| 摘要 |
Liquid flows into the container 1 via inlet 7 which has at least two outlets (12 or 13 reflecting two respective separate embodiments). This is stated to reduce wear on filter bags 5. Filtration aid (such as diatomaceous earth) and dirt fall into container 1 during no flow through inlet 7. On start-up, during a subsequent cycle, inlet liquid is stated to be directed in advantageous directions.
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