S-220

Anti-backflow OPTIMAL valve 1 plate M/F with lip seal

The "OPTIMAL" anti-backflow valve is to be installed in the drainage pipes and allows the normal outflow of water into the public sewer preventing backflow.

Certified at the LGA Institute, according to European standard EN 13564, CE marked according to European standard EN 13564-1.
Blocked lip seal.
All other diameters are available in the CLASSIC version.

Reference Box units measurement Length Nominal diameter product.detail.attribute.excentr note Use Category Colour DN (mm) S (mm) L (mm) L1 (mm) L2 (mm) L3 (mm) L4 (mm) Offset (mm) Flaps Flap Stainless Steel
11R1148 60 110 171 110 7 Stainless steel flap CE Marked according to the norm EN13564 Certified by German Institute LGA Inlet and outlet of the valves are in accordance with EN 1401 and EN 1329 Tightness 0,5 bar Material U-PVC The non return valve can be installed both indoors and out. Installation that allows easy inspection, inside an accessible recess, in an inspection pit, or in sight installation on a pipelin Non-return valves Black 110 3,2 171 65 63 350 184 7 TYPE 1 Flap Inox
11R1248 24 125 255 125 9 Stainless steel flap CE Marked according to the norm EN13564 Certified by German Institute LGA Inlet and outlet of the valves are in accordance with EN 1401 and EN 1329 Tightness 0,5 bar Material U-PVC The non return valve can be installed both indoors and out. Installation that allows easy inspection, inside an accessible recess, in an inspection pit, or in sight installation on a pipelin Non-return valves Black 125 3,2 255 73 69 458 226 9 TYPE 1 Flap Inox
11R1648 24 160 255 160 9 Stainless steel flap CE Marked according to the norm EN13564 Certified by German Institute LGA Inlet and outlet of the valves are in accordance with EN 1401 and EN 1329 Tightness 0,5 bar Material U-PVC The non return valve can be installed both indoors and out. Installation that allows easy inspection, inside an accessible recess, in an inspection pit, or in sight installation on a pipelin Non-return valves Black 160 4,0 255 83 82 491 226 9 TYPE 1 Flap Inox