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 5999-01-020-7641
NSN 5920-01-523-2376
NSN 5950-01-428-6700
NSN 2925-00-063-5898
NSN 5945-00-691-3220
NSN 4140-00-125-0837
NSN 5945-01-326-0629
NSN 5930-01-387-6656
NSN 6150-01-032-3955
NSN 5855-00-149-0766
NSN 5950-01-099-7324
NSN 5855-00-821-7512