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 5930-00-216-7511
NSN 5895-01-252-9775
NSN 6220-00-738-0815
NSN 6110-01-239-8286
NSN 5895-01-518-5898
NSN 6685-00-165-5893
NSN 5915-00-571-9491
NSN 5999-00-622-3109
NSN 5915-01-028-8530
NSN 5925-00-951-7446
NSN 6650-01-272-3727
NSN 6145-01-426-8976