ICT Cooling Towers - Evapco

Application
Factors
Shaded areas of tables indicate entering water temperature exceeding maximum 130˚F.
Consult factory for alternate high temperature fill options.
8
60 W.B.
Approach RANGE
˚F. 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
4 – 2.91 – – – – – – – – – – – – – – – – –
5 – 2.47 2.13 1.90 1.70 1.53 1.40 1.29 1.20 1.10 1.01 .94 .88 .82 .78 .74 .70 .67 .64
6 2.55 2.16 1.88 1.67 1.51 1.37 1.25 1.16 1.08 1.01 .93 .86 .81 .77 .73 .69 .65 .62 .59
7 2.28 1.91 1.70 1.51 1.37 1.24 1.14 1.05 .98 .92 .86 .80 .75 .71 .67 .64 .61 .58 .55
8 2.01 1.73 1.54 1.37 1.25 1.13 1.05 .96 .90 .84 .79 .74 .70 .66 .63 .60 .57 .54 .52
9 1.82 1.59 1.41 1.26 1.15 1.06 .97 .89 .84 .79 .74 .70 .66 .62 .59 .56 .54 .51 .49
10 1.67 1.46 1.29 1.17 1.07 .98 .90 .84 .80 .74 .70 .66 .63 .60 .56 .54 .51 .49 .47
11 1.53 1.34 1.20 1.09 1.00 .92 .85 .80 .75 .70 .66 .62 .59 .56 .54 .51 .49 .47 .45
12 1.39 1.24 1.12 1.02 .94 .87 .80 .75 .71 .67 .63 .60 .57 .54 .51 .49 .47 .45 .43
13 1.27 1.15 1.04 .95 .88 .81 .76 .71 .67 .63 .59 .56 .53 .51 .49 .47 .45 .43 .41
14 1.17 1.07 .97 .89 .83 .77 .72 .67 .63 .60 .57 .54 .51 .49 .47 .45 .43 .41 .39
15 1.09 1.00 .92 .84 .79 .73 .68 .63 .60 .57 .54 .51 .49 .47 .45 .43 .41 .39 .38
16 1.02 .94 .86 .80 .74 .69 .65 .61 .58 .54 .52 .49 .47 .45 .43 .41 .39 .38 .36
17 .96 .87 .81 .75 .70 .66 .61 .58 .55 .52 .49 .47 .45 .43 .41 .39 .38 .36 .35
18 .90 .83 .77 .72 .67 .62 .58 .55 .52 .49 .47 .44 .42 .41 .39 .37 .36 .35 .33
19 .84 .78 .73 .68 .64 .59 .56 .52 .50 .47 .45 .42 .41 .39 .37 .36 .34 .33 .32
20 – .74 .70 .65 .61 .57 .53 .50 .48 .45 .43 .41 .39 .37 .36 .34 .33 .32 .31
21 – .71 .67 .62 .58 .55 .51 .48 .46 .43 .41 .39 .37 .36 .34 .33 .32 .31 .30
22 – .68 .64 .60 .56 .53 .50 .46 .44 .42 .39 .37 .36 .34 .33 .32 .30 .29 .28
23 – .66 .61 .58 .54 .51 .48 .45 .43 .40 .38 .36 .35 .33 .32 .31 .29 .28 .27
24 – .63 .59 .56 .53 .50 .47 .44 .41 .39 .37 .35 .34 .32 .31 .30 .29 .27 .26
25 – .61 .57 .54 .51 .48 .45 .43 .40 .38 .36 .34 .33 .31 .30 .29 .28 .27 .26
62 W.B.
Approach RANGE
˚F. 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
4 – 2.79 2.44 2.18 1.96 1.74 1.57 1.42 – – – – – – – – – – –
5 – 2.35 2.03 1.81 1.62 1.46 1.33 1.24 1.14 1.05 .97 .90 .84 .79 .75 .72 .68 .65 .62
6 2.46 2.06 1.80 1.06 1.43 1.30 1.20 1.10 1.03 .95 .89 .83 .78 .73 .70 .67 .63 .60 .57
7 2.17 1.84 1.62 1.44 1.31 1.19 1.10 1.00 .94 .88 .82 .77 .73 .68 .65 .62 .59 .56 .53
8 1.93 1.66 1.47 1.31 1.20 1.09 1.00 .92 .86 .81 .76 .71 .67 .64 .61 .58 .55 .52 .50
9 1.75 1.52 1.34 1.21 1.10 1.01 .93 .86 .81 .76 .71 .67 .63 .60 .57 .54 .52 .50 .47
10 1.59 1.38 1.24 1.12 1.02 .94 .87 .81 .76 .71 .67 .63 .60 .57 .54 .52 .49 .47 .45
11 1.45 1.27 1.15 1.04 .95 .88 .82 .76 .72 .67 .63 .60 .57 .54 .51 .49 .47 .46 .44
12 1.33 1.18 1.07 .97 .89 .83 .77 .72 .67 .64 .60 .57 .54 .51 .49 .47 .45 .43 .42
13 1.21 1.10 .99 .91 .84 .78 .72 .68 .63 .60 .57 .54 .51 .49 .47 .45 .43 .41 .39
14 1.12 1.02 .93 .85 .79 .73 .68 .64 .60 .57 .54 .51 .49 .47 .45 .43 .41 .39 .38
15 1.04 .95 .87 .81 .75 .70 .65 .61 .58 .55 .52 .49 .47 .45 .43 .41 .39 .38 .36
16 .98 .89 .82 .76 .70 .66 .61 .58 .55 .52 .49 .47 .44 .43 .41 .39 .38 .36 .35
17 .92 .84 .78 .72 .67 .62 .58 .55 .52 .49 .47 .44 .42 .40 .39 .37 .36 .35 .33
18 .86 .79 .73 .68 .64 .59 .56 .52 .49 .47 .44 .42 .40 .39 .37 .36 .34 .33 .32
19 .81 .75 .70 .65 .61 .57 .53 .50 .47 .45 .42 .40 .39 .37 .35 .34 .33 .32 .31
20 – .71 .67 .62 .58 .55 .51 .48 .45 .43 .41 .39 .37 .35 .34 .33 .31 .30 .29
21 – .68 .63 .59 .56 .53 .49 .46 .44 .41 .39 .37 .36 .34 .33 .31 .30 .29 .28
22 – .65 .61 .57 .54 .51 .47 .45 .42 .40 .38 .36 .34 .33 .31 .30 .29 .28 .27
23 – .63 .59 .55 .52 .49 .46 .43 .41 .39 .36 .35 .33 .32 .30 .29 .28 .27 .26
24 – .60 .57 .54 .51 .48 .45 .42 .40 .38 .36 .34 .32 .31 .30 .28 .27 .26 .25
25 – .58 .55 .52 .49 .46 .43 .41 .38 .36 .35 .33 .31 .30 .29 .28 .27 .26 .25
64 W.B.
Approach RANGE
˚F. 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40
4 – 2.67 2.34 2.09 1.85 1.67 1.50. 1.36 1.26 1.15 1.06 .99 .92 .86 .81 .77 .73 .70 .66
5 2.65 2.25 1.94 1.72 1.53 1.39 1.28 1.18 1.10 1.01 .93 .88 .82 .77 .73 .69 .66 .63 .60
6 2.34 1.96 1.72 1.53 1.37 1.25 1.15 1.06 .98 .92 .86 .80 .75 .71 .67 .64 .61 .58 .55
7 2.06 1.76 1.55 1.38 1.25 1.14 1.06 .97 .90 .84 .79 .74 .70 .66 .63 .60 .57 .54 .52
8 1.85 1.60 1.41 1.26 1.15 1.05 .96 .89 .83 .78 .73 .69 .65 .62 .59 .56 .55 .51 .49
9 1.66 1.44 1.28 1.16 1.05 .96 .89 .82 .78 .72 .68 .64 .61 .58 .55 .53 .50 .48 .46
10 1.50 1.32 1.18 1.07 .97 .90 .83 .77 .73 .68 .65 .61 .58 .55 .52 .50 .48 .46 .44
11 1.37 1.21 1.09 .99 .91 .84 .78 .73 .69 .65 .61 .58 .55 .52 .50 .48 .46 .44 .42
12 1.25 1.12 1.01 .93 .86 .79 .74 .69 .65 .61 .58 .55 .52 .50 .47 .45 .44 .42 .40
13 1.15 1.04 .95 .87 .80 .75 .69 .65 .61 .58 .55 .52 .50 .47 .45 .43 .42 .40 .38
14 1.06 .97 .89 .82 .76 .71 .66 .61 .58 .55 .52 .50 .47 .45 .43 .41 .40 .38 .37
15 .99 .91 .83 .77 .71 .66 .62 .58 .55 .52 .49 .47 .45 .43 .41 .39 .38 .36 .35
16 .93 .85 .78 .73 .68 .63 .59 .55 .52 .50 .47 .45 .43 .41 .39 .37 .36 .35 .34
17 .86 .80 .74 .69 .64 .59 .56 .52 .50 .47 .45 .42 .41 .39 .37 .36 .34 .33 .32
18 .81 .75 .70 .66 .61 .57 .53 .50 .48 .45 .43 .40 .39 .37 .35 .34 .33 .32 .31
19 – .72 .67 .63 .58 .55 .51 .48 .46 .43 .41 .39 .37 .35 .34 .33 .31 .30 .29
20 – .68 .64 .60 .56 .52 .49 .46 .44 .41 .39 .37 .35 .34 .33 .31 .30 .29 .28
21 – .65 .61 .57 .54 .51 .47 .44 .42 .40 .37 .36 .34 .33 .31 .30 .29 .28 .27
22 – .62 .59 .55 .52 .49 .46 .43 .41 .38 .36 .35 .33 .32 .30 .29 .28 .27 .26
23 – .60 .57 .53 .50 .47 .44 .42 .39 .37 .35 .34 .32 .31 .29 .28 .27 .26 .25
24 – .58 .55 .52 .48 .46 .43 .40 .38 .36 .34 .33 .31 .30 .29 .27 .26 .25 .24
25 – .56 .53 .50 .47 .44 .42 .39 .37 .35 .33 .32 .30 .29 .28 .27 .26 .24 .24