Roller operated spool valve WDTFA04

Spool valves direct operated manual actuation / mechanical actuation NG4-Mini

Direct operated valve, roller operated with 4 connections in 5 chamber design. Without actuation, the spool is switched back to the offset position.

Switching valves Roller operated spool valve WDTFA04

Spool valve

  • Flange construction
  • roller operated
  • 4/2-way with spring reset
  • Qmax = 30 l/min
  • pmax = 350 bar


Spool valves are mainly used for controlling direction of movement and stopping of hydraulic cylinders and motors. Manually or mechanically operated valves are particularly suitable for use in installations where no electric current is available or for applications in explosion hazard areas.