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 6620-01-555-1453
NSN 6130-00-528-7838
NSN 4140-01-532-2167
NSN 6620-00-025-1889
NSN 6240-01-622-7743
NSN 2925-01-364-7926
NSN 5915-00-312-2652
NSN 5915-01-323-5383
NSN 5910-01-421-0769
NSN 6145-01-550-6050
NSN 6240-00-226-0462
NSN 5855-00-688-9954