PTFE TFM™ envelope gasket, with inner inside diffusion barrier and stainless steel corrugated ring (PW-I)

  • Article Number: 7150ED01
  • Material: 7150
  • Profile: ED01
The PTFE envelope is made of TFM™ 1600 with an inner diffusion barrier (4 mm). The stainless steel corrugated ring (standard 1.4571) has a partition of 3 mm and cross-sectional flat area at the inner diameter. The design complies with the specifications defined by the German chemical industry.
Article Number

Operational Data

Temperature (min.) -269 °C
Temperature (max.) 250 °C
Pressure (max) 80 bar

Gasket Characteristics EN 13555

Gasket Characteristics (Amtec)

Gasket Characteristics DIN 2505 V

K0×Kd [N/mm] 12 × bd
k1 [mm] 1 × bd

Gasket Characteristics DIN 28090

бVO [N/mm²] 90
бVU 0,1 [N/mm²] 12
m 1
бBO 150 °C [N/mm²] 60

Gasket Characteristics ASME

m 2
Y [PSI] 1800

Approvals and Test Reports

TA Luft 2002 (VDI 24A0/2200)
DIN EN13555 (TA Luft 2021)
Blow-out resistance
BAM oxygen
BAM oxygen (liquid)
Drinking Water (KTW; WRAS)
Food (FDA)
EG 1935/2004

Flange Types

Self-centering, Raised Face (form IBC)


General information: All information given in this Technical Information sheet represents our current level of knowledge and serves as information on our products and their respective scopes. It is not meant to ensure any particular properties of any product or the suitability of any product for any specific application, neither does it create any liability on our part.

Last Changed 2023-09-29 20:05:13

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