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Photographs of Free Flow Weir Boxes

Free Flow weirbox with 12" deep, 60 degree V notch weir plate, slide tracks for upstream resistance screen, depth gauge, base for 316 SS mounting bracket for ultrasonic sensor, and floor clips at base of exterior sidewall to secure box to mounting pad.    Inlet & outlet pipe connections are offset to provide a free discharge.

Free Flow medium weir box with 22-1/2° V notch weir plate,
316 stainless steel depth gauge, stilling well, hinged lid,
and flexible neoprene coupings with stainless steel band clamps

Free Flow small weir box with 22-1/2° V notch weir, flowing
at 0.07 ft. depth =- .28 G.P.M.

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