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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.
Detailed content
Technical Specifications:
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Turbine Application: GE LM1600
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Assembly Position: P30
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Pump Type: Positive-displacement gear pump
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Companion Servo Valve: 9902-413 (P23)
Functional Features:
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Supplies hydraulic pressure to FMV/A and VSV servo valve/actuator
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Integrated into Woodward 3055 hydraulic pump/servo valve assemblies
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Engineered for industrial gas turbine service
Application Scenarios: GE LM1600 gas turbine fuel metering and variable stator vane control.
Working Principle: The positive-displacement gear pump produces hydraulic pressure that actuates the fuel metering valve/actuator and VSV actuator for compressor vane control.
Installation Requirements: Install per Woodward manual 26212. Confirm the latest revision of all technical publications prior to installation.
Usage Notes: Observe all safety precautions. The prime mover requires a totally independent overspeed shutdown device. Wear appropriate PPE including eye protection, gloves, and safety boots.
