Product Description
flexiable rubber coupling sleeve
OEM customized industrial non standard CZPT Sleeve, CZPT sleeve
We are a leading manufacturer of rubber products in China, OEM are welcome.
Rubber Sleeve Features,
1) Available material: Material for NBR, FKM, FPM, VITON(FKM)&Dow elastomers, Neoprene, HNBR, Natural rubber, SBR, IR, IIR(butyl rubber), ACM ect. An KTW approved for material EPDM.
2) All manufacturing processes confirm to the ISO/TS16949, SGS, RoHS, REACH
3) Customer’s design and specifications are accepted.
4) Color and shape can be changed CZPT request. Available in various sizes and colors.
5) Our professional R&D team can provide you higher quality products with competitive price and all documents such as PPAP, CONTROL PLAN, PFMEA etc.
6)Have advanced CNC machine and technique to cut bonding washer molds by ourself.
7)High and low temperature resistance, oil resistance, anti-ozone and aging, wearable, great flexibility etc
1, Material: NBR, CR, SBR, EPDM, IIR, HNBR, ACM, NR, EP, SIL, FKM etc.
2, Hardness: Between 30~90 shore A
3, Property: High/low temperature resistance, oil and fuel resistance, water resistance, weathering resistance, CZPT resistance etc.
4, Certification: ISO9001: 2008, RoHS, FDA
5, Packing: Plastic bag&carton box or according to your requirements.
6, Application: Automotive, Industrial, Medical, Agricultural etc.
7, According to your drawings or samples.
8. Temperature resistance: Between -250~+35 ° C
9, OEM or ODM is welcomed.
Our products include:
(1) Silicone extrusion parts.
(2) EPDM&PVC extrusion parts.
(3) Electrical apparatus fire resistance rubber parts.
(4) High and Low temperature resistant rubber parts.
(5) Electric conduct rubber parts.
(6) CZPT foam parts.
(7) NBR dense parts.
(8) Silicone,EPDM & PVC molded parts.
(9) Other special TPV,TPO,TPR,TPU,PP,ABS,CPVC,PVC/NBR extrusion parts.
| Material | NBR, CR, SBR, EPDM, IIR, HNBR, ACM, NR, EP, SIL, FKM etc. | |||||
| Hardress | Between 30~90 shore A | |||||
| Color and design | Any popular design according to the drawing, color with transparent, black and any other color as your requirements. OEM/ODM highly welcomed. | |||||
| Packing | Plastic bag&carton box or according to your requirements. | |||||
| Printing | sublimation or silk printing,etc | |||||
| Price | Price is based on size and quantity. Large and regular quantity will be in discount accordingly. | |||||
| Sample | Sample is free, buyer pay the mould and post charge. | |||||
| Delivery time | Based on the quantity, usually 12-20days | |||||
| Min order | 500pcs according to the requirements | |||||
| Payment | TT, west union | |||||
| Certification | ISO9001: 2008, RoHS, FDA | |||||
| Packing | Plastic bag&carton box or according to your requirements. | |||||
| Place of Origin | HangZhou,China | |||||
| Quality control | By third party | |||||
| Application | Automotive, Industrial, Medical, Agricultural etc. | |||||
| Property | High/low temperature resistance, oil and fuel resistance, water resistance, weathering resistance, CZPT resistance etc. | |||||
| Company | Hagoin company is specialized rubber products for several years, our website: hagoin , do believe that we can offer competitive price & quality With best service. | |||||
Our products apply to:
Aviation, marine ,electronic, petroleum, chemical, mechanical, electrical,and other industrial department of the good electrical insulating sealing, liquid transportation materials, building’s window and door ,furniture kitchen bath room ect .(seals, strips, gasket , edge guard seal, rubber sheet, pipe ,fender ,cover ,hose, grommet end cup ,edge scrim ect)
Materials of our Products :
EPDM.NBR.SILICON .PVC.TPE.TPV.TPO,TPR, TPU ,PP, ABS, CPVC. .all kinds of rubber and plastic
More you may want to know : )
1.We are factory, we are manufacturer, not trade company, so we can produce various windows and doors seal strip, seal product for you with cheaper price and even better quality, and we can delivery to you even faster !
2.We passed and have ISO 9001:2000 and TS16949 certificates.
3. We use top quality material.
4. We will strictly check and test the strips before deliverying to you to make sure all have perfect performance!
5. We can produce according to your design ,drawing, sample or any other special requirement.
6.We do will give you our top quality product, best service !

Can flexible couplings be used in food processing and pharmaceutical industries?
Yes, flexible couplings can be used in both the food processing and pharmaceutical industries under certain conditions. These industries have stringent requirements for equipment used in their processes, including hygienic design, cleanliness, and resistance to contamination. Here’s how flexible couplings can be used in these industries:
- Hygienic Design: In food processing and pharmaceutical applications, flexible couplings with hygienic designs are essential to prevent the accumulation of food particles, dust, or other contaminants. Stainless steel or FDA-approved materials are commonly used to ensure compliance with hygiene standards and ease of cleaning.
- Cleanability: The equipment used in food processing and pharmaceutical industries must be easily cleanable to maintain product purity. Flexible couplings with smooth surfaces and no crevices or pockets that can trap particles are preferred.
- Chemical Resistance: Some food processing and pharmaceutical applications involve the use of cleaning agents or chemicals. Flexible couplings must be resistant to these chemicals to prevent degradation and ensure long-term reliability.
- Corrosion Resistance: In food processing and pharmaceutical environments, equipment is often exposed to washdowns and sanitizing solutions. Flexible couplings made of corrosion-resistant materials can withstand these conditions and maintain their performance over time.
- Compliance with Standards: The food processing and pharmaceutical industries are subject to strict regulations and standards. Flexible couplings used in these industries should comply with relevant industry standards, such as FDA, EHEDG, or NSF standards.
- Non-Toxic Materials: Flexible couplings used in direct contact with food or pharmaceutical products must be made of non-toxic materials that will not contaminate the process.
- Resistant to Temperature Extremes: Some food and pharmaceutical processes involve extreme temperatures. Flexible couplings must be capable of withstanding high and low temperatures without compromising their integrity.
When selecting flexible couplings for food processing and pharmaceutical applications, it is essential to work closely with manufacturers and suppliers who understand the industry’s unique requirements. Customized solutions may be necessary to ensure that the couplings meet the specific needs of the application and comply with industry standards.
Summary: Flexible couplings can be used in food processing and pharmaceutical industries when they meet the necessary hygiene, cleanability, chemical resistance, corrosion resistance, compliance with standards, and temperature resistance requirements. Proper selection and application of flexible couplings can contribute to the efficiency and reliability of equipment in these critical industries.

Can flexible couplings be used in high-temperature environments, such as furnaces and kilns?
Flexible couplings can be used in high-temperature environments, such as furnaces and kilns, but the selection of the appropriate coupling is crucial to ensure reliable performance and longevity under these extreme conditions. Here are some key considerations:
- Material Selection: The choice of materials is critical when using flexible couplings in high-temperature applications. Look for couplings made from heat-resistant materials that can withstand the elevated temperatures without experiencing significant degradation. Common materials used for high-temperature couplings include stainless steel, high-temperature alloys, and certain types of elastomers designed for heat resistance.
- Lubrication: High temperatures can cause lubricants to break down or evaporate more quickly. Some flexible couplings may require specialized high-temperature lubricants to ensure smooth operation and reduce wear at elevated temperatures. Check the manufacturer’s recommendations for lubrication in high-temperature environments.
- Thermal Expansion: In high-temperature applications, the equipment and shafts may experience thermal expansion, leading to misalignment. Flexible couplings with higher misalignment capabilities may be necessary to accommodate these thermal effects and prevent additional stress on the system.
- Torsional Stiffness: Consider the required torsional stiffness for the specific application. In high-temperature environments, couplings may experience changes in stiffness due to temperature variations. It is essential to choose a coupling with appropriate torsional characteristics for the intended operating temperature range.
- Application Specifics: Evaluate the specific operating conditions of the furnace or kiln, including the maximum and fluctuating temperatures, vibration levels, and potential exposure to chemicals or other harsh elements. Choose a coupling that can withstand these conditions without compromising performance or safety.
- Coupling Type: Different types of flexible couplings offer varying degrees of heat resistance and performance capabilities. For example, certain types of disc couplings or metal bellows couplings are more suitable for high-temperature environments due to their robust construction and resistance to heat.
- Regular Maintenance: In high-temperature applications, couplings may be subject to more stress and wear. Regular inspection and maintenance are essential to monitor the coupling’s condition, lubrication, and alignment to ensure it continues to function optimally in the challenging environment.
Overall, flexible couplings can be utilized in high-temperature environments, but it is vital to choose a coupling specifically designed and rated for these conditions. Working closely with coupling manufacturers and considering the specific demands of the application will help ensure that the selected coupling can handle the challenges posed by furnaces, kilns, and other high-temperature equipment, providing reliable power transmission and contributing to the overall efficiency and safety of the system.

How do flexible couplings compare to other types of couplings in terms of performance?
Flexible couplings offer distinct advantages and disadvantages compared to other types of couplings, making them suitable for specific applications. Here is a comparison of flexible couplings with other commonly used coupling types in terms of performance:
- Rigid Couplings:
Rigid couplings are simple in design and provide a solid connection between two shafts, allowing for precise torque transmission. They do not offer any flexibility and are unable to compensate for misalignment. As a result, rigid couplings require accurate shaft alignment during installation, and any misalignment can lead to premature wear and increased stress on connected equipment. Rigid couplings are best suited for applications where shaft alignment is precise, and misalignment is minimal, such as in well-aligned systems with short shaft spans.
- Flexible Couplings:
Flexible couplings, as discussed previously, excel at compensating for misalignment between shafts. They offer angular, parallel, and axial misalignment compensation, reducing stress on connected components and ensuring smooth power transmission. Flexible couplings are versatile and can handle various applications, from light-duty to heavy-duty, where misalignment, vibration damping, or shock absorption is a concern. They provide a cost-effective solution for many industrial, automotive, and machinery applications.
- Oldham Couplings:
Oldham couplings are effective at compensating for angular misalignment while maintaining constant velocity transmission. They offer low backlash and electrical isolation between shafts, making them suitable for precision motion control and applications where electrical interference must be minimized. However, Oldham couplings have limited capacity to handle parallel or axial misalignment, and they may not be suitable for applications with high torque requirements.
- Gear Couplings:
Gear couplings are robust and can handle high torque levels, making them suitable for heavy-duty applications such as mining and steel mills. They offer good misalignment compensation and have a compact design. However, gear couplings are relatively more expensive and complex than some other coupling types, and they may generate more noise during operation.
- Disc Couplings:
Disc couplings provide excellent misalignment compensation, including angular, parallel, and axial misalignment. They have high torsional stiffness, making them ideal for applications where accurate torque transmission is critical. Disc couplings offer low inertia and are suitable for high-speed applications. However, they may be more sensitive to shaft misalignment during installation, requiring precise alignment for optimal performance.
- Conclusion:
The choice of coupling type depends on the specific requirements of the application. Flexible couplings excel in compensating for misalignment and vibration damping, making them versatile and cost-effective solutions for many applications. However, in situations where high torque, precision, or specific electrical isolation is necessary, other coupling types such as gear couplings, disc couplings, or Oldham couplings may be more suitable. Proper selection, installation, and maintenance of the coupling are essential to ensure optimal performance and reliability in any mechanical system.


editor by CX 2023-09-07