Gallery Thumb

Envelope gaskets made of modified PTFE (TFM™ 1600) with internal diffusion barrier and stainless steel corrugated ring, fire-safe design

The casing of the PWI Gaskets is made of TFM™ 1600 with an internal diffusion barrier (4 mm). The stainless steel corrugated ring used (standard 1.4571) has a pitch of 3 mm and has a center outlet. The graphite layers on the outside protect the PTFE inside from direct exposure to flames in the event of a fire.

Enquire Now
Download Datasheet

Article Number

7147ED09

Material

7147
 

Profile

ED09

TFM™ is a modified PTFE [mPTFE]. This material is still part of our portfolio. Alternatively, we process mPTFE such as INOFLON® M295 or DAIKIN® MG3 MOD-FF/HD.

 

Description

Operating Data

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

Gasket characteristics DIN 28090

6vo [N/mm2]
90
6vu 0,1 [N/mm2]
12
m (DIN 28090)
1

Gasket characteristics ASME

m (ASME)
2
Y [PSI]
1800

Approvals & Test Reports

Fire Safe Test
WRAS
W270
FDA (Food)
EG 1935/2004

Flange Shapes

Self-centering, Raised Face (form IBC)