Actuators An extensive range of pneumatic, hydraulic and electric quarter turn actuators for all valves within the Tyco series. Incorporating features to ensure trouble free operation with long life expectancy, pneumatic, hydraulic and electric actuators ensure high performance and smooth operation in all application duties. Pneumatic Actuators * Rack and Pinion * Scotch Yoke * Heavy Duty Scotch Yoke * Double / Single Acting * Fail-safe Electric Actuators * Compact economical * Heavy duty * Quarter / Multi-turn * Fail-safe Hydraulic Actuators * Double Acting * Fail-safe * Subsea