Model 8256-021 is a rotary actuator from Woodward. It is part of the manufacturer’s Electrically Powered Governor series, and one of three parts that creates a complete EPG system. This product can be used on diesel engines and mounted on a panel near the engine itself. However, it should not be installed directly on the engine.
Product 8256-021 weighs a little under two pounds, making it a lightweight tool to utilize. The ambient temperature when operating this actuator should be kept between -40 and 93 degrees Celsius.
It can use either isochronous control or single-phase droop control. The power supply on this electrical actuator is 24 Vdc. It is designed to be used without a hydraulic supply or mechanical drive. This model is also compliant with EU Directive. Product 8256-021 can also be used with load-sharing accessories and uses switch-selected duel dynamics. The actuator was designed with corrosive resistant material to make it long-lasting and able to withstand high heat.
While the product has been discontinued by Woodward, it can still be found through other sources. It can be bought and sold through AX Control. AX Control also offers repairs for these actuators. Purchase of the product will come with a three-year warranty.