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 |