GENERAL DESCRIPTION

Gravel filter is special designed AUTOMATIC filter for water from reseviors and ponds, which normally carry lots of residues including sands, clays, plants, even animals.

Gravel filters are particularly effective for filtering algae, organic matter and recycled water.

It uses sand as a bed that captures the suspended matter in the waterflowing through.

Gravel filters use a unique design of a double bottom chamber, divided by a welded reinforced steel plate.

The upper chamber contains the sand, the lower chamber is empty andcollects the filtered water.

The plate is covered by "mushroom" diffusers which are plastic, slotted conical units. They disperse the water uniformly, using effectively the whole gravel volume avoiding the occurrence of channeling or caking when operated correctly. This filter is particularly suitable forbackflushing - a process involving the reversal of the water flow, causing a turbulent expansionof the gravel as a fluidised bed.

This flushes out the entrapped debris effectively.

After the backflushing is completed, the filter resumes its normal filtering mode as clean as anew filter.

The backflushing process can be activated manually or automatically by controller or computer. We offer AC controller and DC controller as well.

Available in the following inlet sizes: 2", 3", 4".

Available in the following body diameters: 24",30",36",48"

Technical Data

Gravel Filter uses sand for depth filtration. 

Double bottom chamber with "mushroom" diffusers for efficient filtration and backflushing.

Minimum sand size: 0.6 mm.

After backflushing, filter resumes its normal filtering mode as a new filter.

Max. recommended working pressure: 8 bar (120 psi).

Max. pressure: 10 bar (150 psi).

Rubber coated metal legs isolate the filter from the ground to prevent corrosion and damageto the protective coating.

Large service openings for inspection and service.

Modular design (ARRAY BATTERY) is particularly suitable for flexibility in assembly of arrays for various flow rates.

gravel filters