SIGRAFLEX® MF flat gasket with inner eyelet

  • Article Number: 3870FD10
  • Material: 3870
  • Profile: FD10
Core of this gasket consists of a graphite seal with stainless steel insert.The gasket is covered with a thin stainless steel foil (0,05 mm) on both side. This is then covered with a thin PTFE layer (0,05 mm). The gasket models also have an inner eyelet. The system demonstrates excellent sealing properties and can also be used as an alternative for PTFE sealing systems.
Article Number

Operational Data

Temperature 450 °C
Temperature (min.) -269 °C
Temperature (max.) 300 °C
Pressure (max) 160 bar

Gasket Characteristics EN 13555

Gasket Parameters 2 mm (Amtec)

Gasket Characteristics DIN 2505 V

K0×Kd [N/mm] 10 × bd
k1 [mm] 1,3 × bd

Gasket Characteristics DIN 28090

бVO [N/mm²] 220
бVU 0,1 [N/mm²] 10
m 1.3
бBO 300 °C [N/mm²] 210

Gasket Characteristics ASME

m 2
Y [PSI] 1500

Approvals and Test Reports

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

Flange Types

Self-centering, Raised Face (form IBC)
Male-Female (form SR)
Apparatus, customized
With partition bars


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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