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 5855-01-281-9700
NSN 6650-01-258-5871
NSN 5985-01-068-5198
NSN 6685-01-350-3451
NSN 6650-00-375-6632
NSN 5925-00-394-6894
NSN 6130-00-915-1937
NSN 5905-00-028-6909
NSN 5915-00-613-6748
NSN 6145-01-054-3874
NSN 4140-00-872-4897
NSN 6145-01-161-9149