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 5835-01-158-6878
NSN 6240-01-193-6545
NSN 5950-00-266-9058
NSN 5996-01-426-8531
NSN 5975-01-578-6278
NSN 6320-01-462-2295
NSN 5960-00-116-4882
NSN 6320-01-425-1417
NSN 5990-00-004-4158
NSN 6620-00-411-0179
NSN 5990-01-517-7848
NSN 6610-00-202-5481