Backflow Preventation Valve

Using an integrated overflow and back-flow prevention valve saves fitting separate components at site – saving both time and
money.Fitting the 3P Overflows with Integrated Backflow Prevention Valve is as easy as fitting a 3P Overflow; there is no
need to install a separate back-flow valve in an external chamber

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Backflow Prevention Valve DN 100

4018712002782

Dimensions: 500 mm x 260 mm

3P Backflow Prevention Valve DN 100 prevents the backflow of any contaminated water entering the rainwater tank. It is suitable for installation in tubes DN 100 and exists of a standard backflow security. The backflow prevention valve allows the water flow only into one direction. A knuckle makes sure that the overflow of the rainwater tank works under normal conditions. If the water flows in the other direction, the valve would close and prevents that dirt is floating into the rainwater tank. The valve has a special sealing integrated.

 

Please click on the loupe where you will find functional principle and dimensions

Backflow Prevention Valve with Siphon UNO / DN 100

4018712002799

Dimensions: 850 mm x 260 mm

Same character as backflow prevention valve DN 100, additional with special overflow siphon uno, overflow with odour trap and suction of the surface water.

Please click on the loupe where you will find functional principle and dimensions

Backflow Preventation Valve with Siphon DUO / DN 100

4018712002805

Dimensions: 850 mm x 480 mm

Same character as backflow prevention valve DN 100, additional it has a special overflow with odour trap and suction of the surface water.

The 3P Backflow Prevention duo is installed inside the rainwater tank, between the filter and the tank wall overflow outlet. Therefore unnecessary installation time and fittings are omitted. Because of the firm height difference inside the overflow siphon, installation errors can be avoided and the funcionality is secured. Overflow siphon with a lateral suction of the surface water on both sides inside the rainwater tank. No entry of rodents. Connection for supporting tube available.

Please click on the loupe where you will find functional principle and dimensions