4/3 Directional valve elements, with PO check valves

B8_48 (EDBZ-VR)

Compact direct-operated solenoid valves

Marginal Column

Directional valve elements B8_48… are very compact direct operated solenoid valves which control the start, stop and direction of the oil flow. They consist of a stackable housing with a control spool, two solenoids and two return springs. The PO check valves consist of two calibrated balls with return springs which allow upstream flow, but lock on the respective seats and prevent the return flow. The return flow is possible when they are opened by the pilot piston, if enough pilot pressure is present in the opposite line.

Features

  • Control spools directly operated by screwed-in solenoids with extractable coils
  • In the de-energized condition, the control spool is held in the central position by return springs
  • Wet pin tubes for DC coils, with push rod for mechanical override; burnish surface treatment
  • Single or Dual cross piloted check valves on A and B ports

 
 


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