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 5910-01-046-5353
NSN 5950-00-236-3961
NSN 5985-01-138-4330
NSN 6135-01-599-7563
NSN 6620-01-391-8591
NSN 6650-01-511-8276
NSN 6130-01-495-7035
NSN 6145-01-016-9366
NSN 5950-01-347-3627
NSN 5905-01-351-5678
NSN 5935-01-284-9109
NSN 6135-00-134-6648