Flow-Liner® Systems
WaBack Backwater Valve

Flow-Liner Systems, Ltd is the US & Canada Master Distributor for the WaBack backwater valve. This revolutionary patented device has been used in Europe for the past 20 years and is ideal for preventing backwater surges into sanitary and storm sewers. Its flow-through-channel is fully opened, which eliminates the need for a mechanical flapper. Now you can clean and televise sewers without the risk of getting caught in and damaging a traditional backwater valve flapper devise.

WaBack Backwater Valve

Click on image above to view.
The model to the left is a 3D PDF.
  1. Rotate the model by holding down the left mouse button.
  2. Zoom in or out by scrolling.
  3. Press ctrl or alt to pan.
  4. Right click to investigate more options such as lighting, ransparency,m etc.
To return to the isometric view: right click >> views >> default view.

The model to the left is a 3D PDF.
  1. Rotate the model by holding down the left mouse button.
  2. Zoom in or out by scrolling.
  3. Press ctrl or alt to pan.
  4. Right click to investigate more options such as lighting, ransparency,m etc.
To return to the isometric view: right click >> views >> default view.



back water valve


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