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 5930-01-350-3705
NSN 6135-00-078-9931
NSN 5910-00-584-0997
NSN 5960-01-316-4382
NSN 5930-00-265-9510
NSN 6105-00-079-2409
NSN 5920-00-180-4278
NSN 5998-01-529-7984
NSN 5990-01-055-1523
NSN 6130-01-400-6123
NSN 5975-01-463-9050
NSN 5985-00-262-3109