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 5895-01-217-0093
NSN 6645-01-157-9080
NSN 6685-01-592-1877
NSN 6150-00-935-5239
NSN 5925-00-564-4268
NSN 6650-00-202-4540
NSN 6620-00-278-7313
NSN 2925-01-576-6206
NSN 2925-01-053-5697
NSN 6685-01-255-1581
NSN 6135-01-151-2705
NSN 5920-01-395-8699