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 5920-00-904-9156
NSN 5910-01-020-9476
NSN 6610-01-619-9156
NSN 5910-01-429-8931
NSN 6220-00-595-6954
NSN 2925-00-891-5959
NSN 5925-01-555-9879
NSN 6685-00-204-6037
NSN 7035-00-088-7355
NSN 5855-01-597-1836
NSN 5855-01-273-3843
NSN 6150-01-609-9770