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 6135-01-437-7741
NSN 6685-00-735-2381
NSN 5895-01-176-2237
NSN 6620-01-218-6203
NSN 4140-00-073-2239
NSN 5945-01-549-8830
NSN 5895-01-335-7281
NSN 5996-01-372-7392
NSN 5930-00-814-4059
NSN 6620-01-282-9970
NSN 5998-01-032-3452
NSN 6150-01-238-7872