CLAPET-DE-NE
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Valves & Flow Regulation
Outfall flap valve
Outfall check valve preventing backflow into gravity pipes and open-air channels. Body, arm, flap and seat in S235JR steel — NBR or Viton gaskets. Optional counterweight assisting opening or closing. DN 200 to 1600+ and custom fabrication.
Available references
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SMEEPIA — DATA SHEET
Technical specifications
Outfall flap valves prevent water backflow into gravity pipes or open-air channels. They can be fitted with counterweights assisting opening or closing depending on the site's hydraulic conditions.
Materials
| Component | Material |
|---|---|
| Corps / Body | Acier S235JR |
| Bras / Arm | Acier S235JR |
| Battant / Flap | Acier S235JR |
| Siège / Seat | Acier S235JR |
| Joints / Gaskets | NBR ou Viton |
Availability
| Characteristic | Value |
|---|---|
| Diamètres nominaux / Nominal diameters | DN 200 à DN 1600+ |
| Fabrications spéciales / Custom fabrication | Sur étude — contrepoids, matériaux, dimensions |
Norms & standards
Acier S235JRNBR / Viton