| 1. Backflush piping and valve is mounted at the top of the tank wall for easy access from the walkway. |
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| 2. The backflush clears large solids out of the jet nozzles. |
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| 3. Backflush is mounted on pump discharge near the top of the tank. |
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| 4. The blue piping on the outside of this tank is the exterior-mounted backflush system. |
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| 5. Blue piping is the exterior backflush system. Yellow piping is the air lines. |
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| 6. Backfllush for a lagoon aerator in operation. |
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| 7. Backflush is mounted on the pump discharge line. |
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| 8. Backflush mounted on vertical liquid line piping. |
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| 9. Backflush in operation in an oxidation ditch. |
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| 10. Same backflush as above, during installation. |
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Fax: 937-435-9200 
