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orifice Diameter:l/8. <br />G.P.M./orifice: .41 <br /> <br />ORIFICE DISCHARGE RATE (R) <br />9164` 5~3,2 11/64 3/16 13/64 7/32 15/64 1/4 <br />.52 .64 .78 .93 1.09 1.26 1.45 1.6b <br /> <br />FLOW <br />(qal/~in. ) <br /> <br /> 15 <br /> 16 <br /> 17 <br /> 18 <br /> 19 <br /> 20 <br /> 22 <br /> 23 <br /> 24 <br /> 25 <br /> 26 <br /> 27 <br /> 28 <br /> 29 <br /> 30 <br /> <br /> FRICTION LOSS COEFFICIENT <br />(Mead loss in feet per 100 <br /> <br />PIPE DIAMETER <br />1~" 2" <br /> <br />1.96 0.33 <br />2.24 0.40 <br />2.52 0.44 <br />2.73 0.48 <br />3.06 0.52 <br />3.34 0.57 <br />4 02 0.68 <br />4 36 0.74 <br />4 70 0.80 <br />5 O4 0.86 <br />5 45 0.93 <br />5 85 1.00 <br />6 26 1.07 <br />6 66 1.14 <br />7 07 1.21 <br /> <br />2% <br /> <br /> 0.13 <br /> <br /> 0.15 <br /> <br /> 0.17 <br /> <br /> 0.18 <br /> <br /> 0,20 <br /> <br /> 0.22 <br /> <br /> 0.27 <br /> <br /> 0.29 <br /> <br /> 0.32 <br /> <br /> 0.34 <br /> <br /> 0.37 <br /> <br /> 0.39 <br /> <br /> 0.42 <br /> <br /> 0.44 <br /> <br /> 0.47 <br /> <br />feet of pipe <br /> <br /> FLOW <br /> (qal/min. <br /> <br /> 32 <br /> 33 <br /> 35 <br /> 39 <br /> 40 <br /> 42 <br /> 45 <br /> 48 <br /> 50 <br /> 55 <br /> 60 <br /> 65 <br /> 7O <br /> 75 <br /> 8O <br /> <br />@ C-150') <br /> <br /> PIPE DIAMETER <br /> 2" 2% <br /> <br /> 1.37 0.53 <br /> 1.45 0.57 <br /> 1.61 0.63 <br /> 1.97 0.77 <br /> 2.06 0.81 <br /> 2.26 0.89 <br /> 2.56 1.00 <br /> 2.89 1.09 <br /> 3.11 1 22 <br /> 3.73 1 46 <br /> 4.36 1 71 <br /> 5.08 1 99 <br /> 5.80 2 27 <br /> 6.60 2 58 <br /> 7.43 2 91 <br /> <br />*Hazen & Williams Coefficbent <br /> <br /> <br />