Stopper screwing into threaded sleeve - is used with gas pipe, and uses spanner with shaft and gas tight housing, with lock and pipe clamp

摘要

The appliance for safely screwing in and out a stopper (7) into the threaded sleeve (1) of a gas-pipe (2) has a spanner (8) so that the spanner can be engaged with and disengaged from the lock. The spanner shaft (6) slides through the end of the lock facing away from the threaded sleeve (1) an elbow (11) has a locking-valve (5). A pipe clamp (3) fixes the housing (10) to the gas pipe (L). USE/ADVANTAGE - The closure stopper can be safely screwed in and out of the threaded sleeve.