Varistroke Actuator

Self-Cleaning. Dirt Tolerant.

The patented dirt tolerant and self-cleaning technology of Woodward’s VariStroke actuators ensure greater overall reliability of your steam turbine. The VariStroke line of linear electro-hydraulic valve actuators operate mechanical-drive or generator-drive steam turbines. Their superb accuracy and resolution make them ideal for steam valve control and related turbine speed an load control, where turbine up-time and availability is essential.