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 6320-01-631-7828
NSN 5998-00-966-6405
NSN 6645-01-514-5841
NSN 5945-01-362-0685
NSN 5855-01-616-6544
NSN 6650-00-422-2958
NSN 6645-01-144-8627
NSN 5925-01-407-1363
NSN 6105-01-106-2631
NSN 6220-00-647-3096
NSN 6685-01-436-9478
NSN 7035-01-310-2587