PTFE Encapsulated O rings/O-rings/Oring

FOB Reference Price:Get Latest Price
US $0.01-0.25 / Pieces | 100 Piece/Pieces small order is avaliable (Min. Order)
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Overview
Quick Details
Standard or Nonstandard:
Standard
Style:
O Ring
Material:
core material: silicone/viton,outer layer: PTFE
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
DL
Model Number:
Encapsulated O-Rings
color:
red,black
size:
standard/nonstandard
other related Encapsulated O Ring:
FEP Encapsulated O Ring, PTFE Encapsulated O Ring, etc
feature:
high temperature resistance,aging resistance,etc
pressure:
0 to 60 Mpa
stability:
chemical Wide range of thermal stability
sample:
Encapsulated O Ring is available
material:
core material: silicone/viton,outer layer: PTFE
grade:
RoHS and FDA standard
SupplyAbility
SupplyAbility:
Piece/Pieces per Month good supply ability
Packaging & Delivery
Packaging Details
inner packing--plastic bag, outer packing--carton box. We also make package as per customer's requirements.
Port
guangzhou/shenzhen
Lead Time :
8
Product description

1.PTFE -coated o-rings

 

     From viton / silicone rubber and teflion fep / pfa two materials combine with ordinary apron and pure tefion o -ring seal and long life unmatched especially for demanding medium

 

2.Product Information

 

   chem-ring seals and the sealing rubber elasticity combined with the chemical resistance of teflon up machine , which consists of a silicone or viton colored plastic core and a relatively thin teflon fep overcoat or a combination of teflon pfa this teflon rubber seal has excellent sealing performance. Rubber o -ring wear , resistance to chemical corrosion and gas permeability is poor, pure teflon o -ring high hardness resistant to compression , but less flexible . Overcoat teflon fep / teflon pfa o -ring having a good anti- swelling resistance and chemical stability ( unless subject to alkali metal halide , and some erosion of fluorine at elevated temperatures ) in the vicinity of the rubber o -rings have good flexibility , teflon fep / teflon pea friction coefficient is very small ( only 0.1-0.2 ) , and has excellent gas permeation resistance , these properties make chem-ring seals can really be applied to harsh environments .

 

3.Function

 

Are no seams and dense surface of teflon fep / teflon outer layer combined with pfa rubber core makes chem-ring seal sealing the overall consistency , elasticity and compression seals at various points uniformly continuous pressure after still under the effect of repeated installation , with increasing media pressure , the whole ring is compressed . chem-ring seals as a high- viscosity liquids , will have no effect on reducing the pressure to pass out in all directions .

 

4.Main advantages:

 

 Outstanding chemical resistance, suitable for almost all chemical media corrosion resistance, excellent resistance to compression , good good swelling resistance for a wide range of high pressure temperature uses: pumps, valves , mechanical seals , filters , reaction vessels, pressure vessels, heat exchangers, boilers , piping flanges , gas compressors

 

5.Industry:

 

Transportation and petrochemical industries , power plants , iron and steel industry , the aircraft industry , pharmaceutical industry, oil and chemicals , oil refining , film industry , refrigeration engineering, food processing industry , paper industry, dye manufacturing , paint spraying

 

6.Temperature range :

 

teflon fep Case : -60 °C -205 °C to 260 °C under high temperature in a short time using teflon pfa Case : -60 °C -260 °C can be shorter rubber material standard at 300 °C temperature : viton rubber e-60c level grade silicone rubber zzr 765b

 

7.Installation Notes chem-ring seals

 

1)the installation or by chem-ring seal parts required to be smooth , no glitches, the roughness grooves and sharp corners , the hole should reach 20 mil , rough shaft should reach 10 mil .

 

2 )with a clean light oil or grease to lubricate chem-ring seals and other parts of the contact surface .

 

3 )if the chen-ring seal mounted on the shaft is difficult , it can be immersed in hot water for a few minutes so that it expands , and this expansion of the softened easier o -ring during installation . This o-ring is installed in the hot, cool down and so has returned to its original size .

 

4 )do not be too severe bending chen-ring o -ring , otherwise it will cause wrinkles and affect the use of teflon . Installation compression chen-ring seal requirements are as follows : static sealing state : 15% -25 % dynamic seal status : 8% -15 % air sealed state : 7% -8%

Structure drawing
Other section drawing
Some FEP Encapsulated O-Ring pictures
 
Application of FEP Encapsulated O-Ring
Other O Ring products
Certificates

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Payment and shipping