| Parameter |
Value |
Unit |
| (a) Manufacturer |
Östberg |
- |
| (b) Model code |
BFS 850x850 F3 EC |
- |
| (c) Declared type |
NRVU / UVU |
- |
| (d) Type of drive |
Variable speed drive |
- |
| (e) Type of HRS |
N/A |
- |
| (f) Thermal efficiency |
N/A |
% |
| (g) Nominal flow rate |
4.321 |
m3/s |
| (h) Effective power input |
4.470 |
kW |
| (i) SFP int |
N/A |
W/(m3/s) |
| (j) Face velocity |
7.6 |
m/s |
| (k) Nominal external pressure |
577 |
Pa |
| (l) Internal pressure drop |
N/A |
Pa |
| (n) Static efficiency |
63.4 |
% |
| (o) External (and internal) leakage rate |
0.043 (N/A) |
% |
| (p) Filter classification |
N/A |
- |
| (q) Visual filter warning |
N/A |
- |
| (r) Sound power level |
72 |
dB LwA |
| (s) Disassembly instructions |
www.ostberg.com
|
- |