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 6150-01-642-4562
NSN 6220-01-189-7990
NSN 5905-01-121-7799
NSN 5855-01-431-5581
NSN 6645-01-449-0785
NSN 6320-01-652-3806
NSN 6130-01-459-7168
NSN 6645-01-152-5207
NSN 6220-01-277-5812
NSN 6620-00-944-6446
NSN 5998-00-419-0425
NSN 5998-00-081-1454