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Hydraulic, pneumatic servovalves

July 14, 2010

Edited By Mary C. Gannon R-DDV (rotary-direct drive valve) servovalve features a rotary torque motor that drives a valve spool directly through an eccentric, which is built into the motor shaft. Rotary operation of motor results in linear spool ...

Associate Editor

Edited By Mary C. Gannon

R-DDV (rotary-direct drive valve) servovalve features a rotary torque motor that drives a valve spool directly through an eccentric, which is built into the motor shaft. Rotary operation of motor results in linear spool motion that modulates fluid flow through the control ports of the valve. It offers 0.18 to 60 gpm for hydraulic flow and 0.45 to 136 scfm for pneumatic flow. Operating pressures are from vacuum to 5000 psi. Electronic controller generates a signal to drive the motor to commanded position.
Woodward, (661) 294-6000, www.r-ddv.com

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