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 5985-00-178-1143
NSN 5975-00-890-5201
NSN 6685-00-544-3783
NSN 6110-00-253-9523
NSN 6685-01-445-6201
NSN 6645-00-849-4429
NSN 5855-01-382-8725
NSN 6610-00-454-2532
NSN 6145-00-020-6708
NSN 5925-01-368-5442
NSN 5835-01-502-9228
NSN 5930-01-356-2917