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 6620-01-454-8926
NSN 7035-00-834-2090
NSN 6620-01-076-8706
NSN 6105-00-057-2406
NSN 6685-00-009-9031
NSN 6145-00-081-2797
NSN 5835-01-386-4027
NSN 5910-00-970-3703
NSN 5945-01-595-6686
NSN 5915-00-012-4231
NSN 5945-00-226-8560
NSN 5910-01-107-4639