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 5910-01-599-2900
NSN 5990-01-258-3848
NSN 5935-00-547-6852
NSN 6240-01-184-6831
NSN 6645-01-443-1103
NSN 6650-00-518-5194
NSN 5915-01-217-7367
NSN 6145-01-501-9065
NSN 6650-00-121-4416
NSN 6130-00-409-2951
NSN 5990-01-376-8930
NSN 6145-01-265-4939