The WISY® WFF100 Vortex filter is designed to filter water from roof areas up to *200m². The advanced design offers users the finest filtration, unique oxygenation, and the easiest cleaning. It is also extremely robust and durable, having a 30t vehicle-duty capacity. As our preferred filter for domestic rainwater systems, it naturally features in our RainSava® rainwater harvesting systems.
As it is a completely self-contained unit, and separate from the tank, it is far easier and safer to maintain than most in-tank filters. Even with tanks that are only about 60cm below ground, it is difficult to reach into the tank to get to the filter without kneeling or even lying on the ground. With our Vortex filters, there is no need to access the tank, and the long lifting handle supplied makes for really simple maintenance.
So easy access, adding oxygen to the water, and being the finest filter on the market (at 0.28mm) make the VORTEX filter the first choice for any professional rainwater harvesting system.
*the 200m² figure quoted is a nominal figure and should be used as a guide only. It has been calculated based on a rainfall intensity of 5mm per m² in 15 minutes. During such conditions, on a 200m² roof, the filter will function at a hydraulic efficiency of over 95%. This is equivalent to 1.1 litres per second. The actual capacity of a 100mm ID pipe is 4.2 litres/sec with the pipe 0.7 full (according to DIN EN 12056)
- Domestic Rainwater Harvesting systems
- Small commercial rainwater harvesting systems
- Irrigation systems
- Above ground rainwater filtration
- Pre-stormwater management filtration
Because the filtering surface is vertical, the WISY Vortex WFF100 is very efficient at cleaning itself; the flow of incoming water simply washes away any debris that accumulates on the surface of the filter element. Most importantly, all the debris is washed away into the storm drain.
WISY Vortex filters are renowned for their oxygen adding capabilities. When storing rainwater; it is vital that oxygen levels are high to inhibit the growth of undesirable anaerobic organisms and avoid stagnation.
All WISY filter inserts are designed for very low maintenance. It is virtually impossible for debris or dirt to stick to their smooth, stainless-steel surface. As a result, the filter inserts are virtually self-cleaning. When necessary, the filter insert can easily be lifted out of the housing by means of the supplied lifting handle for cleaning, either by hand or using a high-pressure cleaner.
The tough polypropylene casing of the Vortex filter allows for installation in traffic areas. the WISY Vortex 100 can be driven on by vehicles of up to 30 Tonnes (GVW)
Max drained area: 200 m²
Filter efficience: 95%
Filter insert & mesh: Stainless-steel
Filter mesh size: 0.28mm
Rainwater inlet: DN100
Clean water outlet (to tank): DN100
Dirty water outlet: DN100
Cover load: 30t GVW