Manual Air Control Valve 3-Way 2-Position Pipe Size 1/8 In. Actuator/Return Roller Lever/Spring Coefficient of Volume 0.2 7.5 CFM Temp Range 32 Degrees to 160 Degrees F Max Pressure 150 psi Connection NPT Normally Open/Normally Closed Normally Closed Body Material Zinc Die Cast Overall Length 1-3/4 In. Overall Height 1-5/8 In. Overall Width 11/16 In.