Overview
A centrifugal fan for industrial boiler duty: induced draft, flue gas and hot process air. The impeller and housing are built for temperature, and the motor sits outside the hot stream so it can be cooled and serviced.
The range covers several sizes and motor powers. Boiler applications are specified by gas temperature, draft requirement and duty cycle, not by airflow alone.
Where it fits
- Industrial boiler induced draft
- Furnace and kiln exhaust
- Hot process air
- Drying and curing ovens
Specifications
| Model | Speed (r/min) | Motor (kw-p) | Air flow (m3/h) | Full pressure (Pa) |
|---|---|---|---|---|
| 3.55C | 2950 | 1.5-2 | 2962-841 | 588-1448 |
| 4C | 3450 | 3-2 | 3996-1355 | 1893-2676 |
| 4.5C | 2925 | 4-2 | 4970-2317 | 1667-2327 |
| 3250 | 5.5-2 | 5522-2574 | 2058-2873 | |
| 5.4C | 2600 | 7.5-2 | 7980-3900 | 2002-2604 |
| 2900 | 11-2 | 8901-4350 | 2491-3240 | |
| 7.1C | 1915 | 11-4 | 13770-7113 | 1859-2487 |
| 2100 | 15-4 | 15100-8170 | 2230-2990 | |
| 2200 | 18.5-4 | 15820-8170 | 2500-3280 | |
| 9 | 1650 | 22-4 | 24020-12410 | 2190-2930 |
| 10 | 1800 | 37-4 | 32140-16600 | 2570-3450 |
Selection and installation notes
Give us the gas temperature at the inlet and whether the duty is continuous. Bearing, insulation and motor position follow from those answers.
Condensation and dust both affect life. Tell us the fuel and the particulate load so the housing material and cleaning access can be matched.
Related models
This model is one of 3 in the range. Neighbouring options include the High Pressure Centrifugal Fan for Process Air and the Low Noise Kitchen Exhaust Centrifugal Fan, and the High Speed DC Cooling Blower for Dense Equipment. All 3 models in Centrifugal Exhaust Fans are listed with their airflow and pressure figures. Blade shapes, drive arrangements and casing options are compared in Centrifugal Fan Types: Blades, Drives and Casings.
FAQ
What temperature can it withstand?
It depends on the model and the motor arrangement. State the gas temperature and duty cycle for a specific answer.
Can the motor be outside the hot stream?
Yes, that is the usual arrangement for high-temperature duty. Confirm per model.
Is it suitable for biomass flue gas?
Only with the right material and cleaning provision. Tell us the fuel and the particulate load.
Does it include a damper?
No. Dampers and actuators are selected separately and must be matched to the duct size.
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