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 5930-01-197-6163
NSN 6610-01-643-6652
NSN 6145-01-069-1601
NSN 4140-01-359-2643
NSN 5950-01-532-2726
NSN 6685-01-498-1467
NSN 5905-00-913-4451
NSN 4140-01-084-0949
NSN 7035-01-003-9142
NSN 5925-01-327-2731
NSN 6220-01-485-0333
NSN 6105-01-213-9286