Identification Number 1 - without vent drilling.
Identification Number 2 - with vent drilling.
GN 441 Threaded Blanking Plug, Aluminium, Heat Resistant
Threaded plugs, GN441, with 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 even on uneven surfaces.
Plastic coated, black, RAL 9005, textured finish SW.
Blank, tumbled BL.
Temperature resistant up to 100° C
Sealing ring - rubber (Perbunan)
Threaded plugs with dipstick available on request.