self-closing flap-valve S 10, d: 92 mm
fittet in the series 10 frames and gratings 100 x 100 mm and KE 10/KEN 10. Used on combined foul and rainwater systems, the flap-valve allows water to drain whilst preventing the escape of foul air and foam.
With no water seal, it cannot freeze!
specification
– seal
material
ABS
Utilisation of flap-valves in balcony drains DN 70 and DN 100 decreases the flow to under the rate tested to DIN EN 1253.