Speed Control Valve Valve Style In-Line Valve Port Size 1/4 in Valve Tube Size 1/4 in Valve Body Size 1/4 in Valve Flow In Body Material - Valves Nickel-Plated Brass Connection Tube Adjustment Hex Screw Pressure Range 14.5 to 145 psi Temp Range 23 Degrees to 140 Degrees F Standards - Air Cylinder Speed Control