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 5999-01-449-8679
NSN 6105-01-642-1199
NSN 6135-01-597-7685
NSN 2925-01-629-9416
NSN 6320-01-443-3826
NSN 5905-00-775-2395
NSN 6150-00-916-2128
NSN 6220-01-517-2365
NSN 6685-01-442-9326
NSN 5975-00-260-1336
NSN 5965-01-342-2865
NSN 6135-01-268-7056