Batley Butterfly Valves - Weir Power & Industrial - #8

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8 Weir Power & Industrial First choice for power and industrial protection Batley Valve BV 6-0810 SWING-THROUGH BV10000 VALVES WAFER/LUGGED Sizing & Selection Flow Coefficients CV (US GPM) - Standard Class 150/300lb Valves Valve Size Angle of Opening mm ins 0° 10° 20° 30° 40° 50° 60° 70° 80° 90° 50 2 0.6 2.3 7.9 16.2 29 49 77 120 168 188 80 3 1.3 5.2 17.7 36.3 65 108 172 270 378 424 100 4 2.3 9.2 31.6 65 117 193 307 480 680 750 125 5 3.8 14.4 50 101 182 302 480 750 1050 1180 150 6 5.3 21 71 145 262 435 690 1080 1510 1700 175 7 7.3 28 97 198 357 592 940 1470 2060 2300 200 8 9.5 37 127 260 467 775 1230 1920 2690 3000 225 9 12.0 47 160 327 591 980 1555 2430 3400 3800 250 10 14.8 58 198 405 730 1210 1920 3000 4200 4700 300 12 21 83 284 582 1049 1739 2760 4320 6050 6800 350 14 27 105 361 740 1330 2205 3500 5500 7650 8500 375 15 31 122 420 860 1550 2570 4080 6300 8800 9900 400 16 36 140 479 982 1767 2930 4650 7200 10100 11300 450 18 45 177 608 1243 2242 3717 5900 9200 12900 14400 500 20 56 216 743 1520 2740 4542 7210 11200 15500 17500 550 22 74 263 904 1850 3336 5531 8780 13600 19000 21400 600 24 88 314 1080 2210 3982 6602 10480 16300 22800 25500 700 28 115 429 1473 3000 5430 9010 14300 22170 31000 34700 750 30 127 495 1700 3480 6270 10395 16500 25800 36000 40000 800 32 142 565 1940 3950 7170 11890 18870 29400 41000 45900 900 36 186 720 2470 5000 9120 15120 24000 37200 52000 58500 1000 40 225 910 3090 6210 11490 19050 30000 46000 64300 72400 1200 48 335 1290 4430 9000 16340 27090 43000 67000 94000 105000