Direct-Operated Servo Valves for Analog Signals D636 and D637 Series

Moog D636 and D637 Series Servo Valve

 

  • Directly driven by linear force motor with no pilot flow required
  • Linear force motor with high force range, offering no flow limitations
  • Directly driven design means pressure-independent dynamic performance
  • Low current consumption at and near hydraulic null

 

Specifications D636 D637
Mounting pattern ISO 4401 size 03 ISO 4401 size 05
Hydraulic Data
Maximum operating pressure – port P, A, B 350 bar (5,000 psi)
Rated flow at ∆pN 35 bar (500 psi) per spool land 5 to 40 I/min (1.3 to 10.6 gpm) 60 to 100 I/min (15.9 to 26.4 gpm)
Maximum flow 75 I/min (19.8 gpm) 180 I/min (47.6 gpm)
Step response time for 0 to 100 % stroke  8 ms  14 ms
Electrical Data
Supply voltage 24 VDC (18 to 32 VDC)
Fieldbus interface CANopen, Profibus and EtherCAT
Rated signal options +/-10 V, +/-10 mA and 4-20 mA
Options Analog signals