Linear Pneumatic Actuator Operating PSI Range 3 to 13 Max Air Pressure 29 psi Stroke 4 in Nominal Spring Range 3 to 13 psi Net Force Exerted @ 0 PSI 19.8 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