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 6150-01-458-1583
NSN 5925-01-575-1682
NSN 6610-01-604-1744
NSN 6220-01-383-3920
NSN 6645-01-458-8379
NSN 6105-01-254-6210
NSN 5835-01-258-5597
NSN 6645-01-461-7704
NSN 6685-01-263-7054
NSN 5915-01-263-9052
NSN 5905-01-421-4421
NSN 6220-01-236-0233