S-220
O-Ring Anti-Flood Valve (Assembl.SN2)
The Backflow Relief Valve is to be installed in the sewage pipes and allows the normal flow of water into the public sewer preventing backflow.
Assembled: the product is fabricated, made using SN4 pipe in accordance with EN1401
Normal lip seal
| Reference | characteristics | Box units | note | Use | Category | DN (mm) | H (mm) | L1 (mm) | L2 (mm) | L3 (mm) | L4 (mm) | RAL | Flaps |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T555191 | - | 1 | Without emergency closure device - Plastic flap | 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 | 500 | 645 | 1100 | 460 | 260 | 660 | RAL 8023 + black | TYPE 0 |
| T556391 | - | 1 | Without emergency closure device - Plastic flap | 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 | 630 | 775 | 1300 | 460 | 260 | 750 | RAL 8023 + black | TYPE 0 |