Electric actuator series SHE is commonly used, as shown in the figure. It is rugged, provides constant seating power, and is cost effective. Can manufacture different positioning force, stroke and motor voltage according to your requirements. The SHE actuator is a multifunctional interface to a controller or process control system. As standard, it uses a 3-point trigger, position Electronic device (PEL) enabled control device with signals 0 (4) to 20 mA or 0 (2) to 10 V. Optionally, you can purchase von Rohr control valves with pneumatic actuators.