Burkert Type 2051 - Manual (Page 11)

11
System Description
schematic representation of control function i
Connection 2 Connection 4
Counterclockwise rotation Fig. 4:
Control air on connection 2 moves the pistons in the direction of the
actuator covers. Rotation is anti-clockwise. Exhaust air via connection
4.
Connection 2 Connection 4
Clockwise rotation Fig. 5:
Control air on connection 4 moves the pistons inwards. Rotation is
clockwise. Exhaust air via connection 2.
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Type 2051