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Hayward Perflex Extended
Cycle DE Filter
We
offer a complete line of automatic swimming pool cleaners and parts, from
all the major manufactures. Sta-Rite, Arneson, Jandy,
Hayward, Baracuda, Letro, Kreepy Krauly and many more. Whether its
a single part or a complete swimming pool cleaner, we can supply your needs.
Complete Filters
Replacement Cartridges
Filter Parts
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Cleans pools fast - removes the most minute particles the first time through Patented flex-tube design gives long filter cycles. Cleans without backwashing Corrosion-free construction. Molded of attractive, high strength Duralon. One Size for all pools. Easy to Install. Ideal for new or existing pools.
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| Perflex Model |
Horsepower |
Turnover (8 hours) |
| Model EC-65 |
1/2 HP |
21,000 |
| Model EC-65 |
3/4 HP |
28,000 |
| Model EC-65 |
1.0 HP |
32,000 |
| Model EC-75 |
1.5 HP |
36,000 |
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Major functional parts of the D.E. Filter
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The Perflex filters use diatomaceous earth powder (commonly called D.E.). D.E. will remove particles as small as one micron and is the most efficient dirt remover known. It will remove microscopic dust and pollen.
Unfiltered water enters thru the bottom connection in the filter tank, flows upward thru the Flex-tubes and returns to the pool via the outlet in the filter head. When the filter is initially started. D.E. powder is is fed into the filtration system, usually thru the skimmer. This is called pre-coating. As the water passes thru the flex-tubes the filter powder is automatically coated on the outside of the filter-tubes, forming the working surface. As pool water passes thru the filter, the D.E. coating traps the contaminants, causing the filter pressure to rise. Normal filters would require backwashing to reduce the pressure. The Perflex only requires bumping. Backwash is only necessary, when bumping does not restore the normal flow.
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