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USGS Manuals ] Open Channel Flow Nomograph ] Wet-Line Angle Correction Chart ] [ Water Flow Calculator ] Angle Coefficient Protractor ]

Water Flow Calculator


click to enlarge

This Water Flow Calculator is a quick, simple way to calculate water flow through steel, cast iron, plastic, cement, concrete, vitrified and coated pipes and also open channels in earth, rock, concrete, metal, and wood. One side of the calculator solves the rational formula for water flow in pipes and ducts of circular sections with a flow range of 1.5 to 1,000,000 gpm and a diameter range of 0.5" to 240". The reverse side solves the Manning formula for the flow in open channels with a flow range of 50 to 5,000,000 gpm and a channel area of 0.7 to 2000 sq. ft. Flow can be read in U.S. gallons/minute, million U.S. gallons/day, cu.ft./second, or cu./meters/second. The Calculator also determines velocity in pipes running full. This 7 5/8" diameter calculator is constructed of non-warping, heavy acrylic and is engraved in black, red, and green lettering. Unit is supplied with instructions and vinyl case.

215-125           Water Flow Calculator           2 lbs.

 

 

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