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).
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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