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 5910-01-042-5799
NSN 5998-01-434-9111
NSN 5920-00-417-8768
NSN 5835-01-085-5487
NSN 6645-01-513-3071
NSN 6320-01-512-2031
NSN 5935-01-391-6100
NSN 5965-01-277-4161
NSN 5998-01-317-3763
NSN 5990-01-471-0494
NSN 6220-00-707-5044
NSN 5920-01-534-3806