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Grooved gasket with loose centering ring [non-integral] and both-sided graphite layers

The grooved stainless steel core [1.4571, pitch 1,0 mm] is covered on both sides with soft material layers made from expanded pure graphite and provided with a loose centering ring [non-integral, half-shells, spot-welded], which prevents vibration breaks in the sealing area.

Grooved gaskets require low minimum sealing surface pressure, but can also resist very high loads.

Grooved gaskets impress by a high pressure application limit, low leakage rate and are therefore suitable for extreme operation conditions. To ensure safety in oxygen applications, we also offer an adhesive-free LE-Safe version of this gasket.

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Article Number

6711KD30

Material

6711
 

Profile

KD30
 

Other core materials available on request.

Description

Operating Data

Temperature
450 °C
Temperature (min)
-269 °C
Temperature (max)
550 °C
Pressure (max)
400 bar

Gasket characteristics DIN 2505 V

K0×Kd [N/mm2]
15 × bd
k1 [mm]
1,1 × bd

Gasket characteristics DIN 28090

6vo [N/mm2]
500
6vu 0,1 [N/mm2]
15
m (DIN 28090)
1.1
6BO 300 °C [N/mm2]
500

Gasket characteristics ASME

m (ASME)
3
Y [PSI]
2200

Approvals and test reports

TA Luft 2002 (VDI 24A0/2200)
DIN 30691 (lightning current carrying capacity)
DIN EN13555 (TA Luft 2021)
Fire Safe Test
Blow-out resistance
Gas (DIN 3535-6)
WRAS

Flange shapes

Self-centering, Raised Face (form IBC)