Linde Polymer Tec Co.,Ltd. is one of the most experienced manufacturers and suppliers of butterfly valve rubber seals in China, also supports customized service. Please feel free to buy high quality butterfly valve rubber seals for sale here from our factory.
Butterfly Valve Rubber Seals Description
| Material | NBR |
| Elongation | ≥300-800% |
| Hardness | 45-65 Shore A |
| Rebound rate | 5-65% |
Introduction
Butterfly valve rubber seals are seals used for butterfly valves and are usually made of rubber material. They have good elasticity and sealing properties, which can ensure reliable sealing of butterfly valves and prevent fluid leakage.
Butterfly valve, as a key fluid control equipment, is widely used in various industrial fields. The performance and reliability of butterfly valves directly affect the safety and efficiency of the production process.
Applicable working conditions
1. Temperature: Butterfly valve rubber seals are suitable for environments with a wide temperature range, such as normal temperature, high temperature, low temperature, etc. Depending on the material and formula, it can be used in the temperature range of -100℃ to +500℃.
2. Pressure: Butterfly valve rubber seals are suitable for various pressure levels, such as low pressure, medium pressure, high pressure, ultra-high pressure, etc. In high-pressure and ultra-high-pressure environments, seals can maintain good elasticity and sealing performance.
3. Medium: Suitable for a variety of media, such as gas, liquid, steam, corrosive media, etc.
4. Sealing performance: It has good sealing performance and can effectively prevent fluid leakage. In situations where strict sealing is required, such as chemical industry, petroleum, electric power, and other fields, rubber seals are the ideal choice.
Classification
1. According to different materials, the butterfly valve rubber seal can be divided into natural rubber, nitrile rubber, fluorine rubber, etc. Natural rubber has good elasticity and sealing properties and is suitable for situations where the temperature is not high; nitrile rubber has good oil resistance and wear resistance and is suitable for situations containing impurities and corrosive media; fluorine rubber is suitable for high temperature and high pressure and other harsh environments.
2. According to different shapes, butterfly valve rubber seals can be divided into O-type, U-type, V-type, etc. O-shaped sealing rings have the advantages of simple structure, compactness, and good sealing performance, and are widely used in various sealing situations; U-shaped sealing rings have the advantages of large cross-sectional area and are suitable for high-pressure sealing situations; V-shaped sealing rings have high wear resistance, etc.
3. According to different uses, they can be divided into ordinary rubber seals and special rubber seals. The ordinary type is mainly used for valve sealing under general working conditions, while the special-purpose type is used for valve sealing under special working conditions, such as high-temperature resistance, corrosion resistance, wear resistance, etc.
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