Berthold LB 4700 - Stopping (Blanking) Plugs

8 Explosion Protection Design Safety Manual / Explosion Protection Manual
22
56926BA26, Rev. 06, 04/2019
8.3 Stopping (Blanking) Plugs
Material
Size
ID No.
Ex Code /
Type of Protection
Wrench Size
Torque
Stainless
steel
M12 x 1.5 68462
approved with the de-
tector
16 mm (outer hexagon)
6 Nm
silicone
M16 x 1.5 68463 20 mm (outer hexagon)
8 Nm
silicone
u Grease must be used on all threadings, OKS 217 is recommended. To ensure
the sealing function, the grease must be thickly applied to NPT threads.
u Unused entries must be closed with listed stopping plugs with an appropriate
protection (at least IP66 / IP68 or type 4X).
u For 1/2" NPT threading, a tighning torque of 20 Nm is recommened.