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 5975-01-568-1983
NSN 6130-01-509-2926
NSN 5855-00-791-5000
NSN 2925-00-435-5604
NSN 6130-00-023-8701
NSN 6145-01-395-0848
NSN 5965-01-005-0341
NSN 5905-00-057-2550
NSN 6685-00-596-6924
NSN 6110-01-633-9660
NSN 6240-00-235-5159
NSN 6645-01-417-1913