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PTFE check ring

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PTFE check ring

Price Range:US $0.01 - 5

Brand Name:LISHUN

Material:PTFE

Shape:Ring Gasket

Standard or Nonstandard:Nonstandard

Details: PTFE check ring Function: 1) Sealing gasket for machinery. 2) All sizes are available 3) New molds can be made according t...

Deqing Lishun PTFE Factory

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

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Brass Threaded Globe Valve

Model / Specifications:JEJ-18item

Price Range:US $4.25 - 43.26 / Piece

Standard or Nonstandard:Standard

Structure:Stop

Pressure:Low Pressure

Power:Manual

Details: Brass Threaded Globe Valve Body/Stem/Seat/Bonnet:Brass O-Ring:PTFE NPT,check valve,gate valve,ball valve 15-50mm,PN16/25...Place of Origin: CN;ZHE

Luoyang Jinerjian Trading Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE O Ring

Model / Specifications:Rubber O Ring

Standard or Nonstandard:Standard

Style:O Ring

Material:PTFE

Brand Name:hengyong Rubber O Ring

Details: PTFE O RingTianjin Hengyong Rubber Hose Co.,Ltd.mainly offers the following specifications,please check: 1. Long service life2.Low compression set...

Tianjin Hengyong Hose Company Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass Screw Globe Valve

Model / Specifications:JEJ-18item

Price Range:US $4.25 - 42.25 / Piece

Standard or Nonstandard:Standard

Structure:Stop

Pressure:Low Pressure

Power:Manual

Details: Brass Globe Valve Body/Stem/Seat/Bonnet:Brass O-Ring:PTFE 15-50mm,PN16/25 stop valve, gate valve, check valve,ball valve...Place of Origin: CN;HEN

Luoyang Jinerjian Trading Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass spring check valve chrome plated

Model / Specifications:XM-5036

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass spring check valve with filter

Model / Specifications:XM-5037

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass spring check valve

Model / Specifications:XM-5035

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass check valve

Model / Specifications:XM-5038

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass foot valve

Model / Specifications:XM-5040

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

Brass Y strainer valve

Model / Specifications:XM-5032

Standard or Nonstandard:Standard

Structure:Check

Pressure:Medium Pressure

Power:Manual

Details: Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

Xian Metals and Minerals Import and Export Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

PTFE swing check valve

Model / Specifications:BEST094

Price Range:US $1.5 - 8 / Piece

Standard or Nonstandard:non-standard

Structure:Angle

Pressure:High Pressure

Power:Hydraulic

Details: Products/Services: O-RING, OIL SEAL, Rubber Gaskets, Backup Rings, Guide Rings, Hydraulic Piston Seals, Rubber customed parts, Engineering plastic,...

Guangzhou Best Rubber & Plastic Co., Ltd.

Business Type:Manufacturers

Free Member

China (Mainland)China (Mainland)

Inquiry

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Related Products
  • PTFE O Ring PTFE O RingTianjin Hengyong Rubber Hose Co.,Ltd.mainly offers the following specifications,please check: 1. Long service life2.Low compression set.3.Long service life4.Easy installation5.High perf...
  • PTFE check ring PTFE check ring Function: 1) Sealing gasket for machinery. 2) All sizes are available 3) New molds can be made according t...
  • Brass check valve Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE
  • Brass spring check valve Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE
  • Brass spring check valve with filter Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE
  • Brass Y strainer valve Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE
  • Brass foot valve Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE
  • Brass spring check valve chrome plated Body: Forged brass Spring:stainless steel PTFE ring Medium: water, olil, gas...Place of Origin: CN;ZHE

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Product Summary

The check ring is used to prevent the plastic from being blown back during the injection phase of the molding cycle. It is similar to a non return valve.

Polytetrafluoroethylene (PTFE) is a synthetic fluoropolymer of tetrafluoroethylene that finds numerous applications. PTFE is most well known by the DuPont brand name Teflon.

PTFE is a fluorocarbon solid, as it is a high-molecular-weight compound consisting wholly of carbon and fluorine. PTFE is hydrophobic: neither water nor water-containing substances wet PTFE, as fluorocarbons demonstrate mitigated London dispersion forces due to the high electronegativity of fluorine. PTFE has one of the lowest coefficients of friction against any solid.

PTFE is used as a non-stick coating for pans and other cookware. It is very non-reactive, partly because of the strength of carbon–fluorine bonds, and so it is often used in containers and pipework for reactive and corrosive chemicals. Where used as a lubricant, PTFE reduces friction, wear, and energy consumption of machinery.

PTFE is a thermoplastic polymer, which is a white solid at room temperature, with a density of about 2.2 g/cm3. According to DuPont, its melting point is 327 °C (621 °F), but its mechanical properties degrade above 260 °C (500 °F). PTFE gains its properties from the aggregate effect of carbon-fluorine bonds, as do all fluorocarbons.

PTFE has excellent dielectric properties. This is especially true at high radio frequencies, making it suitable for use as an insulator in cables and connector assemblies and as a material for printed circuit boards used at microwave frequencies. Combined with its high melting temperature, this makes it the material of choice as a high-performance substitute for the weaker and lower melting point polyethylene that is commonly used in low-cost applications.

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