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 5910-00-752-5902
NSN 5910-00-178-9696
NSN 6135-01-415-4124
NSN 5920-01-013-8594
NSN 6685-01-346-5838
NSN 5905-00-456-9668
NSN 5925-00-275-7599
NSN 5945-00-099-9857
NSN 5985-01-441-7039
NSN 6645-00-482-2737
NSN 5920-00-870-8294
NSN 5925-01-423-0079