| 摘要 |
<p>PURPOSE: A rotatable valve unit for water treatment device is provided, which improves the operation of the media and extents its life. CONSTITUTION: Regeneration of water treatment media includes a water treatment unit having one or more media therein, and which upon initiation of flow of the water, imparts turbulence and abrasion to the treatment medium to automatically cleanse the media of light solid contaminants, as well as contaminants coatings on the media. In addition, the water treatment unit is provided with a rotatable valve and may simply rotated through and one of a number of positions between service, backwash, flush off, and/or bypass operational modes for further regeneration of th treatment media.</p> |
