and checking their freedom of movement, logging the pressure gauge reading, before and after each alarm valve (thus checking the tightness of the non-return valves) and checking the alarm system. the latter is done by opening the testvalves and checking that the audible and visual alarms work. the pressure...
and checking their freedom of movement, logging the pressure gauge reading, before and after each alarm valve (thus checking the tightness of the non-return valves) and checking the alarm system. the latter is done by opening the testvalves and checking that the audible and visual alarms work. the pressure...