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 6240-01-444-1519
NSN 2925-00-078-0525
NSN 6220-00-670-8793
NSN 6130-01-531-6513
NSN 5895-01-411-5527
NSN 5895-01-104-8903
NSN 6145-00-567-7413
NSN 6685-00-203-2389
NSN 5965-01-258-5662
NSN 5960-00-074-8968
NSN 5935-01-444-5472
NSN 6135-00-351-8606