WIEROM GmbH in Nordkirchen-Capelle/ Germany
Sewage swing check valves
Description
Sewage-swing check valves with smooth through pass and maintenance free. The seat of the flap is made of a favourable angle of inclination so that the flap closes poor of any noise. For no aggressive liquids.
Diameters/Face to face dimensions
DN 50 till DN 300
Face to face dimensions according to DIN EN 558-1 GR 48, Flange connecting and pressure PN 10
Face to face dimensions according to DIN EN 558-1 GR 48, Flange connecting and pressure PN 10
Material
| Body: | till DN 200 GG 25 (EN-GJL-250) | (Standard) |
| up to DN 250 GGG 50 (EN GJS-500-7) | (Standard) | |
| Flap: | EPDM | (Standard) |
| Seal: | EPDM | (Standard) |
| Cover: | GG 25 (EN-GJL-250) | (Standard) |
| Hexagon screws: | A2 | (Standard) |
| Hexagon nut: | A2 | (Standard) |
| Lifting screws | A4 | (Standard) |
| Coating: | EKB ≥ 200μ | (Standard) |
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