Brochure
Valve Sizing Information for Water
F-27414-1 © Copyright 2006 TAC. All Rights Reserved. 175
WATER VALVE SIZING TABLES
end
WATER CAPACITY IN GALLONS PER MINUTE
Differential Pressure (psi) ΔP
Cv 2 3 4 5 10 15 20 25 30 35
0.10
0.14 0.17 0.20 0.22 0.32 0.39 0.45 0.5 0.5 0.6
0.22
0.31 0.38 0.44 0.49 0.70 0.85 0.98 1.1 1.2 1.3
0.30
0.42 0.52 0.60 0.67 0.95 1.16 1.34 1.5 1.6 1.8
0.4
0.57 0.69 0.80 0.89 1.26 1.55 1.79 2.0 2.2 2.4
0.75
1.06 1.30 1.50 1.68 2.37 2.90 3.35 3.8 4.1 4.4
0.9
1.27 1.56 1.80 2.01 2.85 3.49 4.02 4.5 4.9 5.3
0.95
1.34 1.65 1.9 2.1 3.0 3.7 4.2 4.8 5.2 5.6
1.0
1.41 1.73 2.0 2.2 3.2 3.9 4.5 5.0 5.5 5.9
1.3
1.84 2.3 2.6 2.9 4.1 5.0 5.8 6.5 7.1 7.7
1.4
1.98 2.4 2.8 3.1 4.4 5.4 6.3 7.0 7.7 8.3
1.5
2.12 2.6 3.0 3.4 4.7 5.8 6.7 7.5 8.2 8.9
1.75
2.47 3.0 3.5 3.9 5.5 6.8 7.8 8.8 9.6 10.4
1.9
2.69 3.3 3.8 4.2 6.0 7.4 8.5 9.5 10.4 11.2
2.0
2.8 3.5 4.0 4.5 6.3 7.7 8.9 10 11 12
2.2
3.1 3.8 4.4 4.9 7.0 8.5 9.8 11 12 13
2.8
4.0 4.8 5.6 6.3 8.9 10.8 12.5 14 15 17
3.25
4.6 5.6 6.5 7.3 10.3 12.6 14.5 16 18 19
3.6
5.1 6.2 7.2 8.0 11 14 16 18 20 21
4.0
5.7 6.9 8.0 8.9 13 15 18 20 22 24
4.3
6.1 7.4 8.6 9.6 14 17 19 22 24 25
4.4
6.2 7.6 8.8 9.8 14 17 20 22 24 26
5.0
7.1 8.7 10 11 16 19 22 25 27 30
5.4
7.6 9.4 11 12 17 21 24 27 30 32
5.5
7.8 9.5 11 12 17 21 25 28 30 33
6.2
8.8111214202428313437
7.5
11 13 15 17 24 29 34 38 41 44
8.5
12 15 17 19 27 33 38 43 47 50
10
14 17 20 22 32 39 45 50 55 59
12
17 21 24 27 38 46 54 60 66 71
14
20 24 28 31 44 54 63 70 77 83
15
21 26 30 34 47 58 67 75 82 89
16
23 28 32 36 51 62 72 80 88 95
20
28 35 40 45 63 77 89 100 110 118
21
30 36 42 47 66 81 94 105 115 124
22
31 38 44 49 70 85 98 110 120 130
28
40 48 56 63 89 108 125 140 153 166
30
42 52 60 67 95 116 134 150 164 177
34
48 59 68 76 108 132 152 170 186 201
40
57 69 80 89 126 155 179 200 219 237
41
58 71 82 92 130 159 183 205 225 243
43
61 74 86 96 136 167 192 215 236 254
47
66 81 94 105 149 182 210 235 257 278
48
68 83 96 107 152 186 215 240 263 284
49
6985————————
51
72 88 102 114 161 198 228 255 279 302
56
79 97 112 125 177 217 250 280 307 331
WATER CAPACITY IN GALLONS PER MINUTE
Differential Pressure (psi) ΔP
Cv
2 3 4 5 10 15 20 25 30 35
63
89 109 126 141 199 244 282 315 345 373
65
92 113 130 145 206 252 291 325 356 385
67
95 116 134 150 212 259 300 335 367 396
68
96 118 136 152 215 263 304 340 372 402
78
110 135 — — — — — — — —
84
119 145 168 188 266 325 376 420 460 497
95
120 147 170 190 269 329 380 425 466 503
91
129 158 182 203 288 352 407 455 498 538
100
141 173 200 224 316 387 447 500 548 592
101
143 175 202 226 319 391 452 505 553 598
108
153 187 216 241 342 418 483 540 592 639
132
187—————————
133
188—————————
145
205 251 290 324 459 562 648 725 794 858
170
240 294 340 380 538 658 760 850 931 1006
177
250 307 354 396 560 686 792 885 969 1047
235
332 407 470 525 743 910 1051 1175 1287 1390
250
354 433 500 559 791 968 1118 1250 1369 1479
257
363—————————
270
382—————————
290
410 502 580 648 917 1123 1297 1450 1588 1716
350
495 606 700 783 1107 1356 1565 1750 1917 2071
389
550 674 778 870 1230 1507 1740 1945 2131 2301
390
552 675 780 872 1233 1510 1744 1950 2136 2307
429
607—————————
525
742—————————
632
894—————————
820
1160 — — — — — — — — —
1125
1591 — — — — — — — — —
1320
1867 — — — — — — — — —
1758
2486 — — — — — — — — —
1900
2687 — — — — — — — — —
2533
3582 — — — — — — — — —
2850
4031 — — — — — — — — —
3035
4292 — — — — — — — — —
4118
5824 — — — — — — — — —
5279
7466 — — — — — — — — —
6584
9311 — — — — — — — — —
9626
13613 — — — — — — — — —
Note: Consult valve body and assembly specifications for pressure, pressure
drop, temperature, and other limitations. When using pipe reducers, use
effective Cv and formula to calculate flow rather than nominal Cv shown in this
table.