| 摘要 |
The invention concerns a filter comprising a vessel (2) sealingly closed with a lid, the vessel containing at least a basket (4) housing filtering components (5) and including an upper wall (9) supported sealed in the central part of the lid (3) and enabling communication with said central part which contains a pump (16) circulating water, the water being brought through the lid by a pipe (13) passing therethrough, descending into the vessel outside the basket, penetrating therein through its base, passing through the basket (4) from down upwards passing over the filtering components (5) and emerging from the basket at the top and into the central part thereof to be sucked up by the pump (16) and delivered into the pipe (18) passing through the lid towards the delivery conduit towards the tank, including means (25, 26, 27, 28, 29) automatically evacuating air on the side delivering water.
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