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 4140-01-535-6477
NSN 6110-01-477-6707
NSN 5855-00-560-0110
NSN 6150-01-068-3695
NSN 4140-00-928-9097
NSN 5930-01-291-4891
NSN 6145-01-545-6348
NSN 6610-00-146-3499
NSN 6135-00-235-1938
NSN 5855-00-885-8452
NSN 5975-00-331-3043
NSN 6620-01-601-7491