Woodward 8904-944
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Part Number: 8904-944
Product Introduction: This unit is a complete actuator-and-valve assembly in which Woodward pre-matches the TM-55 electro-hydraulic integrating actuator with a rotary gas valve. It is designed for fuel control on industrial gas turbines. The actuator receives command signals from an electronic controller and, through an electro-hydraulic servo drive, precisely positions the rotary gas valve to achieve high-accuracy fuel metering and regulation. The combination is functionally matched and baselined at the factory and can be mounted directly into the turbine fuel system.
Product Introduction: This valve is supplied in "valve only" configuration and is designed for fuel metering in small- and medium-sized gas turbines and industrial gas engines. It provides reliable gas flow control in industrial power generation, mechanical drive, and combined heat and power (CHP) applications, and is compatible with the full range of Woodward digital controls and actuators. The model corresponds to the SQ-2000-531 series linear position sensor for high-accuracy valve position feedback.