Pneumatic Actuators

KDVs range of Rotork & Limitorque electric linear actuators provides a powered process control operator suitable for most control valve types and sizes.

• Electrically powered.

• High performance, continuous unrestricted modulation duty.

• High resolution and repeatability.

• Comparable life to pneumatic operators.

• Optional bus interfaces available.

• Comprehensive data-logging.

• Watertight IP68 and explosion proof enclosures.

• Programmable fail-to-position option.

• Separate, double sealed terminal compartment.

• Optional ‘Intrinsically Safe’ control & instrumentation compatible.

• Non-intrusive setup/calibration using Blue-tooth.

• Optional manual override.

• Also available in Quarter-turn configuration





For simple control operations up to 25 kN KDV supplies PSL electric valve actuators.


The cover and switching mechanism design allows for a wider range of applications, more space for electronics and reduced cost.

• Robust design

• Long service life at high load

• Simple adjustment

• Centralised switching and sensor units allow easy access.

KDV Weir Type Diaphragm Valve with electric actuator
KDV Electric Actuators