
Bulletin 74.1:T205
20
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
2.5 to 7 in. w.c. /
6.2 to 17 mbar
Red
4 in. w.c. /
10 mbar
-1 to 2 in. w.c. /
-2.5 to 5.0 mbar
1 0.07 77 2.06 221 5.92 264 7.08 321 8.60 347 9.30
2 0.14 117 3.14 266 7.13 277 7.42 433 11.6 593 15.9
5 0.34 184 4.93 298 7.99 533 14.3 776 20.8 916 24.5
10 0.69 266 7.13 661 17.7 726 19.5 1098 29.4 1232 33.0
15 1.0 313 8.39 696 18.7 875 23.4 1205 32.3 1281 34.3
20 1.4 318 8.52 885 23.7 1136 30.4 1650 44.2
30 2.1 447 12.0 918 24.6 1319 35.3 2009 53.8
40 2.8 589 15.8 1244 33.3 1439 38.6 1276 34.2
60 4.1 734 19.7 1458 39.1 1434 38.4
80 5.5 919 24.6 2242 60.1 1718 46.0
100 6.9 1090 29.2 1592 42.7
125 8.6 1339 35.9 3434 92.0
150 10.3 1419 38.0 3413 91.5
175 12.1 1796 48.1
200 13.8 2001 53.6
7 in. w.c. /
17.4 mbar
-2 to 2 in. w.c. /
-5.0 to 5.0 mbar
1 0.07 83 2.22 284 7.61 410 11.0 607 16.3 596 16.0
2 0.14 139 3.73 324 8.68 604 16.2 740 19.8 926 24.8
5 0.34 191 5.12 578 15.5 895 24.0 1362 36.5 1521 40.8
10 0.69 272 7.29 857 23.0 1369 36.7 1996 53.5 2490 66.7
15 1.0 325 8.71 1037 27.8 1653 44.3 2467 66.1 1863 49.9
20 1.4 407 10.9 1277 34.2 1901 50.9 2916 78.1
30 2.1 562 15.1 1579 42.3 2310 61.9 3372 90.4
40 2.8 685 18.4 1871 50.1 2701 72.4 4074 109
60 4.1 782 21.0 2672 71.6 4681 125
80 5.5 888 23.8 2950 79.1 6235 167
100 6.9 1162 31.1 2649 71.0
125 8.6 1435 38.5 5770 155
150 10.3 1718 46.0 6567 176
175 12.1 1909 51.2
200 13.8 2218 59.4
7 to 16 in. w.c. /
17 to 40 mbar
Unpainted
8 in. w.c. /
20 mbar
-2 to 2 in. w.c. /
-5.0 to 5.0 mbar
1 0.07 77 2.06 198 5.31 295 7.91 385 10.3 444 11.9
2 0.14 124 3.32 285 7.64 361 9.67 403 10.8 699 18.7
5 0.34 191 5.12 413 11.1 702 18.8 947 25.4 1100 29.5
8 0.55 244 6.54 609 16.3 917 24.6 1368 36.7 1453 38.9
20 1.4 369 9.89 992 26.6 1545 41.4 2163 58.0 2157 57.8
35 2.4 573 15.4 1613 43.2 2115 56.7
2988 80.1 2895 77.6
60 4.1 873 23.4 1979 53.0 2369 63.5 3249 87.1 3741 100
75 5.2 991 26.6 2474 66.3 3225 86.4 3456 92.6 5058 136
100 6.9 1123 30.1 2572 68.9 3761 101 4879 131 2851 76.4
125 8.6 1419 38.0 4713 126 5937 159 5293 142
150 10.3 1681 45.1 5794 155 6001 161
175 12.1 2078 55.7
200 13.8 2208 59.2
12 in. w.c. /
30 mbar
20% Gauge
1 0.07 66 1.77 174 4.66 283 7.58 395 10.6 462 12.4
2 0.14 115 3.08 256 6.86 411 11.0 466 12.5 692 18.5
5 0.34 182 4.88 400 10.7 720 19.3 926 24.8 1108 29.7
8 0.55 254 6.81 526 14.1 944 25.3 1297 34.8 1473 39.5
20 1.4 343 9.19 1026 27.5 1498 40.1 2439 65.4 2208 59.2
35 2.4 576 15.4 1422 38.1 2172 58.2 2679 71.8 3614 96.9
60 4.1 836 22.4 2142 57.4 2578 69.1 3610 96.7 4418 118
75 5.2 1009 27.0 2595 69.5 3369 90.3 4373 117 4086 110
- Shaded areas indicate where maximum operating inlet pressure for a given orice size is exceeded.
- continued -
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