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

The cover is made of TFM™ 1600 with an internal diffusion barrier (width 3 mm). A corrugated ring (1.4571) and two PTFE inserts of UNIFLUOR® 7550 quality (each 2 mm thick) are used as inserts. This Gasket is characterized by a high compensation capacity and is recommended by the leading enamel flange manufacturers from DN 250, but is available in all nominal widths.

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Article Number

7145ED30

Material

7145
 

Profile

ED30

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)
200 °C
Pressure (max)
40 bar

Gasket characteristics EN 13555

Gasket Characteristics (Amtec)

Gasket characteristics DIN 2505 V

K0×Kd [N/mm2]
8 × bd
k1 [mm]
1,1 × bd

Gasket characteristics DIN 28090

6vo [N/mm2]
60
6vu 0,1 [N/mm2]
8
m (DIN 28090)
1.1
6BO 150 °C [N/mm2]
55

Gasket characteristics ASME

m (ASME)
2
Y [PSI]
1200

Approvals & 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)
WRAS
W270
FDA (Food)
EG 1935/2004

Flange Shapes

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