Linear Pneumatic Actuator Operating PSI Range 9 to 13 Max Air Pressure 29 psi Stroke 3 1/10 in Nominal Spring Range 9 to 13 psi Mounting Type Fixed Net Force Exerted @ 0 PSI 59.4 lb Net Force Exerted @ 18 PSI 3.3 lb Length 17 in Width 6 3/8 in Height 6 7/8 in Provides Operating Ranges for Independent Operation or Sequence Operation with Other Actuators For Use With Small Dampers and High Velocity Mixing Boxes Includes Fixed External Mounting Bracket and Ball Joints