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 4140-01-040-1700
NSN 5920-00-402-1752
NSN 6320-01-498-4954
NSN 5910-00-031-3719
NSN 7035-01-535-6945
NSN 6150-01-050-8268
NSN 5960-01-612-6869
NSN 5960-01-386-5770
NSN 2925-01-464-6127
NSN 6135-00-951-3426
NSN 6220-01-302-1819
NSN 4140-01-555-3124