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Operation and use of ball valves
Nov 01, 2018

1) Verify that the piping and valves have been rinsed before operation. 2) Valve operation according to the actuator input signal size to drive stem rotation completed: The positive rotation of 1/4 laps (90°), the valve shut off.

The valve is turned on with a reverse rotation of 1/4 laps (90°).

 3) When the actuator direction arrow is parallel to the pipeline, the valve is open and the valve is off when the arrow is perpendicular to the pipeline.


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