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 4140-00-726-9755
NSN 4140-00-170-5152
NSN 5996-00-764-6258
NSN 5999-00-752-6501
NSN 6105-01-203-0589
NSN 6685-01-346-5838
NSN 2925-01-190-0510
NSN 5950-01-307-5336
NSN 6610-01-014-3964
NSN 5950-00-017-0533
NSN 5996-00-222-9632
NSN 5999-01-091-9898