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D633 Direct Driven Servo Valve

Testing machine accessory D633 direct driven servo valve
 
The D633 direct acting servo valve as an important testing machine accessory is a high performance servo valve manufactured by MOOG USA. It is used in some of our self-developed servo testing machines.
 
  • The valve uses a linear force motor to drive the spool directly and to conduct the closed loop control through a displacement sensor which mounted at the other end of the spool as the feedback signal input drover, so as to achieve the precise displacement control spool.
  • Compared with the traditional proportional valve, the servo valve has the characteristics of high control precision, fast dynamic response speed and strong anti-pollution ability,
  • As a precise and reliable testing machine accessory, it can fully meet the control performance requirements of the high grade electro-hydraulic servo material testing machine.
Testing ParameterSpecification
Related Flow (L/min)5/10/20/40
Related Pressure (MPa)35
Power Voltage (V)DC24
Signal Voltage (V)±10
Respond Time (ms)≤12