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 5905-01-007-7870
NSN 5855-01-225-5855
NSN 6620-01-137-0551
NSN 6645-01-399-0661
NSN 6320-00-925-0558
NSN 5960-00-586-5292
NSN 6620-01-367-0844
NSN 6240-00-940-7090
NSN 5895-01-568-4946
NSN 6685-01-169-4850
NSN 5915-01-242-9686
NSN 5835-01-565-3411