Filter Comparisons
How do competing filter types stack up to automatic, self-cleaning water filters?
A Tekleen water Filter not only saves you time and money replacing cartridges ands bags by automating the cleaning cycle, but is also more advanced and cost-effective than other water filter options available. Below are some of the many advantages automatic filters offers over sand media filters and hydrocyclone separator filters.
| Tekleen Automatic Filter | Sand Media Filter |
Filtration Technique | Physical - Stops particulates larger than mesh opening, ignoring small particulates that can safely pass through the system. | Statistical - Stops small irrelevant particulates. Sensitive to high dirt load of particulates. |
Cleaning Mechanism | Focused backwash. Cleans the entire screen area 100% from impurities. Uses 80 gallons per backwash for a 1,200 GPM single water filter. | Impossible to ensure 100% cleaning of the sand media from impurities. Uses 4,000 gallons per backwash for 1,200 GPM (4x48" tanks).
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Medium Stability | Screen kept stable at all times. | Sand must "float" during backwash. Sand will not return to original compacted state. Sand channeling occurs. |
Installation | Easy to install in any position. | Requires concrete platform, pipings, electric power, etc. |
Maintenance | Virtually maintenance free - easy to dismantle. | Internal maintenance laborious and costly. |
Cost | 25% less than sand media filters | |
| Tekleen Automatic Filter | Separator/Hydrocyclone Filter |
Positive Filtration | Physical - Stops particulates larger than mesh opening and separates the dirty side from the clean side of the filter (inlet from outlet) |
There is no true barrier between the inlet and the outlet of the filter. Due to flow changes, dirt will pass through. Result: dirt in system and plugged spray nozzles. |
Absolute Filtration | Focused backwash. Cleans the entire screen area from impurities. 100% efficient in particulate removal. |
Not 100% absolute filtration. It is "separation" and is determined by the velocity of the water and dirt load. |
Organic Matter | Screen filter will remove 100% of all organic matter from water including pulp down to 10µ. |
Will not remove organic matter since it is lighter than water. |
Inorganic Matter | Screen filter will remove 100% of all inorganic particulates down to 10µ. |
Can remove only up to 98% of dirt load if the dirt is 75µ and larger. Result: clogged spray nozzles. |
Pressure Usage |
Uses approximately 2-3 psi. |
Uses approximately 10-15 psi. |
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