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SIGRAFLEX® Hochdruck Pro flat gasket with inner eyelet and pre-compression in the outer sealing area

  • Article Number: 3888FD11
  • Material: 3888
  • Profile: FD11
3888FD11

The basic structure corresponds to the Sigraflex Hochdruck flat gasket with inner eyelet. However, the Gasket is additionally pre-compressed in the outer area. Due to the reduced surface area, lower surface pressures are required when installing the flat gasket.

Article Number
3888FD11
Material
3888
Profile
FD11
FD11

Operating data

Temperatur 450 °C
Temperatur (min) -269 °C
Temperatur (max) 550 °C
Pressure (max) 250 bar

Gasket characteristics DIN 2505 V

K0×Kd [N/mm] 15 × bd
k1 [mm] 1,3 × bd

Gasket characteristics DIN 28090

бVO [N/mm²] 230
бVU 0,1 [N/mm²] 15
m (DIN 28090) 1.3
бBO 150 °C [N/mm²] 180
бBO 300 °C [N/mm²] 160

Gasket characteristics ASME

m (ASME) 2.5
Y [PSI] 3000

Approvals and test reports

TA Luft 2002 (VDI 24A0/2200)
DIN EN13555 (TA Luft 2021)
Blow-out resistance
BAM oxygen
BAM oxygen (liquid)
Gas (DIN 3535-6)

Flange shapes

Self-centering, Raised Face (form IBC)
With partition bars

Downloads

Data Sheet
Details: EN | Last Changed 2025-01-29

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 2025-01-29 13:00:01

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