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 4140-00-113-1279
NSN 5835-00-834-1286
NSN 6135-00-862-5736
NSN 5895-01-233-2920
NSN 5905-01-146-5511
NSN 5855-01-426-5589
NSN 5910-01-350-4290
NSN 5960-01-398-9538
NSN 5965-01-020-4104
NSN 5855-01-100-3272
NSN 6620-00-175-0663
NSN 6620-01-197-7083