K4220 Vacuum Gauge 30 Hg to 0 4-1/2In 1/2In

K4220 Process Vacuum Gauge Nominal Dial Size 4 1/2 in Accuracy +/-0.5 Percent Gauge Case Material Phenolic Process Connection Type NPT Process Connection Gender Male Lens Material Glass Process Connection Size 1/2 in Field Fillable No Process Connection Location Bottom Case Color Black IP/NEMA Rating Not Rated Primary Pressure Range 30 to 0 Dry Dampening Feature None Vibration Resistance None Dial Color White Pressure Gauge Type Process Pressure Gauge Bolt Circle Diameter 5.375 in