Company: HangZhou Mingrui Intelligent Technology Co., Ltd
Established: 2018
Location: HangZhou, ZheJiang
Main Business: Molds, Refined Hardware, Intelligent Automation Equipment, etc.

Branch Company: ZheJiang Yousheng New Material Technology Co.,Ltd
Established: 2018
Location: HangZhou, ZheJiang
Main Business: Extrusion Molding Rubber Products & Parts, etc.  

R&D and Quality Control

HangZhousun’s R&D team has more than 120 staff ,and gathers CHINAMFG and creative experts and professors.
Keeping responsibility in mind, R&D team brings multiple capabilities, supports HangZhousun keep leading at rubber&plastics industry.
R&D team forms strict management system on each project in compliance with latest world scientific standard and requirements.

We strictly emphasize on quality and management control.
Our  R&D and production management follows TUV & IS014001 Environmental System. 
Beyond these, Our finished products meet approval of ISO9001, IATF16949 & UL quality control system.
HangZhousun can make our products meet standards as customer’s demand like CE, ROHS, REACH, CP65, PAHS, FDA, TSCA,etc.
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bellows coupling

Are There Specialized Bellows Couplings Designed for High-Speed or High-Torque Applications?

Yes, there are specialized bellows couplings designed to excel in high-speed or high-torque applications. These specialized couplings are engineered to meet the unique demands of such scenarios, providing optimal performance, reliability, and durability. Here’s how bellows couplings are tailored for high-speed and high-torque applications:

  • High-Speed Bellows Couplings: For high-speed applications, the primary consideration is reducing rotational inertia to minimize the effects of centrifugal forces. High-speed bellows couplings are crafted using lightweight materials, such as aluminum or titanium, to achieve lower inertia. The low inertia helps to minimize the risk of resonance and vibrations at elevated speeds, ensuring smooth operation. Additionally, these couplings undergo precise balancing to further enhance their suitability for high-speed applications.
  • High-Torque Bellows Couplings: High-torque applications demand couplings capable of transmitting substantial amounts of torque without failure. In such cases, bellows couplings are designed with robust materials, such as stainless steel or alloy steel, to handle the increased torque load effectively. The bellows structure is also engineered with thicker walls to improve torsional stiffness and torque transmission capabilities. Furthermore, the coupling’s design may incorporate multiple bellows to distribute the load evenly, preventing stress concentration on a single point.
  • Custom Engineering: Some high-speed and high-torque applications may require bespoke solutions. In such instances, manufacturers offer custom engineering services to tailor the bellows coupling’s dimensions, materials, and features to the specific requirements of the application. Customization ensures that the coupling can meet the stringent performance demands and environmental conditions of the particular high-speed or high-torque setup.

It is crucial to select the appropriate bellows coupling that matches the application’s exact specifications and operational parameters. Choosing the right coupling will ensure smooth operation, prevent premature wear, and optimize the efficiency and reliability of the entire system. When working with high-speed or high-torque applications, consulting with experienced coupling manufacturers or engineering experts can help in selecting the best-suited bellows coupling for the intended use.

bellows coupling

Are Bellows Couplings Suitable for Use in Corrosive or Harsh Environments?

Bellows couplings can be suitable for use in corrosive or harsh environments, depending on the material they are made from and their design. The choice of material is a crucial factor in determining the coupling’s resistance to corrosion and its ability to withstand harsh conditions.

Common materials used in manufacturing bellows couplings that offer good resistance to corrosion include stainless steel and other high-grade alloys. Stainless steel is known for its excellent corrosion resistance, making it well-suited for applications in harsh or corrosive environments.

In some cases, bellows couplings can be coated or treated with specialized coatings to further enhance their resistance to corrosion. These coatings can provide an additional layer of protection, allowing the coupling to perform effectively even in highly aggressive surroundings.

It’s essential to consider the specific environmental conditions and the type of corrosive agents present when selecting a bellows coupling for use in such environments. Proper material selection and the appropriate protective measures can ensure the longevity and reliability of the coupling under challenging conditions.

Additionally, it is essential to consult with coupling manufacturers or experts to identify the most suitable coupling material and design for the particular corrosive or harsh environment in question. Customized bellows couplings may be available to meet specific requirements, providing further versatility in addressing the challenges posed by corrosive or harsh conditions.

bellows coupling

How do Bellows Couplings Accommodate Misalignment and Axial Motion between Shafts?

Bellows couplings are designed to accommodate misalignment and axial motion between shafts while maintaining accurate torque transmission. The key features that enable this flexibility are the bellows element and the coupling’s construction.

1. Bellows Element: The bellows element is a thin-walled, corrugated metal tube with deep convolutions. When torque is applied to the coupling, the bellows element flexes, allowing for angular misalignment between the driving and driven shafts. The corrugations in the bellows provide the necessary flexibility while maintaining the overall structural integrity of the coupling.

2. Axial Motion Compensation: Bellows couplings can also accommodate axial motion between shafts. When there is axial displacement, the bellows compresses or extends, effectively compensating for the relative movement of the shafts along the axial direction. This feature is particularly beneficial in applications where shafts experience thermal expansion or contraction during operation.

3. Single and Multi-Bellows Designs: Bellows couplings are available in both single and multi-bellows designs. Single-bellows couplings offer greater flexibility and are suitable for applications with relatively low misalignments and axial motion. On the other hand, multi-bellows couplings provide enhanced flexibility and can accommodate higher levels of misalignment and axial motion.

4. Zero Backlash: Bellows couplings are designed to have minimal or zero backlash. Backlash refers to the play or clearance between the coupling’s components. Zero backlash ensures that there is no lost motion when reversing the direction of rotation, making bellows couplings ideal for precision motion control applications.

5. Reducing Side Loads: To ensure optimal performance and longevity, it is essential to minimize side loads on bellows couplings. Excessive side loads can cause premature wear and fatigue in the bellows element, leading to reduced coupling life.

Overall, bellows couplings provide excellent flexibility and compensatory capabilities, making them a preferred choice in applications where misalignment and axial motion are expected. The ability to handle these factors without compromising torque transmission or introducing backlash makes bellows couplings suitable for various industries, including robotics, automation, aerospace, and semiconductor manufacturing.

China supplier Compensator Pipeline Coupling Rubber Bellows CHINAMFG PVC Flexible Rubber Expansion Joint HDPE Pipe Fitting Reducing Coupling  China supplier Compensator Pipeline Coupling Rubber Bellows CHINAMFG PVC Flexible Rubber Expansion Joint HDPE Pipe Fitting Reducing Coupling
editor by CX 2024-02-29