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Orifice Diameter: I/8 9/64 <br />G.P.M./orifice: .41 .52 <br /> <br /> ORIFICE DISCHARGE RATE ~R) <br /> <br />5/32 11/64 3/16 13/64 7/32 15/64 1/4 <br />.64 .78 .93 1.09 1.26 1.45 1.65 <br /> <br /> FLOW <br />{aal/Min. I 1" <br /> <br />15 6.69 <br />16 <br />17 <br />18 <br />19 <br />20 11.40 <br />22 <br />23 <br />24 <br />25 17.23 <br />26 <br />27 <br />28 <br />29 <br />30 24.15 <br /> <br /> FRICTION LOSS COEFFICIENT (F) <br /> <br />(Head loss in feet per i00 feet of pipe ~ C-150') <br /> <br /> PIPE DIAMETER <br /> 1~./~'' 2" 2~ <br /> <br />1 96 0.33 0.13 <br />2 24 0.40 0.15 <br /> <br />2 82 ?'A0.440.17 <br /> <br />2 73 0.48 0.18 <br />3 06 0.52 0.20 <br />3 34 0.57 0.22 <br />4 02 0.68 0.27 <br />4 36 0.74 0.29 <br />4 70 0.80 0.32 <br />5 04 0.86 0.34 <br /> <br />5.45 0.93 0.37 <br />5.85 1.00 0.39 <br />6.26 1.07 0.42 <br />6.66 1.14 0.44 <br />7.07 1.21 0.47 <br /> <br />FLOW <br /> (~al/min. <br /> <br /> 32 <br /> 33 <br /> 3S <br /> 39 <br /> 40 <br /> 42 <br /> 45 <br /> 48 <br /> 5O <br /> 55 <br /> 6O <br /> 65 <br /> 70 <br /> 75 <br /> 80 <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 O0 <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 Coefficient <br /> <br />pumpcalc. 4/98 <br />MC-15-S15 <br /> <br /> <br />