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 5855-00-256-5562
NSN 4140-00-064-7847
NSN 5996-01-181-5438
NSN 6130-01-206-5151
NSN 5920-01-289-5197
NSN 6105-01-413-3476
NSN 5855-01-277-1663
NSN 5950-01-524-9831
NSN 6620-01-468-6017
NSN 5950-01-571-8560
NSN 6685-01-048-6411
NSN 6620-00-290-6505