Double smooth gauge "GO/NOGO" M 25x2.00 6H
DIVEAVENUE
In stock
The threaded ring gauge M18x150 6g for diving tank inspection allows to check the threads of M18 diving cylinder valves with a pitch of 150 (1.5mm).
M18x150 cylinder valves must be checked once a year during the annual TIV of the cylinders.
There is also a "DO NOT ENTER" ring which is necessary to be fitted to check the valve.