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 5915-01-513-9122
NSN 5996-01-275-6693
NSN 5950-01-190-9694
NSN 2925-01-509-3783
NSN 5965-00-393-1294
NSN 5985-01-396-1108
NSN 6105-01-382-1105
NSN 6645-00-410-2395
NSN 5975-01-646-8859
NSN 6645-00-922-8312
NSN 5998-01-403-2586
NSN 4140-00-484-4040