
Bulletin 74.1:T205B
16
7.0 to
16.0 inches w.c. /
17 to 40 mbar
Unpainted
11 inches w.c. /
27 mbar
20% droop
1 0.07 272 7.3 340 9.1
2 0.14 453 12.1 458 12.3
4 0.28 679 18.2 696 18.7
6 0.41 879 23.6 920 24.7
8 0.55 1087 29.1 1080 28.9
10 0.69 1258 33.7 1266 33.9
15 1.0 1673 44.8 1639 43.9
20 1.4 2054 55.0 1938 51.9
40 2.8 3868 104 3595 96.3
60 4.1 5801 156 5764 154
80 5.5 7695 206 7616 204
100 6.9 9559 256 9636 258
125 8.6 11,986 321 12,258 329
150 10.3 13,813 370 13,781 369
175 12.1 16,389 439 15,565 417
200 13.8 18,695 501 18,494 496
15 inches w.c. /
37 mbar
20% droop
2 0.14 537 14.4 534 14.3
4 0.28 752 20.2 776 20.8
6 0.41 994 26.6 1028 27.6
8 0.55 1224 32.8 1157 31.0
10 0.69 1336 35.8 1391 37.3
15 1.0 1831 49.1 1770 47.4
20 1.4 2248 60.2 2205 59.1
40 2.8 4063 109 3846 103
60 4.1 5892 158 5865 157
80 5.5 7718 207 7699 206
100 6.9 9562 256 9738 261
125 8.6 11,899 319 12,035 323
150 10.3 13,895 372 13,352 358
175 12.1 15,977 428 16,046 430
200 13.8 18,568 498 18,554 497
- continued -
Table 9. Type T205B Flow Capacities (continued)
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