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 5920-01-177-3761
NSN 5950-01-576-7586
NSN 6610-01-169-6134
NSN 6105-01-350-4314
NSN 5920-00-598-0469
NSN 6620-00-978-4002
NSN 6135-01-633-8502
NSN 5960-01-563-6975
NSN 5990-01-056-6413
NSN 5950-00-666-1887
NSN 5920-01-156-1013
NSN 5985-01-185-5376