A valve designed to release under excessive pressure and/or excessive temperature by opening at a predetermined pressure and/or temperature. Thermostatically operated valves close when the pressure is relieved or the temperature is reduced. Fusible plug valves require replacement of the plug. See also valve, safety relief and valve, regulating. Temperature.
Classification: Safety or relief valves
NSN 6240-01-532-1468
NSN 5855-01-130-1501
NSN 5965-01-129-1968
NSN 6135-00-170-8819
NSN 6240-01-602-1567
NSN 6145-01-189-6564
NSN 6110-01-579-4480
NSN 5999-00-849-1774
NSN 5925-01-344-3707
NSN 6130-00-004-1890
NSN 6685-01-040-7710
NSN 5960-01-481-3722