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 5999-01-545-6645
NSN 5895-01-312-8588
NSN 6610-01-269-5437
NSN 5920-01-502-5838
NSN 6135-00-152-8729
NSN 5950-01-318-1155
NSN 5960-01-292-8309
NSN 5910-01-536-9965
NSN 6240-01-071-0484
NSN 6105-01-216-9441
NSN 6620-00-247-7427
NSN 4140-01-656-3787