17
APPENDIX A BLOWER PERFORMANCE TABLES - AC
DBC048*B STANDARD BELT DRIVE DOWNSHOT
ESP, In H
2
O
TURNS OPEN
0
1
2
3
4
5
CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP
0.1
1989
1020
0.77 1874 960 0.64 1751
900
0.53 1641 840 0.43 1526 780 0.34 1454 720 0.29
0.2
1913 1020
0.74 1792 960 0.61 1662
900
0.50 1542 840 0.40 1416 780 0.32 1334 720 0.27
0.3
1834
1020
0.70 1706 960 0.58 1567
900
0.47 1436 840 0.37 1295 780 0.29
1200
720 0.24
0.4
1750
1020
0.67 1614 960 0.55 1465
900
0.43
1319
840 0.34
-
-
-
-
-
-
0.5
1662
1020
0.63 1517 960 0.51 1354
900
0.40
-
-
-
-
-
-
-
-
-
0.6
1568
1020
0.60 1411 960 0.48
1232 900
0.37
-
-
-
-
-
-
-
-
-
0.7
1467
1020
0.56 1295 960 0.44
-
-
-
-
-
-
-
-
-
-
-
-
0.8
1357
1020
0.52
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
DBC048*C HIGH STATIC BELT DRIVE DOWNSHOT
ESP, In H
2
O
TURNS OPEN
0
1
2
3
4
5
CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP CFM RPM BHP
0.6
-
-
-
-
-
-
-
-
-
1996
1200
1.05 1872 1135 0.88 1741 1075 0.74
0.7
-
-
-
-
-
-
-
-
-
1922 1200
1.01 1790 1135 0.84 1650 1075 0.70
0.8
-
-
-
-
-
-
1985 1265 1.17 1845
1200
0.97 1703 1135 0.80 1551 1075 0.66
0.9
-
-
-
-
-
-
1914 1265 1.12 1765
1200
0.93 1611 1135 0.76 1445 1075 0.62
1.0
-
-
-
1939
1325 1.25 1839 1265 1.08 1679
1200
0.89 1513 1135 0.72
1329
1075 0.58
1.1
1978
1390
1.40 1869 1325 1.20 1760 1265 1.04 1588
1200
0.85 1405 1135 0.68
-
-
-
1.2
1914
1390
1.35 1796 1325 1.16 1676 1265 0.99 1490
1200
0.80 1287 1135 0.63
-
-
-
1.3
1847
1390
1.31 1719 1325 1.11 1587 1265 0.94 1383
1200
0.75
-
-
-
-
-
-
1.4
1777
1390
1.26 1638 1325 1.06 1492 1265 0.90 1265
1200
0.71
-
-
-
-
-
-
1.5
1704
1390
1.22 1551 1325 1.02 1388 1265 0.85
-
-
-
-
-
-
-
-
-
1.6
1626
1390
1.17 1458 1325 0.97 1273 1265 0.79
-
-
-
-
-
-
-
-
-
1.7
1544
1390
1.12 1357 1325 0.92
-
-
-
-
-
-
-
-
-
-
-
-
1.8
1455
1390
1.07 1245 1325 0.86
-
-
-
-
-
-
-
-
-
-
-
-
1To operate below 0.6" H2O external static pressure, motor and blower sheave must be changed to VL40 and AK64 respectively, or equivalents.