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 5998-01-505-3923
NSN 5998-00-844-8867
NSN 5915-00-764-8284
NSN 6240-01-138-0112
NSN 5990-00-968-4401
NSN 5895-00-968-7896
NSN 6685-01-401-5360
NSN 6610-00-325-0485
NSN 7035-01-606-0865
NSN 5930-01-236-9707
NSN 6135-00-240-3200
NSN 6650-00-007-4372