Spool pneumatic directional control valve 105 series

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The series 105 consist of a broad range of miniature valves and valves with various type of actuation. The connections are M5 for this series. Due to their special construction with a balanced spool, these valves can be used interchangeably as 3 ways or 5 ways as can be seen in the functional schematics in section 0. This is important because, for example, the 3 ways can be used normally closed or normally open and the 5 ways can be fed through the exhausts 3 and 5 with different pressures according to the need. The spool, as it is moving, isolates the connections without being affected by the inlet pressure.