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Drafting Tip #17 - Making a Floating Strainer - Georgia
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By President Mark Davis
January 3, 2019

We know from our 2017 suction strainer research project that barrel strainers are top performing strainers - assuming they are matched to the pump and the accompanying suction hose. A barrel strainer works best when intake flow is unrestricted all around the strainer; thus there are situations where the performance of a barrel strainer is limited. In our rural response areas we commonly see this type of use restriction occur when trying to draft from a shallow-approach pond. There are a number of ways to attack this situation. During our 2011 rural water supply seminar in Bulloch County, Georgia, folks there used a small buoy attached to the pumper's barrel strainer to create a full-flow, floating strainer. The set-up worked well and allowed the strainer to have unrestricted intake flow and therefore giving the pumper full-rated capacity if needed.


Comment Comment 2 Comment(s)

Jack Holbrook January 11, 2019 at 2:01 PM
I see an additional benefit .
With the bouy attached to Barrel strainer the suction it is
going to be much easier to push the suction out into pond.
There will be no dragging on the bottom.

Jack Holbrook January 14, 2019 at 6:22 AM
I believe this would also work in a dump tank. Buoy would stop or reduce whir-pooling. If your down to your last 10” of water you have major problems anyhow. T&E would determine where to set buoy length .

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