Pneumatic Valve Actuator Body Material Anodized Aluminum Output Torque @ 80 psi 155 in-lb F04 .433 in star Mounting Operating Pressure 40 to 120 psi Temp Range -4 to 180 Degrees F Valve Design Rack-and-Pinion Cycle Time 0.4 sec Air Port Size 1/4 in Bolt Circle Dia 1-21/32 in Length 5 51/64 in Width 2 47/64 in Height 3 5/8 in Features Epoxy Coated End Caps Standards ISO / NAMUR