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PTFE Envelope Gasket - Style No:TPEG

PTFE Envelope Gasket

PTFE Envelope Gasket with a good quality product filled with filler that have excellent compressibility 

and recovery inside, is coated with PTFE that have excellent chemical-resitance 

and stress-relaxation is small in high load, have a excellent seal ability.


PTFE Envelope Gasket 

1.Full Envelope Gasket 

2.Half Envelope Gasket


General Applications: Strong acids alkalis, Oxygen chlorine gas, 

Flange parts for organic solvent, Gaskets for electric insulation flange.
Gasket Core: Metallic Gasket ,Asbestos, Non Asbestos, Rubber, Millboard


Temperature: -100o C - 250o C
Pressure: 5 Mpa
Supplying Size: DN 10-600mm / NPS 1/2"~24"

Stardand:ASMEB16.21,DIN,GB,HGT ect.

Certificater: FDA 21 CFR177.1550,ROHS,MSDS

The Third Party Inspection Institution:TUV Germany

 

PTFE Envelope Gaskets are available in a wide variety of models.

Typical Styles:

 

Non-asbestos Jointing Sheet

Non-asbestos Jointing sheet is made from synthetic fibre, natural rubber,compression moilding it.

Used for the equipment in water,steam,etc and used as sealing material in the joints of pipeline.


Normal colour: Black with some white, Blue or Green-white etc.

Material:available with tin steel, copper, SS304 etc. wire mesh insertion,

Resistance to to media: Water, seawater, steam, fuel, gases, salt solutions and many other media.


Data Sheet:

 Item

 TXB200

 TXB300

 TXB400

 Density g/cm3

 1.8~2.0

 1.8~2.0

 1.8~2.0

 Tensile strength ≥Mpa

 6

 9

12.5 

 Compressibility ≥%

 12±5

 12±5

 12±5

 Recovery ≥%

 40

45 

45 

 Aging Coefficient

 0.9

0.9 

0.9 

 Stress Relaxation ≤%

 45

45 

45 

 Steam Sealing

 Tmax:   200℃

 Tmax:   300℃

 Tmax:   400℃

 Pmax: 2~3Mpa

 Pmax: 4~5Mpa

 Pmax: 8~9Mpa

 30min

 30min

 30min

 no shock

 no shock

 no shock

 Tmax:  ℃

 200

 300

 400

 Pmax:  Mpa

 1.5

 3

 Resistance To Media

 Water, seawater, steam, fuel,  gases, salt solutions

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Pic 2:

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 Standard:

                                  Dimensions of PTFE envelope gasket as per Standard DlN EN 1514-3


 

                               Dimensions of PTFE envelope gasket as per standard DIN EN 12560-3

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