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 6145-01-423-0382
NSN 5925-01-483-8690
NSN 2925-01-453-1606
NSN 5960-00-679-8153
NSN 5975-00-419-9812
NSN 5895-00-196-2868
NSN 6135-01-514-0356
NSN 6135-01-079-7852
NSN 5945-00-188-8954
NSN 5930-00-802-2933
NSN 6320-00-098-2858
NSN 6110-01-169-1168