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ECO-0438955
REV:A
Installation and Operation Manual
Needle Valves & Ball Valves
Hi-Pro Ball Valve:
To close: Operate the handle (17) until it is at 90° from the valve body centreline.
To open: Operate the handle (17) until it is in line with the centreline of the body and reaches the stop
pin.
Movement is limited to 90° by a mechanical stop pin.
Ball valves should always be fully open or fully closed. Do not leave in a mid-position.