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Re: pic: Meet Oscar...(1108)
when you shut off the impeller does the ball release right away?
we are using a commerical piston vaccum pump with commercial suction cups - we get about 25 inches of vacuum, but one thing we have to work out it that when we stop the pump, it takes about 6 to 8 seconds for the ball to release.
we are thinking of either inducing some leakage, or adding a solonoide valve to release the ball.
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