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 5905-01-609-7703
NSN 5998-01-611-8461
NSN 5975-01-323-8120
NSN 5905-01-132-1536
NSN 6105-01-090-3831
NSN 6220-01-453-7533
NSN 6135-00-368-5578
NSN 5905-01-517-7416
NSN 6145-00-290-3859
NSN 5965-01-184-2477
NSN 6220-01-578-1424
NSN 5895-00-061-7192