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The troublesome seal ring design determines its purpose!

The troublesome seal ring design determines its purpose!

  • Categories:Industry News
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  • Time of issue:2020-11-10
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(Summary description)The fluoroelastomer is a copolymer of vinyl fluoride and hexafluoropropylene. Depending on its molecular structure and fluorine content, fluoroelastomers have different chemical resistance and low temperature resistance.

The troublesome seal ring design determines its purpose!

(Summary description)The fluoroelastomer is a copolymer of vinyl fluoride and hexafluoropropylene. Depending on its molecular structure and fluorine content, fluoroelastomers have different chemical resistance and low temperature resistance.

  • Categories:Industry News
  • Author:
  • Origin:
  • Time of issue:2020-11-10
  • Views:0
Information

The fluoroelastomer is a copolymer of vinyl fluoride and hexafluoropropylene. Depending on its molecular structure and fluorine content, fluoroelastomers have different chemical resistance and low temperature resistance. Fluoroelastomer is based on its excellent flame retardancy, excellent air tightness, high temperature resistance, ozone resistance, weather resistance, oxidation resistance, mineral oil resistance, fuel oil resistance, hydraulic oil resistance, aromatic resistance and many organic solvents Known for its chemical properties.

The operating temperature under static sealing is limited to between -26°C and 282°C. Although it can be used in a short time at a temperature of 295°C, its service life will be shortened when the temperature exceeds 282°C. The most suitable temperature for use under dynamic seal is between -15℃ and 280℃, and the low temperature can reach -40℃.

Fluorine rubber sealing ring performance

(1) Full of flexibility and resilience;

(2) Appropriate mechanical strength, including expansion strength, elongation and tear resistance.

(3) The performance is stable, it is not easy to swell in the medium, and the thermal contraction effect (Joule effect) is small.

(4) It is easy to process and shape, and can maintain precise dimensions.

(5) Does not corrode the contact surface, does not pollute the medium, etc.

Advantages of fluorine rubber sealing ring

1. The sealing ring should have good sealing performance within the working pressure and certain temperature range, and can automatically improve the sealing performance as the pressure increases.

2. The friction between the sealing ring device and the moving parts should be small, and the friction coefficient should be stable.

3. The sealing ring has strong corrosion resistance, not easy to age, long working life, good wear resistance, and can automatically compensate to a certain extent after wear.

4. Simple structure, easy to use and maintain the sealing ring, what are the advantages of the fluorine rubber sealing ring to make the sealing ring have a longer life.

O-ring design determines product usage

The O-shaped sealing ring is suitable for installation on various mechanical equipment, and plays a sealing role in a static or moving state in a specified temperature, pressure, and different liquid and gas media. Various types of seals are widely used in machine tools, ships, automobiles, aerospace equipment, metallurgical machinery, chemical machinery, engineering machinery, construction machinery, mining machinery, petroleum machinery, plastic machinery, agricultural machinery, and various instruments and meters. element.

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