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 6620-01-059-0876
NSN 6610-01-312-8340
NSN 5975-01-421-2230
NSN 5905-01-262-0854
NSN 5905-01-421-4421
NSN 5935-01-410-7266
NSN 6320-00-553-8427
NSN 6110-00-288-4179
NSN 5965-01-658-3827
NSN 5985-01-307-6565
NSN 5925-01-564-8576
NSN 6620-00-247-7427