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Woodward 9902-441

Product Name:​ VG Electro-hydraulic Controller (P31) – 3055 Hydraulic Pump / Servo Valve Assembly
Product Introduction:​ The 9902-441 is a Woodward hydraulic pump and servo valve assembly for GE LM2500+ gas turbines, part of the 3055 Hydraulic Pump/Servo Valve Assembly product line. The assembly uses a positive-displacement gear pump to supply hydraulic pressure to the fuel metering valve/actuator (FMV/A) and variable stator vane (VSV) servo valve and actuator.

Woodward 9902-440

Product Name:​ VG Electro-hydraulic Controller (P30) – 3055 Hydraulic Pump / Servo Valve Assembly
Product Introduction:​ The 9902-440 is a Woodward hydraulic pump and servo valve assembly for GE LM1600 gas turbines, belonging to the 3055 Hydraulic Pump/Servo Valve Assembly family. The hydraulic pump is a positive-displacement gear pump for industrial gas turbines, supplying hydraulic pressure to the fuel metering valve/actuator (FMV/A) assembly and variable stator vane (VSV) servo valve and actuator.

Woodward 9902-439

Product Name:​ VG Electro-hydraulic Controller (P29) – 3055 Hydraulic Pump / Servo Valve Assembly
Product Introduction:​ The 9902-439 is a Woodward hydraulic pump and servo valve assembly configured for GE LM2500 series gas turbines. It forms part of the 3055 Hydraulic Pump/Servo Valve Assembly family, where the hydraulic pump is a positive-displacement gear pump supplying hydraulic pressure to the fuel metering valve/actuator (FMV/A) assembly and the variable stator vane (VSV) servo valve and actuator.

Woodward 9908-265

  • Product Name:​ ProAct™ Analog & Digital Plus Electric Actuator (model 9908-265)
  • Product Introduction:​ The ProAct is an integrated electric actuator with an onboard driver, designed for on-engine mounting to control fuel rack position, timing, throttle, or wastegate functions. The Digital Plus version includes an integrated digital driver with CAN communication and advanced diagnostics.

Woodward 9908-263

  • Product Name:​ GS16 Gas Fuel Metering Valve (model 9908-263)
  • Product Introduction:​ The 9908-263 is a GS16-series electrically driven gas control valve designed for industrial and aeroderivative gas turbines. It provides a reliable, cost-effective interface between electronic control systems and gas turbines for precise fuel metering.

Woodward 9907-687

  • Product Name (reference):​ MSLC Master Synchronizer and Load Control
  • Product Introduction:​ A microprocessor-based overall plant load control designed for use with Woodward DSLC controls on each generator, providing utility synchronizing, paralleling, loading/unloading of a three-phase generating system.

Woodward 9907-575

  • Product Name (reference):​ 505/505E Digital Turbine Control
  • Product Introduction:​ A 32-bit microprocessor-based digital control unit for steam turbines, field-configurable for speed, load, extraction/admission pressure, and cascade control.

Woodward 9907-553

  • Product Name:​ GS16 Gas Fuel Metering Valve (model 9907-553)
  • Product Introduction:​ The GS16 is an electrically actuated gas fuel metering valve with an onboard electronic positioner controller. It is designed for industrial and aeroderivative gas turbines with power ratings between 10 and 50 MW.

Woodward 9907-537

  • Product Type (reference):​ Digital Turbine Control (505E-class)
  • Product Introduction:​ Microprocessor-based digital controller for steam turbines, including single-extraction and/or admission applications.
  • Technical Specifications (reference 505E):​
    • Power Input: 18–32 Vdc, 90–150 Vdc, 88–132 Vac (47–63 Hz), or 180–264 Vac (47–63 Hz)

Woodward 9907-528

  • Product Name:​ SPM-A Synchronizer Module (9907-028 reference)
  • Product Introduction:​ A synchronizer module designed for generator and bus systems, performing automatic frequency/phase matching for parallel operation.
  • Technical Specifications (reference 9907-028):​
    • Power Supply: 18–32 VDC (typical working range)

Woodward 9907-526

  • Product Name:​ VariStroke-II Electro-Hydraulic Actuator (model 9907-526 configuration)
  • Product Introduction:​ The VariStroke-II is an electro-hydraulic actuator that provides precise, high-force linear positioning for fuel valve and turbine control applications. Model 9907-526 defines a specific stroke length, bore size, and failsafe configuration within the VariStroke-II family.

Woodward 9905-915

  • Product Name:​ Excitation Control Module (Woodward 9905 Series)
  • Product Introduction:​ The 9905-915 belongs to Woodward's 9905 series of control modules. Within the 9905 family it is configured as an excitation control module used in turbine and generator control systems.