Data can be published in either IP units, SI units or both per the manufacturer’s preference within the certified data range of the product.
If the product is not certified at a listed design condition or if the flow data point is not applicable to the unit, enter "NC" (for Not Certified) into the cell.
STD-201RS Table 3a - IP Units - Cooling Towers (CT)
Condition Reference #  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
Wet Bulb °F  50 50 50 50 50 55 55 55 55 55 60 60 60 60 60 65 65 65 65 65 70 70 70 70 70 75 75 75 75 75 80 80 80 80 80 85 85 85 85 85 90 90 90 90 90 69.8 78 80.6 82.4
Range °F  10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 10 10 10 15 15 9 10 9 9
Approach °F  7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 7 10 12 7 12 10.8 7 9 7.2
Inlet Water Temperature °F  67 70 72 72 77 72 75 77 77 82 77 80 82 82 87 82 85 87 87 92 87 90 92 92 97 92 95 97 97 102 97 100 102 102 107 102 105 107 107 112 107 110 112 112 117 89.6 95 98.6 98.6
Outlet Water Temperature °F  57 60 62 57 62 62 65 67 62 67 67 70 72 67 72 72 75 77 72 77 77 80 82 77 82 82 85 87 82 87 87 90 92 87 92 92 95 97 92 97 97 100 102 97 102 80.6 85 89.6 89.6
132-73-A  Non-Certified 139 217 266 131 221 160 233 272 131 217 193 267 312 152 242 217 291 336 172 267 Non-Certified 279 205 287 238
132-73-B  170 265 325 160 270 195 285 332 160 265 235 325 380 185 295 265 355 410 210 325 340 250 350 290
144-78-B  210 315 390 190 320 235 340 395 190 315 280 385 450 220 350 315 425 490 250 390 405 300 420 345
144-88-C  245 365 450 225 375 275 395 460 225 365 325 450 525 265 410 365 490 570 290 450 470 350 485 405
144-97-C  275 420 520 255 430 310 450 530 255 420 370 510 600 290 465 420 560 650 330 520 535 395 550 460
156-109-C  310 470 585 285 485 350 510 595 285 470 415 580 680 325 525 470 630 740 375 585 605 450 625 520
156-119-C  350 525 650 320 540 390 565 660 320 525 465 645 760 365 590 525 705 820 415 680 675 500 695 575

 

STD-201RS Table 3b - SI Units - Cooling Towers (CT)

Condition Reference #  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49
Wet Bulb °C  10 10 10 10 10 13 13 13 13 13 16 16 16 16 16 18 18 18 18 18 21 21 21 21 21 24 24 24 24 24 27 27 27 27 27 29 29 29 29 29 32.2 32.2 32.2 32.2 32.2 21 25.56 27 28
Range °C  6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 6 6 6 8 8 5 5.56 5 5
Approach °C  4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 4 6 7 4 7 6 3.89 5 4
Inlet Water Temperature °C  20 22 23 22 25 23 25 26 25 28 26 28 29 28 31 28 30 31 30 33 31 33 34 33 36 34 36 37 36 39 37 39 40 39 42 39 41 42 41 44 42.2 44.2 45.2 44.2 47.2 32 35 37 37
Outlet Water Temperature °C  14 16 17 14 17 17 19 20 17 20 20 22 23 20 23 22 24 25 22 25 25 27 28 25 28 28 30 31 28 31 31 33 34 31 34 33 35 36 33 36 36.2 38.2 39.2 36.2 39.2 27 29.44 32 32
132-73-A  Non-Certified 526 821 1007 496 837 606 882 1030 496 821 729 1009 1180 574 916 823 1102 1273 652 1009 Non-Certified 1055 776 1086 900
132-73-B  644 1003 1230 606 1022 738 1079 1257 606 1003 890 1230 1438 700 1117 1003 1344 1552 795 1230 1287 946 1325 1098
144-78-B  795 1192 1476 719 1211 890 1287 1495 719 1192 1060 1457 1703 833 1325 1192 1609 1855 946 1476 1533 1136 1590 1306
144-88-C  927 1382 1703 852 1420 1041 1495 1741 852 1382 1230 1703 1987 1003 1552 1382 1855 2158 1098 1703 1779 1325 1836 1533
144-97-C  1041 1590 1968 965 1628 1173 1703 2006 965 1590 1401 1931 2271 1098 1760 1590 2120 2461 1249 1968 2025 1495 2082 1741
156-109-C  1173 1779 2214 1079 1836 1325 1931 2252 1079 1779 1571 2196 2574 1230 1987 1779 2385 2801 1420 2214 2290 1703 2366 1968
156-119-C  1325 1987 2461 1211 2044 1476 2139 2498 1211 1987 1760 2442 2877 1382 2233 1987 2669 3104 1571 2574 2555 1893 2631 2177