The 8-09 high pressure centrifugal fan is a dedicated blower series for cupola furnaces with documented melting rates of 1, 2, 3, 5 and 7 t/h. It can also be used for furnace blowing, forging-furnace air supply and conveying suitable non-corrosive gases where high total pressure is required.
The documented 8-09 series covers No.6.8A, 7.1D, 8D, 8.5D and 9D. Catalogue performance points cover 675–6,049 m³/h airflow and 10,523–20,736 Pa total pressure. Standard medium temperature should not exceed 80°C and dust or hard particles should not exceed 150 mg/m³.
Catalogue performance is referenced at 20°C, air density 1.2 kg/m³ and atmospheric pressure 101,325 Pa. Final selection should still be based on the real operating point, furnace duty, gas condition, motor power, rotation, outlet direction and installation layout.
Pressure-Focused Air Supply for Furnace Blowing and High-Resistance Process Systems
The 8-09 is a catalogue-defined high-pressure centrifugal fan series developed for cupola furnace blowing. The source catalogue states matching melting rates of 1, 2, 3, 5 and 7 t/h, while also allowing use for other furnaces, forging-furnace blowing and transport of suitable air or similar gases.
The conveyed medium should be non-corrosive, non-spontaneously combustible and free from sticky substances. The actual fan number should be confirmed from airflow and total pressure rather than selected from motor power alone.
Catalogue reference conditions are 20°C, 1.2 kg/m³ air density and 101,325 Pa atmospheric pressure. Temperature above 80°C, dust or hard particles above 150 mg/m³, corrosion, unusual process media or explosion-proof requirements need separate review.
High Pressure Does Not Mean Every Difficult Duty
Corrosive gas, temperature above 80°C, excessive abrasive dust, explosion risk or unusual process media may require another fan family, special material or modified mechanical construction.
8-09 Series Technical Parameters
8-09 Performance by Fan Size and Operating Point
The following operating points are transcribed from the supplied 8-09 catalogue pages. Reference conditions are 20°C, air density 1.2 kg/m³ and atmospheric pressure 101,325 Pa.
Required power is the catalogue shaft-power requirement at each operating point. Motor options shown for each fan group are catalogue-listed motor powers and should still be checked against the actual project duty.
Catalogue motor options: 7.5 / 11 / 15 kW
Catalogue motor options: 5.5 / 7.5 / 11 / 15 / 18.5 kW
Catalogue motor options: 11 / 15 / 18.5 / 22 / 30 / 37 kW
Catalogue motor options: 15 / 18.5 / 30 / 37 / 45 kW
Catalogue motor options: 22 / 30 / 37 / 45 / 55 / 75 kW
Catalogue Dimensions for 8-09 Fan Sizes
No.6.8A is shown with the current engineering drawing. Dimensions for No.7.1D, 8D, 8.5D and 9D are retained as catalogue data. The data tables below use the same industrial table format as the performance section above for faster engineering reference.
Typical Applications of the 8-09 High-Pressure Fan
What to Confirm Before Selecting 8-09
FAQ About 8-09 High Pressure Centrifugal Fan
Share airflow, total pressure, furnace type, medium temperature, dust condition, outlet direction, rotation, voltage and quantity. QIYUE FAN will review whether the 8-09 high pressure centrifugal fan fits your project.
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