Speed Control Valve Adjustment Type Knob Valve Body Size 3/8 in Air Connection Size 3/8 in Connection Type NPT Connection Size 3/8 in Air Connection Type Tube Metering Direction Meter In Body Material Stainless Steel Maximum Operating Pressure 150 psi Minimum Operating Pressure 15 psi Maximum Flow Rate 3.4 cfm Minimum Flow Rate 0 cfm Fitting Style Elbow Body Material Finish Nickel Plated Maximum Operating Temperature 140 Degrees F Minimum Operating Temperature 23 Degrees F