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 6685-01-401-5360
NSN 6110-01-424-5789
NSN 5965-00-954-3011
NSN 5999-01-432-1564
NSN 4140-00-790-7995
NSN 6645-01-040-5233
NSN 6110-01-647-5503
NSN 6240-01-529-2261
NSN 5996-01-530-5533
NSN 6240-01-158-9299
NSN 6135-01-386-5709
NSN 5905-01-363-4559