CWF Flushing Bell
The Hydrok CWF Storm Flush storm tank cleansing system, also referred to as the Hydrok
‘Flushing Bell’, provides a cost effective solution for the removal of sedimentation
by the use of automatic, self regulated flushing technology.
The CWF Storm Flush system is a highly effective non-powered cleaning system
for all storm water retention tanks utilising the storm water for the flushing
process thus requiring no additional fresh water.
Operating Principle
The CWF Storm Flush is a simple method for sediment removal. Storm water is held in
reserve in the storage reservoir, filled during the tank filling process. At the end of a
storm event and after the system has emptied, the retained flushing water is released via
the vacuum break within the flushing vessel. This creates a RFP (Roughing, Fine and Polishing)
staged flushing regime which mixes and carries the sediment from the base of the tank to the
receiving sump.
The Hydrok CWF Storm Flush – Patent applied for: GB1020686.0
Advantages and Benefits
- Cleans ecologically, without external power, without external water supply and without controls
- Flushes even after partial fillings
- Fully self priming and flushing operation
- Suitable for new tank and existing tank retrofit
- Suitable for both open and below ground installations
- No moving parts
- Intrinsically safe
- Any shape tank
- Utilises storm water for the flushing process
- Retains total volume of storm tank
- Final flush polishing stage utilizes settled storm water
- Synchronised flushing of multi unit installations within larger tanks
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