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Woodward 8915-881

  • Product Type: 3151A Water Valve
  • Core Function: Precision metered water injection into gas turbine combustion chambers
  • Medium: Water
  • Flow Rate: Minimum 3.8 L/min (1 US gal/min); Maximum 250 L/min (66 US gal/min)

Detailed content

  • Supply Pressure: 2413 to 10 342 kPa (350 to 1500 psig)
  • Flow Accuracy: 5.0% of point or 0.5% of maximum flow
  • Filtration: 10 μm nominal, 20 μm absolute
  • Temperature Range: 0 °C (32 °F) to 66 °C (150 °F)
  • Material Composition: Stainless steel valve body; hardened stainless-steel replaceable sleeve; ceramic metering valve and regulator parts
  • Structural Features: Variable-area-metering valve with contoured ports; single-stage delta-P regulator piston
  • Working Principle: The metering plunger (driven by actuator) sets the port opening; the regulator piston senses and controls the pressure drop across metering ports so flow remains unaffected by variations in valve inlet or discharge pressures
  • Applications: GE gas turbine water injection; NOx emission reduction; works with Woodward EM Digital Driver or 24 V DVP
  • Installation Requirements: Install per Woodward 3151A Water Valve documentation; water supply must meet 10 μm nominal / 20 μm absolute filtration requirement
  • Usage Notes: Read all related manuals before installation, operation, or service; do not modify or use outside specified operating limits; follow ESD precautions—avoid synthetic materials, do not touch PCB components directly; unauthorized modifications constitute misuse and void warranty

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