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 6145-01-281-7222
NSN 6645-00-938-2173
NSN 6220-01-634-0660
NSN 6145-01-392-1146
NSN 6105-00-333-8972
NSN 5990-00-775-1016
NSN 5910-01-394-6068
NSN 2925-01-270-1124
NSN 7035-01-056-5350
NSN 5895-01-089-8171
NSN 6130-01-555-7594
NSN 5998-01-235-8431