The Woodward UG-25+ Actuator is a microprocessor-controlled, mechanical-hydraulic amplified, actuator for controlling diesel, gas, and dual fuel engines, and steam turbines, and obtains the muscle needed from a standard UG-type engine drive. It takes a standard 4 mA to 20 mA position command control signal from an electronic control system and converts it into a proportional 42 degrees of terminal shaft position to control engine fuel flow.

This fast-acting, high-work-output actuator has no need for any auxiliary devices such as a start booster or oil cooler. Two work output versions are available: 34 J (25 ft-lb) and 41 J (31 ft-lb) with maximum continuous speeds of 1200 rpm (drive shaft speed) for the 0.875 inch (22.22 mm) pump and 1700 rpm (drive shaft speed) for the 0.625 inch (15.88 mm) pump.

The UG-25+ Actuator uses a 1034 kPa (150 psi) internal operating pressure with an internal oil pump driven from the actuator's drive shaft. Oil pressure is maintained by a relief valve system with a drain to an internal oil sump. No separate oil supply is required.

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With the digital controls from Woodward can we deliver a proven fuel system for you. This can be build onside or prefab in a cabinet at our plant.

The UG25+ Actuator with 723+ for generator or propulsion applications

The UG25+ Actuator with 2301E for generator application and load sharing.

The UG25+ Actuator with 2301E-ST for steam turbines

The UG25+ Actuator with 505 for steam turbines

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With the free programmerable controls from Woodward can we deliver a customize system for you. This can be build onside or prefab in a cabinet at our plant.

The UG25+ Actuator with 858 for generator or propulsion applications

The UG25+ Actuator with 733 for generator or propulsion applications

The UG25+ Actuator with 2300E for generator or propulsion applications

The UG25+ Actuator with Atlas-II for generator or propulsion applications

The UG25+ Actuator with 505 for steam turbines

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