Advantages
- No Granular Media to Replace
- High Flow Rates & Maximum Surface Area
- Loading Rate of 0.05 gallons per minute (gpm)/sq.ft., for Minimal Maintenance
- Membrane Filters can be Easily Removed & Cleaned by Hand
- Built-in Pretreatment Chamber Captures Trash, Sediments, Debris and Hydrocarbons
- Filters Dry out between Storm Events to Prevent Biofilm Growth which can Cause Clogging and Other Performance Issues
Learn More About the Kraken Filter
Our local stormwater experts come to you!
The Kraken® Filter’s low loading rate allows it to keep maintenance needs low and prevent clogging issues often found in other filter systems advertising high loading rates. Request a lunch & learn or project review session today, and get regionally-focused insight and solutions from local Bio Clean stormwater experts.
Approvals
Washington State Department of Ecology
New Jersey Corporation for Advanced Technology (NJCAT)
New Jersey Department of Environmental Protection (NJDEP)
Atlanta Regional Commission
Maine Department of Environmental Protection
Pennsylvania Department of Environmental Protection
Applications
The Kraken Filter’s ability to accommodate high flow rates while requiring minimal maintenance,
makes it beneficial for a wide range of stormwater applications.
Kraken Configurations
We offer two Kraken Filter configurations: The standard model (square) and the round manhole configuration – Round Kraken.
Standard Kraken
Round Kraken
- Surface area and pretreatment benefits
- Maintenance benefits
- Shallower excavation
- Smaller lateral footprint
- Other retrofit advantages
- Optimal lead times
System Operation
Pretreatment
Membrane Filtration
Peak Capacity
Bypass
Case Studies & News
Performance
Maintenance & Installation
- Lowest Life-cycle Cost of Any Media Filter
- Fast and Simple Maintenance Procedures
- Easily Cleaned with a Standard Vacuum Truck
- Reusable Filter can be Cleaned with a Standard Garden Hose
- Small Footprint Reduces Installation and Shipping Costs.
- No Deep Sump Chamber as Found with Tentacle-type Systems. Reduces Excavation Costs.
Sizing Table
Model Sizing
| Model # | Structure Size (ft. x ft.) | Cartridge Capacity | Max Media Surface Area (sq. ft.) | Treatment Flow Capacity (CFS) |
|---|---|---|---|---|
| KF-2.5-4 | 2.5′ x 4′ | 4 to 8 | 1360 | 0.15 |
| KF-4-4 | 4′ x 4′ | 9 to 16 | 2720 | 0.30 |
| KF-4-6 | 4′ x 6′ | 17 to 24 | 4080 | 0.46 |
| KF-4-8 | 4′ x 8′ | 25 to 32 | 5440 | 0.61 |
| KF-8-8 | 8′ x 8′ | 33 to 48 | 8160 | 0.91 |
| KF-8-10 | 8′ x 10′ | 49 to 65 | 11220 | 1.25 |
| KF-8-12 | 8′ x 12′ | 67 to 78 | 13260 | 1.48 |
| KF-8-14 | 8′ x 14′ | 79 to 96 | 16320 | 1.82 |
| KF-8-16 | 8′ x 16′ | 97 to 114 | 19380 | 2.16 |
| KF-10-16 | 10′ x 16′ | 115 to 152 | 25840 | 2.88 |
See design manual for list of all models. Many other models and structure sizes are available for higher flows. Please contact us for more details.
