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 6150-01-521-4027
NSN 5935-01-447-1924
NSN 6620-01-217-3216
NSN 5930-01-118-1411
NSN 5950-01-337-0436
NSN 4140-01-390-4104
NSN 6650-01-007-2786
NSN 5895-00-205-2924
NSN 5920-00-012-1831
NSN 5999-01-467-7886
NSN 5895-00-890-5333
NSN 6685-01-128-0174