Rubber Duckbill Check Valve Installation in Drainage Pipeline System

This case shows the installation of a rubber duckbill check valve in a drainage pipeline system.

The valve is connected by flange and installed at the pipeline outlet to prevent backflow effectively.

Its flexible rubber structure allows automatic opening under forward flow and tight sealing when reverse flow occurs.

Suitable for small drainage systems, building pipelines and municipal infrastructure projects.

Easy to install and suitable for retrofit or new drainage pipeline systems.