Directional control valves series VW-01 serve the purpose of dividing and controlling the supply flow fed through the infrastructure of the VT base plate to the different actuators and the return flows from the actuators.
Based on the LSC technology they are designed as LS valves with a downstream compensator and a pressure copier individual for each actuator side. Compensators and
pressure copiers are integrated in the hollow control spool design. The individual selection of compensator and pressure copier per side enables optimal matching to the application and ensures a high level of flexibility and functionality.
At the start of control spool piloting the compensators open the path between pump and actuator only after the pump pressure has reached the load pressure level. This ensures that a function will not drop off when being actuated under load.
Available nominal sizes
- NG18 up to 250l/min
- NG25 up to 400l/min
- NG30 up to 600l/min
Features:
- Various control spools with matched compensator/pressure copier combinations for rotary actuators, synchronized speed cylinders and differential cylinders:
- Adjustable start of function, valve dynamics and stroke limit
- cavity for work port pressure relief and/or make-up valves
- hydraulic piloting with ranges of 6-25 bar as standard and 6-19 bar as option
- Electric piloting via base plate
- Automatic bleeding of pilot pressure lines and pilot pressure caps by bleed valves in the VT base plates and IF32 infrastructure modules)
- Restrictor orifice
