CFR /  Title 49  /  Part 179  /  Sec. 179.220-24 Tests of pressure relief valves.

Each safety relief valve must be tested by air or gas for compliance with Sec. 179.15 before being put into service. [Amdt. 179-9, 36 FR 21343, Nov. 6, 1971, as amended at 62 FR 51561, Oct. 1, 1997]