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 6220-01-649-5291
NSN 7035-00-104-7613
NSN 5855-01-038-2189
NSN 6105-01-354-3301
NSN 6105-01-146-5335
NSN 6220-01-187-1028
NSN 5990-01-537-3972
NSN 6685-00-811-0814
NSN 6320-00-284-1524
NSN 5999-01-392-0874
NSN 2925-01-391-1540
NSN 6320-01-426-8947