19Price not incl VAT 3P Volume Filter VF1 3P VF1 with Telescopic Extension Art No 1000500 EUR 279 00 Art No 1000580 EUR 310 00 Pre Tank Filters rainwater filters for underground installation Rainwater filter for installation within the ground or a chamber upstream of the rainwater tank Equipped with a sliding telescopic extension shaft that allows easy adjustment to match the local grand elevation during installation If needed the telescopic extension can also be shortened It is also possible to install several extensions on top of each other The 2 stage cleaning principle rough cleaning followed by fine cleaning gives the 3P Volume Filter VF1 high efficiency regardless of the volume flow rate The steep gradient of the filter insert flushes the filtered dirt continuously toward the sewer 3P Volume Filter VF1 3P Telescopic Extension3P Calmed Inlet 3P Overflow Siphon UNO Concrete 3P Special Kit VF1 E EUR 372 00 Art No 1000555 Pipe diameter DN maximum flow rate l s connectable surface area at max 200 l sxha m connectable surface area at max 300 l sxha m DN l s m m 125 11 6 580 387 Average rain yield in Germany at 80 below 15 l sxha This results in a volume flow rate of 0 58 l s at a roof surface area of 387 m Efficiency instead of EUR 389 00 Rainwater filter law DIN 1989 2 type C Inlet connection 2x DN 100 Outlet to the tank DN 100 Outlet to the sewer DN 125 Height difference between inlet and outlet 300 mm Filter screen material Stainless steel 1 4301 Mesh width 0 250 x 0 600 mm Cascade insert material Polyethylene Dimensions 404 x 451 mm Weight 6 2 kg sewer Inflow rate l s h yd r ef fi ci en cy ŋ

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