Installing a Backflow Valve

LSU AgCenter, All, All

1 - Expose sewer line and mark sections to be removed.

3 - PVC flap valve installed in tile sewer line.

2 - Remove the marked section of sewer line.

4 - Flap valve with water flowing (normal operation).

Installing a Valve - Installation of any of these backflow valves in an existing sewer line is dirty work but not technically challenging.

Relative Cost of 4-inch Valves, not Including Installation
4" Valve	Price
Flap Valve (PVC)	$ 60
Ball Valve (PVC)	$ 100
Gate Valve (Brass)	$ 300
Hydraulic gate or flap valve (brass or steel)	$ 1,500

1/31/2007 7:40:47 AM

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