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 5960-00-273-3058
NSN 5985-00-985-3939
NSN 5905-00-467-7680
NSN 6685-01-606-0100
NSN 5975-01-608-4329
NSN 6685-01-570-6106
NSN 5960-00-246-9749
NSN 6620-00-720-3278
NSN 6110-01-502-7005
NSN 6320-01-420-0340
NSN 5975-01-287-2155
NSN 6135-01-539-1167