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 6685-01-391-9546
NSN 5965-01-462-3001
NSN 5905-01-245-6618
NSN 2925-01-203-0493
NSN 5920-00-081-3850
NSN 6130-01-516-5009
NSN 5835-00-153-4100
NSN 4140-00-501-7833
NSN 5920-01-516-6837
NSN 6150-00-233-6356
NSN 5950-01-612-4525
NSN 6105-01-633-3485