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 5920-00-658-7219
NSN 5996-00-777-7134
NSN 5945-01-353-1402
NSN 6130-00-280-3696
NSN 5905-00-277-7439
NSN 6150-01-607-7989
NSN 6110-01-116-4251
NSN 6645-01-439-4240
NSN 5945-00-043-1347
NSN 5960-00-472-5000
NSN 6145-01-606-2172
NSN 7035-01-049-6776