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 6150-01-384-3660
NSN 6685-00-187-8379
NSN 6130-01-040-9808
NSN 5990-00-170-4239
NSN 5950-01-465-4136
NSN 5950-01-386-5845
NSN 2925-00-799-1773
NSN 6145-01-519-3783
NSN 6130-01-597-0772
NSN 5895-01-513-5086
NSN 5910-00-591-4261
NSN 6320-01-359-3921