Dial4.5” (115mm), 6” (150mm) white aluminum with black markingsCaseAluminum, painted blackFront FlangeSSBack FlangeBlack steelLensGlassRing4.5” (115mm): SS
6” (150mm): AluminumSocketBrass or 316 SSConnections1/4” NPT standardScalePSI onlyBourdon TubesPhosphor bronze or AISI 316 SS, independent, matchedMovementBrassPointerAluminum, micrometerWeldingTin/copper alloy for brass internals, TIG argonarc for SS internalsOver-Pressure Limit30% of full scale valueWorking PressureMaximum 75% of full scale valueAmbient/Process Temperature-40°F to 150°F (-40°C to 65°C)Accuracy±1% ANSI/ASME Grade 1A