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 6145-01-548-4920
NSN 6320-01-532-7491
NSN 6620-01-121-0736
NSN 5855-00-149-0766
NSN 6130-01-383-6872
NSN 6650-00-150-6885
NSN 6685-01-345-8162
NSN 6240-01-445-8673
NSN 5915-01-301-0882
NSN 6685-01-519-2223
NSN 4140-01-625-9806
NSN 5998-01-292-3839