Cartridge Spool Valve WK42A/WK42AD
Cartridge Directional Valves

Cartridge Spool Valve WK42A/WK42AD

Pressure [bar]


Flow rate [L/min]


The WK42A … series of 4/2 directional valves are solenoid actuated screw-in cartridges, nominal size 5 mm. They are direct acting, spool type units. The range is based on the 3/4-16 UNF mounting thread. The straightforward design delivers an outstanding price/ performance ratio and good Δp-Q characteristics. All exposed steel parts are zinc plated and the valves are suitable for use in the harshest operating environments. The core tube/slip-on coil design allows coils to be changed without opening the hydraulic envelope, even when the valve is under pressure. Coils can be secured at any angle through 360° and are available with the common electrical connectors. The valves are designed to be fitted with a normal 24 A/F OE spanner in BUCHER cavity type AN but can also be installed in some other makes of 3/4-16 UNF cavity.

  • High flow rates
  • High pressure wet-armature solenoids
  • Coils can be changed without opening hydraulic envelope
  • All exposed parts with zinc-nickel plating
  • 3/4-16 UNF mounting thread
  • BUCHER cavity type AN
  • Line mounting body (G 3/8”) is available
  • Can be fitted in ”VV” stacking assemblies
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