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 5915-01-501-5895
NSN 5895-01-358-5145
NSN 6320-01-643-0850
NSN 5925-01-604-9427
NSN 5920-00-486-8822
NSN 5960-01-250-1095
NSN 6145-01-486-4247
NSN 5925-01-557-4366
NSN 5835-00-958-6231
NSN 5835-01-485-0210
NSN 6685-01-465-3129
NSN 6150-01-328-8460