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 6610-00-176-5486
NSN 5835-01-622-2556
NSN 2925-01-161-7440
NSN 6130-01-045-7418
NSN 5945-01-176-4514
NSN 5996-00-401-8063
NSN 4140-01-127-4674
NSN 6130-01-347-4506
NSN 5945-01-417-7696
NSN 5910-01-131-2235
NSN 5910-00-410-8312
NSN 6130-01-284-8840