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Screw-in miniature valves avoid need for hosing

20 March 2009

Schunk has introduced a series of miniaturised MV-series pneumatic valves that can be screwed directly into the corresponding actuator to reduce the need for hosing between the valve and the actuator. This hose-free assembly also saves valuable compressed air, as each cycle no longer requires the entire supply line to be filled and emptied, thus reducing the cycle times.

Accompanying the miniaturized MV-series pneumatic valves is the ABV add-on valve that further reduces the wiring required for electrical supply and signals. It consists of an electrical distributor box and two 3/2 micro valves that are screwed directly to the corresponding actuator. Both the valves and the optional sensors are fitted with pre-cut 30cm wires with a three-pin M8 plug that is simply connected to the distributor box.

The cables for actuating the pneumatic valves and for forwarding the sensor signals therefore no longer have to be routed along the entire distance from the actuator to the control unit. Instead, they are connected to the distributor box that is now in the direct vicinity of the actuator. From this distributor, only one multi-core cable runs to the control unit in addition to the pneumatic hose, significantly reducing the total amount of wiring needed.

The advantages of hose-free direct mounting are fully retained by the ABV, and the valves are precisely matched to the corresponding actuator in terms of air flow and air connection size.

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