Data Sheet
Bulletin 74.1:T205
7
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
1 to 2.5 in. w.c. /
2.5 to 6.2 mbar
Orange
1 in. w.c. /
2.5 mbar
-1 to 2 in. w.c. /
-2.5 to 5.0 mbar
1 0.07 74 1.98 215 5.76 315 8.44 584 15.7 565 15.1
2 0.14 117 3.14 380 10.2 612 16.4 666 17.8 778 20.9
5 0.34 196 5.25 604 16.2 767 20.6 973 26.1 1041 27.9
10 0.69 280 7.50 813 21.8 966 25.9 1301 34.9 1325 35.5
15 1.0 346 9.27 1019 27.3 1222 32.7 1531 41.0 1146 30.7
20 1.4 411 11.0 1190 31.9 1352 36.2 1707 45.7 1173 31.4
30 2.1 533 14.3 1487 39.9 1575 42.2 1518 40.7
40 2.8 655 17.6 1809 48.5 1236 33.1
60 4.1 877 23.5 1904 51.0 1190 31.9
80 5.5 1105 29.6 1586 42.5
100 6.9 1352 36.2 1618 43.4
125 8.6 1647 44.1 1637 43.9
150 10.3 1936 51.9
175 12.1 1866 50.0
200 13.8 1452 38.9
2 in. w.c. /
5.0 mbar
-1 to 2 in. w.c. /
-2.5 to 5.0 mbar
1 0.07 70 1.88 212 5.68 279 7.48 442 11.8 466 12.5
2 0.14 108 2.89 360 9.65 569 15.2 599 16.1 700 18.8
5 0.34 188 5.04 567 15.2 720 19.3 885 23.7 977 26.2
10 0.69 282 7.56 808 21.7 919 24.6 1250 33.5 1259 33.7
15 1.0 353 9.46 971 26.0 1108 29.7 1502 40.3 1145 30.7
20 1.4 415 11.1 1165 31.2 1334 35.8 1217 32.6 1047 28.1
30 2.1 540 14.5 1503 40.3 1529 41.0 1204 32.3
40 2.8 656 17.6 1662 44.5 1209 32.4
60 4.1 875 23.4 1885 50.5 2346 62.9
80 5.5 1129 30.3 1292 34.6
100 6.9 1367 36.6 1568 42.0
125 8.6 1662 44.5 1564 41.9
150 10.3 1857 49.8
175 12.1 1817 48.7
200 13.8 1472 39.4
2.5 to 7 in. w.c. /
6.2 to 17 mbar
Red
2.5 in. w.c. / 6.2
mbar
-1 to 2 in. w.c. /
-2.5 to 5.0 mbar
1 0.07 69 1.85 124 3.32 236 6.32 318 8.52 332 8.90
2 0.14 95 2.55 178 4.77 429 11.5 495 13.3 473 12.7
5 0.34 150 4.02 321 8.60 531 14.2 730 19.6 777 20.8
10 0.69 265 7.10 483 12.9 761 20.4 1014 27.2 1121 30.0
15 1.0 347 9.30 611 16.4 953 25.5 1272 34.1 1116 29.9
20 1.4 409 11.0 765 20.5 1229 32.9 1557 41.7 1143 30.6
30 2.1 532 14.3 1764
47.3 1411 37.8 1019 27.3 1131 30.3
40 2.8 653 17.5 1328 35.6 1438 38.5 972 26.0
60 4.1 831 22.3 1768 47.4 2170 58.2
80 5.5 1045 28.0 1672 44.8 1435 38.5
100 6.9 1265 33.9 2644 70.9
125 8.6 1524 40.8 1338 35.9
150 10.3 1567 42.0 1509 40.4
175 12.1 1747 46.8 1553 41.6
200 13.8 1431 38.4
4 in. w.c. /
10 mbar
-1 to 2 in. w.c. /
-2.5 to 5.0 mbar
1 0.07 66 1.77 115 3.08 161 4.31 266 7.13 264 7.08
2 0.14 95 2.55 196 5.25 368 9.86 447 12.0 424 11.4
5 0.34 149 3.99 366 9.81 488 13.1 620 16.6 698 18.7
10 0.69 205 5.49 517 13.9 706 18.9 976 26.2 1175 31.5
15 1.0 287 7.69 694 18.6 908 24.3 1209 32.4 931 25.0
20 1.4 356 9.54 853 22.9 1090 29.2 1482 39.7 1049 28.1
30 2.1 504 13.5 1655 44.4 1380 37.0 1794 48.1 1035 27.7
- Shaded areas indicate where maximum operating inlet pressure for a given orice size is exceeded.
- continued -
Table 7. Flow Capacities of Type T205 with 3/4 in. / DN 20 Body Size