Swedish-made Centrifugal Fans / Fume Extractor Fan
Low-pressure fans LDB
We have our own production of centrifugal fans. Choose between steel, aluminum and stainless, acid-proof steel.
Capacity LDB fläktar:
(500 – 1900 pa)
(50 – 75000 M3)
Impeller:
B – Curved blades
P – Flat blades
S – Radial straight blades
Propulsion
Available in different designs, direct drive, belt drive or coupling, depending on the purpose.
Our specialty is fume extractors for warm gas. All fans can also be delivered ignition proof, for explosive environments.
Atex
All fans can also be delivered ignition proof for explosive environments.
Energy calculation
We make calculations regarding pressure flow to find the fan with optimum efficiency and energy consumption. For further energy efficiency we offer frequency control with pressure or flow control. The fans are also available with energy efficient motors with IE3 classification.
| Dimension | Impeller | Max M3/h | Max Pa (tot) |
| LDB 20 | B / P / S | 2200 | 1500 |
| LDB 25 | B / P / S | 3500 | 1500 |
| LDB 31 | B / P / S | 5000 | 1500 |
| LDB 35 | B / P / S | 6300 | 1300 |
| LDB 40 | B / P / S | 8600 | 1400 |
| LDB 45 | B / P / S | 10500 | 1350 |
| LDB 50 | B / P / S | 13800 | 1400 |
| LDB 56 | B / P / S | 17000 | 1900 |
| Dimension | Impeller | Max M3/h | Max Pa (tot) |
| LDB 63 | B / P / S | 19000 | 1350 |
| LDB 71 | B / P / S | 25500 | 1350 |
| LDB 80 | B / P / S | 31500 | 1150 |
| LDB 90 | B / P / S | 43000 | 1350 |
| LDB 100 | B / P / S | 48000 | 1150 |
| LDB 110 | B / P / S | 60000 | 1150 |
| LDB 120 | B / P / S | 72000 | 1200 |
| LDB 130 | B / P / S | 75000 | 950 |
Our centrifugal fans for flue gases are available in the following standard versions:
