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R-5040-F3

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Description Inside Diameter Laying Length Diameter A B C D E F N S
Flap and Flush Valve Frame, Lid 6 4-1/2
All dimensions are listed in inches unless otherwise noted.

Shown are some standard types of flap and flush valves. Flanged ends are faced and drilled to 125 pound standard.

Flap valves are used in areas where water accumulates, such as manholes or concrete boxes. When the manhole begins to fill, the flap valve can be opened to flush the area of water. The flap valve door has a tab with a hole located in the center to allow a handle to be attached so it can be opened from the surface.

Valved furnished with solid brass hinge pins; neoprene or bronze available on special order at extra cost. Chain furnished only when specified.

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