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 6105-01-501-5654
NSN 6240-01-350-4959
NSN 6130-00-216-7376
NSN 5975-01-507-7455
NSN 5975-00-715-3710
NSN 5935-00-146-0116
NSN 5835-01-360-2657
NSN 2925-01-532-8445
NSN 5905-01-339-7221
NSN 5996-00-166-0037
NSN 5990-01-619-0935
NSN 6150-01-515-4976