Woodward Steam Turbine Actuation

Electro-Hydraulic Actuator for Steam Turbines

ProAct™ Digital Actuator

Woodward’s ProAct™ digital electric actuator and positioner incorporate a rotary output shaft used to accurately position steam turbine control valves. The ProAct Digital actuator includes an integral digital driver/positioner that:

• controls the actuator
• monitors the health of the actuator
• communicates with the control system
• Output—Rotary shaft, 75 degrees, 7 to 37 J (5 to 27 ft-lb)
• Input Power—18-32 Vdc, 20 A max

Learn more from the ProAct product specification