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Woodward 9902-701

Product Name:​ GE LM6000 Gas Turbine Hydraulic Control Unit (HCU) — Variant of 9902-364
Product Introduction:​ The 9902-701 belongs to the same Woodward HCU family as the 9902-364 for the GE LM6000 gas turbine, with identical functional positioning. It is an order variant or improved version of 9902-364, corresponding to different engine package configurations (such as PF+, SPRINT versions) or different factory calibration parameters.

Woodward 9902-365

Product Name:​ VariStroke Linear Electro-Hydraulic Valve Actuator (Integrated Double Acting Type)
Product Introduction:​ The 9902-365 belongs to Woodward's VariStroke series of linear electro-hydraulic actuators. This series is designed for steam turbine and hydro turbine control valves (or valve groups), utilizing a low-pressure hydraulic oil source (typically turbine lubricating oil) to provide output shaft thrust. Its excellent precision and resolution make it highly suitable for steam valve control applications where turbine availability and runtime are critical.

Woodward 9902-364

Product Name:​ GE LM6000 Gas Turbine Hydraulic Control Unit (HCU)
Product Introduction:​ The 9902-364 is a Woodward hydraulic control unit designed for the GE LM6000 aeroderivative gas turbine. Used in conjunction with the Woodward NetCon 5000 Digital Control System, it controls variable-geometry actuator positions in the compressor stage. The HCU is dual-channel and contains three variable-geometry servovalves (torque motor servovalve + pilot valve), forming the core hydraulic component of the LM6000 engine package.

Woodward 9902-343

Product Name:​ 505 Series Turbine Control System Calibration and Interface Module
Product Introduction:​ The 9902-343 is a system calibration and signal conditioning module within Woodward's 505 series turbine control system, serving power management, actuator calibration, three-phase CT/PT signal interfacing, and closed-loop signal testing within the control cabinet. It is an important component of a complete turbine digital control system.

Woodward 9902-339

Product Name:​ 505 Series Digital Turbine Controller
Product Introduction:​ The 9902-339 is a 505 series microprocessor-based digital turbine controller. Its internal application software is field-programmable, guiding engineers through menu-driven software for programming configuration in power generation or mechanical drive applications.

Woodward 9902-337

Product Name:​ VSV (Variable Stator Vane) Hydraulic Control Mechanism
Product Introduction:​ The 9902-337 is part of Woodward's VSV variable stator vane control series, specifically designed for adjusting the vane angle of the compressor stage in non-aviation gas turbines (such as GE LM series aeroderivative gas turbines). It drives vane rotation via a hydraulic servo mechanism to prevent compressor stall and ensure efficient operation under partial-load and variable-speed conditions.

Woodward 9907-606

Product Name:​ 2301A Electronic Load Distribution and Speed Controller (9907 Series)
Product Introduction:​ The 9907-606 belongs to Woodward's 2301A 9907 series of microprocessor-based electronic controllers designed for speed control and load distribution of turbines, engines, and other prime movers. It simultaneously performs speed governing and load sharing to ensure stable operation during standalone or parallel operation.

Woodward 9902-403

Product Name: VSV / IGV Servovalve and Actuator System Component
Product Introduction: The 9902-403 is part of Woodward's VSV (Variable Stator Vane) and IGV (Inlet Guide Vane) electro-hydraulic control product family, documented in Woodward manual 40136. As a member of the 9902 VSV/IGV product line, it operates within the dual servovalve and actuator system architecture that provides closed-loop positioning of compressor variable geometry on gas turbines.

Woodward 9902-402

Product Name: VSV / IGV Servovalve and Actuator System Component
Product Introduction: The 9902-402 is a member of Woodward's VSV (Variable Stator Vane) and IGV (Inlet Guide Vane) electro-hydraulic control product family, covered by Woodward manual 40136. Within the 9902 VSV/IGV series, it functions as part of the dual servovalve and actuator system providing closed-loop hydraulic positioning of compressor variable geometry.

Woodward 9902-401

Product Name: VSV / IGV Servovalve and Actuator System Component
Product Introduction: The 9902-401 belongs to Woodward's VSV (Variable Stator Vane) and IGV (Inlet Guide Vane) electro-hydraulic control family, documented in Woodward manual 40136. Within the 9902 VSV/IGV product line, it operates as part of the dual servovalve and actuator system delivering closed-loop hydraulic positioning of compressor variable geometry on gas turbines.

Woodward 9902-400

Product Name: VSV / IGV Servovalve and Actuator System Component
Product Introduction: The 9902-400 is part of Woodward's VSV (Variable Stator Vane) and IGV (Inlet Guide Vane) electro-hydraulic control product family, covered by Woodward manual 40136. As a member of the 9902 VSV/IGV series, it functions within the dual servovalve and actuator architecture providing closed-loop positioning of compressor variable geometry.

Woodward 9902-399

Product Name: VSV / IGV Servovalve and Actuator System Component
Product Introduction: The 9902-399 is a member of Woodward's VSV (Variable Stator Vane) and IGV (Inlet Guide Vane) electro-hydraulic control family, documented in Woodward manual 40136. Within the 9902 VSV/IGV product line, it operates as part of the dual servovalve and actuator system providing closed-loop hydraulic positioning of compressor variable geometry.