
Bulletin 74.1:T205
21
Table 10. Flow Capacities of Type T205M with 1 in. / DN 25 Body Size (continued)
SPRING RANGE
AND COLOR
OUTLET
PRESSURE
SETTING
OFFSET FROM
SETPOINT
INLET
PRESSURE
CAPACITIES IN SCFH / Nm
3
/h OF AIR
Orice Size, In. / mm
1/8 / 3.2 1/4 / 6.4 3/8 / 9.5 1/2 / 13 9/16 / 14
psig bar SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h SCFH Nm
3
/h
7 to 16 in. w.c. /
17 to 40 mbar
Unpainted
12 in. w.c. /
30 mbar
20% Gauge
100 6.9 1125 30.2 2452 65.7 3572 95.7 5630 151 4909 132
125 8.6 1442 38.6 4534 122 6653 178 4721 127
150 10.3 1787 47.9 5560 149 6769 181
175 12.1 2075 55.6
200 13.8 2251 60.3
16 in. w.c. /
40 mbar
20% Gauge
1 0.07 75 2.01 175 4.69 273 7.32 392 10.5 496 13.3
2 0.14 112 3.00 280 7.50 428 11.5 455 12.2 730 19.6
5 0.34 191 5.12 433 11.6 831 22.3 1096 29.4 1248 33.4
8 0.55 254 6.81 605 16.2 1093 29.3 1400 37.5 1682 45.1
20 1.4 375 10.0 1198 32.1 1834 49.2 2856 76.5 2740 73.4
35 2.4 569 15.2 1627 43.6 2648 71.0 3178 85.2 3551 95.2
60 4.1 861 23.1 2338 62.7 3593 96.3 4725 127 5559 149
75 5.2 1001 26.8 2934 78.6 4225 113 4777 128 7172 192
100 6.9 1123 30.1 3187 85.4 5772 155 5722 153 4661 125
125 8.6 1463 39.2 5002 134 6948 186 4768 128
150 10.3 1817 48.7 6426 172 7714 207
175 12.1 2061 55.2
200 13.8 2203 59.0
0.5 to 1.2 psig /
34 to 83 mbar
Yellow
0.58 psig /
40 mbar
20% Gauge
2 0.14 115 3.08 297 7.96 435 11.7 541 14.5 545 14.6
6 0.41 205 5.49 367 9.84 716 19.2 994 26.6 1181 31.7
10 0.69 284 7.61 661 17.7 988 26.5 1294 34.7 1568 42.0
30 2.1 460 12.3 1293 34.7 1802 48.3 2527 67.7 2812 75.4
45 3.1 680 18.2 1772 47.5 2248 60.2 3529 94.6 3109 83.3
60 4.1 798 21.4 2070 55.5 2744 73.5 5128 137 4047 108
80 5.5 1101 29.5 2511 67.3 3605 96.6 5625 151 4918 132
100 6.9 1315 35.2 3048 81.7 5006 134 5459 146 5512 148
125 8.6 1552 41.6 4531 121 6034 162 5451 146 6951 186
150 10.3 1697 45.5 5057 136 7109 191 7307 196
175 12.1 1890 50.7
200 13.8 2085 55.9
1 psi /
69 mbar
20% Gauge
2 0.14 100 2.68 293 7.85 525 14.1 648 17.4 596 16.0
6 0.41 208 5.57 558 15.0 934 25.0 1302 34.9 1507 40.4
10 0.69 277 7.42 765 20.5 1371 36.7 1775 47.6 1971 52.8
30 2.1 507 13.6 1721 46.1 2604 69.8 3287 88.1 3301 88.5
60 4.1 870 23.3 2727 73.1 4256 114 5175 139 3674 98.5
80 5.5 1095 29.3 3245 87.0 4918 132 6393 171 4299 115
100 6.9 1026 27.5 4586 123 7935 213 9443 253 7744 208
125 8.6 1332 35.7 5177 139 8135 218 9261 248 10,977 294
150 10.3 1626 43.6 6099 163 9407 252 10,410 279
175 12.1 1911 51.2
200 13.8 2221 59.5
1.2 to 2.5 psig /
83 to 172 mbar
Green
1.2 psi /
83 mbar
20% Gauge
4 0.28 136 3.64 349 9.35 348 9.33 585 15.7 634 17.0
8 0.55 204 5.47 385 10.3 592 15.9 859 23.0 1012 27.1
12 0.83 267 7.16 579 15.5 798 21.4 1120 30.0 1275 34.2
30 2.1 405 10.9 1072 28.7 1387 37.2 1860 49.8 2139 57.3
60 4.1 731 19.6 1732 46.4 2258 60.5 3141 84.2 1895 50.8
80 5.5 943 25.3 1967 52.7 2893 77.5 4481 120 4426 119
100 6.9 1139 30.5 2544 68.2 3170 85.0 4876 131 5197 139
125 8.6 1255 33.6 2900 77.7 3722 99.7 5556 149 5846 157
150 10.3 1590 42.6 3539 94.8 6305 169 7062 189 4813 129
175 12.1 1693 45.4 3845 103 6578 176 7683 206 6432 172
200 13.8 1846 49.5 4449 119 6213 167 7189 193 4890 131
- Shaded areas indicate where maximum operating inlet pressure for a given orice size is exceeded.
- continued -
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