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PTFE TFM™ envelope gasket, with inner diffusion barrier, stainless steel corrugated ring and 2 compressed aramid fibre inserts

  • Article Number: 7158ED30
  • Material: 7158
  • Profile: ED30
7158ED30
The PTFE envelope is made of TFM™ 1600 with an inner diffusion barrier (3 mm wide), a corrugated ring (1.4571) and two fibre inserts in (each 2 mm thick). The seal features high resilience and is recommended by leading enamel flange manufacturers from DN 250 upwards; it is however available in all nominal widths.
Article Number
7158ED30
Material
7158
Profile
ED30
ED30

Operational Data

Temperature (min.) -50 °C
Temperature (max.) 150 °C
Pressure (max) 40 bar
Short -term 200

Gasket Characteristics EN 13555

Gasket Characteristics (Amtec)

Gasket Characteristics DIN 2505 V

K0×Kd [N/mm] 12 × bd
k1 [mm] 1,1 × bd

Gasket Characteristics DIN 28090

бVO [N/mm²] 60
бVU 0,1 [N/mm²] 12
m 1.1
бBO 150 °C [N/mm²] 55

Gasket Characteristics ASME

m 2
Y [PSI] 1800

Approvals and Test Reports

TA Luft 2002 (VDI 24A0/2200)
DIN EN13555 (TA Luft 2021)
BAM oxygen
BAM oxygen (liquid)
Drinking Water (KTW; WRAS)
WRAS
W270
Food (FDA)
EG 1935/2004

Flange Types

Glass-lined, Enamelled flange
GRP flange
Plastic flange
PTFE-lined steel flange

Downloads

Data Sheet
EN | Last Changed 2023-09-29

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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