Non-Return Valve, back flow preventor for sewer water 110mm Double Flap with Rodent Protection

EDT EuroDrain KESSEL 110mm Double Flap "StauFix'' Non-Return Valve with Rodent Protection Art.Nr 73100R Twin flap backwater valve Staufix Basic With rodent protection (one polymer and one stainless steel flap) Ø 110 Made of polymer Installation area 650 × 300 mm Twin flaps, self-closing, one of which can be locked by hand as an emergency closure. Inlet/outlet for connection to PVC pipe according to EN 1566-1.