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2" - 3" Automatic electric filters for flow rates up to 220 USgpm (50m³/h)
An innovative self-cleaning filter, constructed of high quality plastic; suitable for a large variety of applications.
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Read MoreProduct No. | Description | Max. Flow Rate |
Max. Pressure |
Filtering Surface Area |
Backflush water per flush cycle |
Inlet-Outlet Diameter |
Weight (empty) |
||
---|---|---|---|---|---|---|---|---|---|
3-9301-2151-3400 Choose this option | 3'' Automatic Filter |
220 USgpm 50 m³/h |
120 PSI |
110 in² 700 cm² |
6.6 USgal 25 liters |
3'' 80 mm |
28.7 lb 13.0 kg |
Choose this option |
2" - 3" Automatic electric filters for flow rates up to 220 USgpm (50m³/h)
An innovative self-cleaning filter, constructed of high quality plastic; suitable for a large variety of applications.
Features:
How does the "TAF" filter work ?
The "TAF" is a sophisticated yet easy-to-operate automatic electric filter, with a self-cleaning mechanism driven by an electric motor. The filter is designed to work with various types of screens in filtration degrees from 500 to 10 micron, and is available in 2", and 3" inlet/outlet diameter.
Filtering process:
The water enters through the inlet pipe into the screen area and flows through the screen from inside out. The "filtration cake" accumulates on the screen surface and causes head loss to develop.
Self-cleaning process:
The TAF will start the self-cleaning process either when the pressure differential across the screen reaches a pre-set value or after a predetermined lapse of time.
The fine screen filter element is cleaned by the suction scanner whose nozzles spiral across the inner surface of the screen. The filtration cake is ”vacuumed” from the screen and expelled out the exhaust valve.
The scanner’s spiral motion is achieved by a drive unit mounted to a bi-directional continuous worm shaft. The exhaust valve is activated for the duration of the cleaning cycle by a 3-way solenoid.
Filtered water continues to flow downstream during the flush cycle, which takes approximately 16 seconds.
Control system:
The control system comprises a Pressure differential switch (PDS), solenoid valve and a flushing controller.
The PDS senses the pressure differential across the screen and when it reaches 0.5 bar (7 psi) it sends a signal to the electronic controller. The controller activates the motor and the solenoid valve for the timed duration of the flushing cycle.
Initiation of self-cleaning:
The filter will begin the self-cleaning process under any one of the following conditions:
The filter is available with 2 different element sizes: 2" with 72 in² (465 cm²) or 2"-Super and 3" with 108 in² (700 cm²). The "super" feature allows longer intervals between cleaning cycles and is highly recommended for use with poor water quality.
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