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 4140-01-475-8321
NSN 6240-00-117-3778
NSN 6110-00-591-7108
NSN 4140-01-571-7913
NSN 6685-01-568-5895
NSN 5960-00-258-9292
NSN 5895-00-821-9067
NSN 6620-00-170-5296
NSN 5920-00-471-2548
NSN 6110-01-433-4229
NSN 5925-01-609-3461
NSN 6650-00-922-3328