ABO valve Flap Valve is specifically designed to provide reliable backflow prevention in gravity-operated pipeline systems without the need for external power. Its self-acting hinged flap automatically opens with forward flow and closes instantly when flow reverses, protecting pipelines and infrastructure from flooding and unwanted backflow.
Available in both resilient seated (Series 10) and metal seated (Series 11) versions, the flap valve combines low head loss, reduced water hammer, and robust ductile iron construction for long-term, maintenance-friendly operation. It is an ideal solution for wastewater systems, stormwater drainage networks, sewer outfalls, seawater applications, pump stations, flood protection systems, and irrigation infrastructure.
- NOMINAL SIZE:
DN100 – DN1200 - WORKING PRESSURE:
PN10 / PN16 - FLANGE CONNECTION:
PN10 / PN16
- WORKING TEMPERATURE:
-20 °C / +80 °C - WORKING MEDIA:
Wastewater / stormwater / seawater
For a copy of our catalog, please contact us at sales@abovalve.com