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Pre-rotation Basin
Brand: WEMCO® by Trillium Flow Technologies™The WEMCO® Pre-rotation Basin was designed to direct flow to the tangential entrance channel.
The direction of flow through the channel creates a rotation of the fluid inside the prerotation basin, before it enters the pump.
The rotation of the fluid inside the basin folds floatable solids off the surface and into the pump flow stream, allowing removal from the wet well.
The rotation also breaks up surface vortices, allowing a much lower minimum operating level than with conventional submersible pump stations.
This lower operating level scours the bottom of the wet well, re-suspending settled solids so they too, can be removed from the wet well.
The combination of removing the floating and suspended solids results in a wet well that automatically cleans itself every time the prerotation pump runs through its operating cycle.
Features- Self-cleaning Wet Well
- Flow Matching
- Eliminates Vacuum Truck Clean-out
- Reduces Odor, Gas, and Corrosion
- Floatable and Settled Solids Removal
- Simple Installation
- Used With WEMCO Standard Immersible Screw Flow Pumps
- Precast and Cast in Place Basins Available Depending on Flow Rate and Pump Size
Specifications
Size Range and Dimensions
- Basin sizes available for all immersible screw flow pumps
Flow
- Up to 20,000 gpm
- 454 m³/h
Temperature Range
- 32°F – 180°F
- 0°C - 82°C
Materials
- Fiberglass Basin
- Removal of Floating and Sunken Solids
- Mining and Carbon Transfer
- Oily Water
- Food and Beverage
- Sludge and Wastewater
- Unscreened Sewage