Aquaculture Systems Technology Bubble Bead XS4000 Pond Filter Skid 4000 Gallons – BBF-XS4000-S
Max Flow Rate (gpm) – 30
Cubic Feet Bead Media – 2
Height / diameter (in) – 49/19.5
Inlet and Outlet Sizes (in) – 1 1/2in
Backwash Water Loss (gallons) – 25
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Prefabricated for Quick and Easy Installation
Skids includes 1/8 H.P. External water pump and 40 Watt UV
With our Bubble Bean skid systems, you can rest assured that AST’s engineering professionals have done all of the hard work for you. These skid systems offer automated backwash functionality that can be set at specific time increments and sequences. They come with a controller and controller stand installed directly on the skid!
With a skid system by AST, it is easier than ever to get started with your project; just hook the system directly to your tank or pond and plug it in!
- Mounted on a skid for indoor or outdoor use
- Reliable, gentle backwash operation
- Optional UV sterilization available
- Centrifugal pumps with strainer baskets
- Pump Assisted Backwash Kits for pressurized discharge of backwash waters
- Automated systems include separate sludge pumps
- Plumbed using Schedule 40 PVC
- Unions at strategic locations for easy maintenance
- Simply connect a line leading from your pond or tank to the pump suction, and a line leading from the filter outlet back to the pond or tank!
How Does Bubble Bead Technology Work?
Bubble differs from the Propeller Bead and Polygeyser bead filters in its simpler, yet very effective gentle backwash. The backwash is started by shutting off the circulation pump and opening the sludge valve. As the water drains from the filter, a check valve on the effluent line closes, creating negative pressure in the filter. The potential energy of the water leaving the filter pulls air in through the air inlet. Expanding and agitating the bead media in a vigorous boiling type action as it passes downward through our unique washing throat.
As the beads enter the lower expansion chamber, the downward velocity decreases due to the increased cross sectional area so the beads are suspended as the water washes the solids away from the beads and out of the filter. Once the flow of the wastewater stops, the backwash is complete. Simply close the sludge valve and turn the circulation pump back on. Your filter is now in normal operation with a clean filtration bed.
The Bubble Bead backwash is vigorous enough to remove unwanted solids and debris, yet gentle enough maintain a healthy bio-film on the bead Media. In fact, during testing the nitrification rate actually increased with increased backwash frequency.