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 5915-00-283-8670
NSN 5855-00-130-5756
NSN 5920-01-398-1626
NSN 6105-01-099-4569
NSN 5920-00-509-5073
NSN 6135-01-571-0845
NSN 5915-00-540-8350
NSN 5999-01-503-3116
NSN 5965-01-168-8180
NSN 5985-01-105-5370
NSN 6645-00-739-6718
NSN 5998-00-068-7678