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 5998-01-180-8908
NSN 5985-00-389-9237
NSN 6645-01-083-4759
NSN 5920-01-159-7949
NSN 6645-01-660-3097
NSN 6650-01-577-1784
NSN 5905-01-548-0610
NSN 6685-01-102-1652
NSN 5855-01-542-4576
NSN 4140-01-210-2212
NSN 6145-00-375-5224
NSN 5910-00-905-2962