GN 442

Identification no.

  • No. 1: without vent hole
  • No. 2: with vent hole


plastic coated

black, RAL 9005, matte finish SW

blank BL


temperature resistant up to 200 °C

Sealing ring rubber FPM (Viton®)

Identification by not black finish of the seal

Threaded plugs GN 442 with the external diameter d1 match the screw-in holes for DIN 3852 pipe bolt connections.

The sealing ring is embedded in a radial recess on the plane side, which makes the sealing ring captive and cannot be squeezed out during tightening. The sealing is also relatively soft, enhancing the sealing effect also on uneven surfaces.

  • Threaded plugs with dipstick

  • Elastomer characteristics 


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