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Moog Servo Valves For Analog Signals



Moog Servo Valves For Analog Signals Series D638 And D639

  • Directly driven by linear force motor: No pilot flow required
  • Linear force motor with high force range (improves operating limits): No flow limitations
  • Directly driven design: Pressure-independent dynamic performance
  • Low current consumption at and near hydraulic null
  • Spool is in spring-centered position at loss of power supply: Actuator stops
  • Integrated digital electronics with integrated pressure transducer allows a high grade of flexibility

Technical Specifications

  • Rated Flow : 5 to 100 l/min (1.3 to 26.3 gpm) @ ∆p 35 bar (500 psi) per land
  • Maximum Flow : 180 l/min (47 gpm) size 05
  • Maximum Operating Pressure: 350 bar (5,000 psi)
  • Mounting Pattern: ISO 4401 Size 03 and 05 (NG 6 and 10)
  • 00% Step Response : 8 ms @ 210 bar (3,000 psi)
  • Electrical Data Supply Voltage: 24 VDC (18 to 32 VDC)
  • Rated Signal Options : +/-10 V, +/-10 mA and 4-20 mA
  • OptionOptions:bus Interface

This article originally published at : Moog


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