g
Backward Inclined Fan |
| |||
|
|
| 40% |
|
|
|
|
| static efficiency |
|
|
|
| 65 to 75% |
pressure |
|
| application | 85% |
static |
|
| ||
|
| range |
| |
|
|
|
| |
|
|
| airflow | g GM |
|
|
|
| |
cwt p°°“xrp |
|
|
|
|
4 K |
|
|
|
|
|
|
|
| |
4 cwt |
|
|
|
|
LS up” x |
|
|
|
|
;6 °t4 |
|
|
|
|
bx”rt |
|
|
|
|
rwp |
|
|
|
|
° |
|
|
|
|
| 7.5 hp | 10 hp | surge |
|
| line |
| ||
5 hp | [5.6 kW] | [7.5 kW] |
| |
|
| |||
|
|
|
| |
[3.7 kW] |
|
|
|
|
pressure |
|
| $ | resistance curve |
|
|
|
| actual system |
static |
|
|
|
|
|
|
|
| % |
|
|
| airflow | g GN |
|
|
|
| |
d”“xzt |
|
|
|
|
°p |
|
|
|
|
.e/f/4 cwt up” x”°
slightly. For this reason, BI fans are referred to as “nonoverloading” type fans.
98 | caQ3caM6793O[ |
