A Series Stainless Steel aCTUATORS





Rack & Pinion Design



Dual Piston Rack & Pinion, Double Position Adjustable at 0°and 90°

Suitable for use in corrosive environments.

Stainless Steel Actuators

Stainless Steel 304 or 316 Construction for

Body, Covers, Pinion, and Pistons.

  • SR-Spring Return
  • DA-Double Acting




• Total 10 different sizes cover wide range of output torques. At 80 psig air pressure, the output torques range from 130 to 33,700 in-lbf.

• The body and end caps are investment casting stainless steel available either CF8 (SS304) or CF8M (SS316).

• Same components for both Double Acting and Spring Return actuators.

• Fully confirms to the latest ISO 5211 and NAMUR Standards.

• High Performance pre-load spring cartridges allow for greater safety and longer spring life. Double acting can be easily changed to spring return, or vice versa by adding and removing the spring cartridges. Different torque requirements can also be easily achieved by changing the quantities of the springs.

• Stoke Adjustment Pinion at either 0O or 90O AA Series (adjustment screws for both open and closed positions )

• Size Models: (mm ID) 45, 60, 85, 105, 125, 140, 160, 210