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 5990-01-361-6424
NSN 6650-01-590-7622
NSN 6130-00-159-1104
NSN 6650-00-035-9297
NSN 6620-01-391-6499
NSN 5999-01-212-0682
NSN 6620-01-385-6172
NSN 4140-01-371-4525
NSN 6150-00-356-4330
NSN 5855-01-027-1571
NSN 2925-00-126-2879
NSN 5905-01-341-3619