Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of fluorine rubber va water seals in China, also supports customized service. Please feel free to buy high quality fluorine rubber va water seals for sale here from our factory.
Products Description
Fluorine rubber VA water seals are VA-type seals made of fluoro rubber (FKM) material, mainly used for waterproofing and sealing shaft components.
Advantages
- Low friction and low torque resistance, reducing energy loss.
- No need for special treatment of the shaft, easy installation.
- Customizable size and material according to drawing requirements.
Sealing Principle
Rubber VA water seals form a tight axial seal by directly fitting onto the rotating shaft, using the elasticity of rubber. Its flexible sealing lip can gently contact the opposing surface, thus achieving a reliable sealing effect. As the rotation speed increases, the contact pressure of the sealing lip decreases due to centrifugal force, thereby reducing friction and heat generation.
| FKM 75 | ||||
| Property | Unit | Test Method | Test Parameter | Value |
| Hardness | Shore A | ASTM D 2240 | 77 +3/-2 | |
| Specific Gravity | g/cm3 | ASTM D 297 | 2.05 | |
| Tensile Strength | MPa | ASTM D 412 | 132 | |
| Ultimate Elongation | % | ASTM D 412 | 166 | |
| Compression Set | % | ASTM D 395 B | 22h / 200°C | 17 |
| Low temp. resistance | °C | ASTM D 1329 | TR10 | -18 |
Design and Application of Fluorine Rubber VA Water Seals
Structural Design: The VA-type water seal is a V-type shaft seal, suitable for sealing rotating or stationary shafts, with a maximum linear speed of 20 m/s and a maximum pressure of 0.03 MPa (0.3 bar). Its running surface must meet specific hardness (HRC30) and roughness (Ra≤0.8 μm) requirements.
Applicable Media: Mainly used in water, grease, and other environments. For example, the applicable temperature range of fluoro rubber in water is +5°C~+80°C, which is slightly lower than +5°C~+100°C of nitrile rubber (NBR), but fluoro rubber is better in oil resistance and chemical resistance.
Application Areas: Commonly used in agricultural machinery, automotive industry, cement equipment,t and other shaft sealing scenarios that require waterproofing and corrosion resistance.
Why Choose Our Fluororubber VA Water Seals?
Strict quality control: 100% raw material testing + fully automatic production line to ensure batch consistency.
Professional customization: support non-standard size, structure, and material optimization to meet personalized needs.
Quick response: spot reserve + flexible supply chain to provide efficient delivery services.
Consult now to get your exclusive sealing solution!
Advantages of Linde Polymer
Selected raw materials, safe and environmentally friendly
1. The rubber materials are from renowned brands such as DuPont, Dow Corning, and JSR.
2. All products are produced by national standards, AS568, JIS, and other standards, and the materials have passed third-party professional certifications such as ROHS, REACH, and FDA.
3. The products are fine, the molds are high-precision, and there are no burrs or bumps.
Advanced equipment and mature technology
1. Adopt a precise production vulcanizing unit and a high-precision CNC machining center.
2. The company has a complete set of production processes to ensure the sealing and stable quality of the products.
Precision testing, quality control
1. Precision testing instruments ensure the qualified rate of products and check every level to prevent defective products from being delivered to customers.
2. Strict control of the production process to achieve pre-prevention, process control, and traceability afterward.
Value-added services, worry-free after-sales
1. Have a complete supply chain management, implement an effective cargo delivery plan, and ensure on-time delivery.
2. Provide value-added services such as early product participation, product design, material development, and secondary processing, such as grinding or spraying, special packaging, and assembly.
3. Provide customers with rapid rubber parts prototype trial production (rapid test).
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