Speed Control Valve Adjustment Type Knob Valve Body Size 1/4 in 1/8 in Air Connection Size 1/8 in Connection Type BSPT Connection Size 1/8 in Air Connection Type Tube Metering Direction Meter Out Body Material Stainless Steel Maximum Operating Pressure 145 psi Minimum Operating Pressure 14.5 psi Maximum Flow Rate 28.3 cfm Minimum Flow Rate Not Applicable Fitting Style Elbow Body Material Finish Nickel Plated Maximum Operating Temperature 140 Degrees F