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Rate of Flow for Reticuline Grates reticuline type frame, grate
CAD/PDF files for reticuline frame, grate


Rate of Flow for Reticuline Grates


Rate of Flow Calculations for New York Reticuline Grates
A (#1) 2.02 sq. ft Open area of grate
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A (#3) 3.10 sq. ft. Open area of grate
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A (#6) 2.28 sq. ft. Open area of grate
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A (#9) 2.54 sq. ft. Open area of grate
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A (#11) 3.91 sq. ft. Open area of grate
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A (#16) 5.13 sq. ft. Open area of grate
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A (#22) 6.41 sq. ft. Open area of grate
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c 0.60 Orifice coefficient (Square edges)
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f 0.66 Clogging factor
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g 32.20 ft./sec. 2 Acceleration of gravity
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h ft. Measured head of water on grate
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Q cu. ft./sec. Discharge of water
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Calculate flow rate using the following formula:
Q = (cA 2gh) f


Head (in.) Rate of Flow (cu. ft./sec.)
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  #1 #3 #6 #9 #11 #16 #22
1 1.85 2.85 2.09 2.33 3.59 4.71 5.88
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2 2.61 4.03 2.96 3.30 5.08 6.65 8.31
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3 3.20 4.93 3.62 4.04 6.22 8.15 10.18
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4 3.70 5.69 4.18 4.66 7.18 9.41 11.75
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5 4.13 6.36 4.67 5.21 8.03 10.52 13.14
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6 4.53 6.97 5.12 5.71 8.79 11.53 14.40
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Cicero, NY 13039


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