Facts & Figures Book - KPI-JCI

CLASSIFYING TANK WEIR OVERFLOW RATESAVERAGE DEPTH OVER WEIRMODEL WEIR LENGTH 1 ⁄4”1 ⁄2”3 ⁄4” 1” 1 1 ⁄4” 1 1 ⁄2” 1 3 ⁄4” 2” 2 1 ⁄4”700 1200 23008’ x 20’ 32’ 225 480 800 1150 1690 2225 2720 3360 4400800 1400 28008’ x 24’ 40’ 280 600 1000 1440 2120 2800 3400 4200 5000900 1600 32008’ x 28’ 48’ 336 720 1200 1720 2550 3350 4070 5040 6000950 1800 35008’ x 32’ 56’ 392 840 1400 2010 2960 3920 4750 5880 7000950 1800 350010’ x 24’ 42’ 295 630 1050 1520 2230 2940 3570 4400 52501100 2100 410010’ x 28’ 50’ 350 750 1250 1800 2650 3500 4250 5240 62501250 2400 470010’ x 32’ 58’ 410 880 1450 2080 3060 4060 4930 6080 72501400 2700 530010’ x 36’ 66’ 465 990 1650 2380 3500 4630 5610 6920 82501550 3000 590010’ x 40’ 74’ 520 1110 1850 2660 3920 5180 6290 7760 92502150 4200 810012’ x 48’ 80’ 562 1200 2000 2876 4238 5600 6800 8390 10000NOTE: All flows shown are in gpm. Bold italicized flows depict overflow rates required for 200, 150 & 100 mesh splits, respectively.123Washin g/Classifyin g