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 6145-00-299-7757
NSN 2925-01-071-9291
NSN 5965-01-202-1007
NSN 5999-00-573-8309
NSN 5965-01-394-1542
NSN 2925-01-151-6969
NSN 5920-00-887-6514
NSN 6220-00-364-1605
NSN 5990-00-226-1152
NSN 5925-01-504-0934
NSN 5945-01-476-7351
NSN 5855-01-529-7260