Aquer Backflow Closure Diameter DN 110 with Lockable backflow Flap

Backflow closure with lockable backflow flap – DN 110. Connection diameter 110 mm. European quality product. According to Euro standard: EN 13564.2. Backflow flap with stainless steel inserts. Rodent safe and longer service life of the shut-off mechanism. The backflow flap also protects against unpleasant odours from the waste water system. Protects all rooms below the rainwater level from flooding. Equipped with emergency lock (red rotary lever) and automatic closure inlet with integrated lip seal, drain pipe nozzle, odour and backflow proof lid seal, inspection lid with 1-fold screw connection, high temperature resistant, automatic backflow flap 110 mm, for installation in exposed pipes DN 110 mm, very easy to use. Why is it worth using a backflow stopper? When backflow occurs, the backflow lock automatically locks the flow through the backflow valve. Lower rooms are thus protected from flooding. After the decrease in the backflow, a normal waste water flow is automatically restored. In addition, our backflow seals offer protection against rodents entering your property through the waste water system through flaps with stainless steel inserts. A locking lever also allows manual closing of the flap in case of prolonged non-use due to holidays or renovations. Thanks to the reinforced construction of our backflow caps, higher rigidity and stability and thus a long service life is guaranteed. Backflow seals offer you a high level of security against flooding of your property. They protect homes and buildings from flooding due to backflow from sewer channels. Automatic operation. They complete a free waste water drainage.