Proof pressure test. The hydrostatic pressure in the cylinder shall be increased gradually and regularly until the test pressure, at least 1.5 times working pressure, is reached. The cylinder test pressure shall be held for a sufficiently long period (at least 30 seconds) to ascertain that there is no tendency for the pressure to decrease and that tightness is guaranteed;
Appears in 2 contracts
Samples: unece.org, wiki.unece.org
Proof pressure test. The hydrostatic pressure in the cylinder shall be increased gradually and regularly until the test pressure, at least 1.5 times working pressure, is reached. The cylinder test pressure shall be held for a sufficiently long period (at least 30 seconds) to ascertain that there is no tendency for the pressure to decrease and that tightness is guaranteed;least
Appears in 2 contracts
Samples: tind-customer-undl.s3.amazonaws.com, worthingtonindustries.com