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2 counter clockwise pump operation – Watson-Marlow SP40 User Manual

Page 49

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MAINTENANCE OF CAM AND ACTUATORS

46

8.6.2

Counter clockwise pump operation

Pressurizing port 1 on the spool valve without
electrically activating the valve will result in a clockwise
rotation of the actuator towards "closed" position. This
brings the pump in pumping position.
Pressurizing port 1 on the spool valve and electrically
activating the valve will result in a counter clockwise
rotation of the actuator towards "open" position. This
brings the pump in CIP position.

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