Digital guide

You are here:

Woodward 27E50F-4A09-99

  • Product Name: HRT Series Electro‑Hydraulic Servo Valve
  • Product Description: A precision, high‑response electro‑hydraulic servo valve that converts electrical control signals into accurate hydraulic flow/pressure output, designed for closed‑loop motion control in aerospace and industrial turbomachinery.
  • Technical Specifications:
    • Input Signal: ±10 mA or ±40 mA DC

Detailed content

    • Hydraulic Flow: Up to 19 L/min (5 gpm) at 69 bar (1000 psi)
    • Pressure Rating: 210 bar (3000 psi) maximum
    • Power Supply: 28 V DC
    • Operating Temperature: -54°C to +135°C
    • Fluid Compatibility: MIL‑H‑5606, ISO VG 32 hydraulic oil
  • Key Features:
    • Zero‑lap spool design for high linearity and fast dynamic response
    • Hermetically sealed, corrosion‑resistant stainless steel construction
    • Low hysteresis (<3%) and high repeatability for precision control
    • Qualified for aerospace and industrial safety‑critical applications
  • Applications:
    • Aircraft engine fuel control, industrial gas/steam turbines
    • Hydraulic actuators, valve positioning, and precision motion control
    • Military and commercial aerospace, power generation, and oil & gas

You may also like