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 6610-01-032-5335
NSN 5930-01-495-6357
NSN 5945-01-186-0113
NSN 6220-00-441-0977
NSN 6620-01-182-4938
NSN 5920-01-553-5804
NSN 5990-01-027-1869
NSN 5855-01-201-4857
NSN 5985-00-902-6866
NSN 5965-00-111-2073
NSN 6685-01-053-4337
NSN 6610-01-414-1755