Mixed Flow Fans
Mixed flow (diagonal) fans combine axial airflow with centrifugal pressure capability, suited to medium-resistance duct runs. Final selection is confirmed at the duty point (airflow / static pressure / voltage / control mode) and by project verification.
Browse by series
| Model | Size | Max airflowm³/h | Max static pressurePa | PowerW | NoisedB(A) | Speedrpm | VoltageV | ||
|---|---|---|---|---|---|---|---|---|---|
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LWDA-100 (4")S-PWN-02AC | Ø100 mm | 605 | 168 | 41 | 51 | 2,900 | 220-240 | Details |
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LWDA-100 (4")U-PWN-01AC | Ø100 mm | 410 | see curve | 41 | 52 | 3,350 | 110-120 | Details |
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LWDA-125 (5")S-PWN-02AC | Ø125 mm | 605 | 168 | 41 | 51 | 2,900 | 220-240 | Details |
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LWDA-125 (5")U-PWN-01AC | Ø125 mm | 410 | see curve | 41 | 52 | 3,350 | 110-120 | Details |
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LWDA-150 (6")S-MWN-02AC | Ø150 mm | 620 | see curve | 41 | 55 | 2,900 | 220-240 | Details |
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LWDA-150 (6")U-MWN-01AC | Ø150 mm | 437 | see curve | 55 | 58 | 3,400 | 110-120 | Details |
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LWDA-200 (8")S-MWN-02AC | Ø200 mm | 1,150 | see curve | 143 | 59 | 2,900 | 220-240 | Details |
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LWDA-200 (8")U-MWN-01AC | Ø200 mm | 720 | see curve | 179 | 65 | 3,400 | 110-120 | Details |
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LWDA-250 (10")S-MWN-02AC | Ø250 mm | 1,900 | see curve | 162 | 68 | 2,750 | 220-240 | Details |
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LWDA-250 (10")U-MWN-01AC | Ø250 mm | 1,219 | see curve | 228 | 69 | 3,000 | 110-120 | Details |
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LWDA-300 (12")S-MWN-02AC | Ø300 mm | 3,150 | see curve | 320 | 72 | 2,900 | 220-240 | Details |
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LWDA-300 (12")U-MWN-01AC | Ø300 mm | 1,900 | see curve | 489 | 78 | 3,450 | 110-120 | Details |
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LWDA-350 (14")S-MWN-02AC | Ø350 mm | 6,450 | see curve | 903 | 79 | 2,900 | 220-240 | Details |
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LWDA-350 (14")U-MWN-01AC | Ø350 mm | 2,130 | see curve | 260 | 74 | 1,720 | 110-120 | Details |
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LWDA-400 (16")S-MWN-02AC | Ø400 mm | 7,100 | see curve | 1,300 | 83 | 2,940 | 220-240 | Details |
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LWDA-400 (16")U-MWN-01AC | Ø400 mm | 2,500 | see curve | 440 | 75 | 1,780 | 110-120 | Details |
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LWDE-100 (4")S-PWN-02EC | Ø100 mm | 697 | see curve | 35 | 52 | 3,350 | 220-240 | Details |
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LWDE-100 (4")U-PWN-01EC | Ø100 mm | 410 | see curve | 35 | 52 | 3,350 | 110-120 | Details |
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LWDE-125 (5")S-PWN-02EC | Ø125 mm | 697 | see curve | 35 | 52 | 3,350 | 220-240 | Details |
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LWDE-125 (5")U-PWN-01EC | Ø125 mm | 410 | see curve | 35 | 52 | 3,350 | 110-120 | Details |
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LWDE-150 (6")S-MWN-02EC | Ø150 mm | 720 | see curve | 35 | 58 | 3,400 | 220-240 | Details |
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LWDE-150 (6")U-MWN-01EC | Ø150 mm | 437 | see curve | 35 | 58 | 3,400 | 110-120 | Details |
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LWDE-200 (8")S-MWN-02EC | Ø200 mm | 1,310 | see curve | 140 | 61 | 3,300 | 220-240 | Details |
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LWDE-200 (8")U-MWN-01EC | Ø200 mm | 700 | see curve | 140 | 61 | 3,300 | 110-120 | Details |
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LWDE-250 (10")S-MWN-02EC | Ø250 mm | 2,075 | see curve | 195 | 69 | 3,000 | 220-240 | Details |
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LWDE-250 (10")U-MWN-01EC | Ø250 mm | 1,219 | see curve | 195 | 69 | 3,000 | 110-120 | Details |
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LWDE-300 (12")S-MWN-02EC | Ø300 mm | 3,500 | see curve | 352 | 74 | 3,200 | 220-240 | Details |
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LWDE-300 (12")U-MWN-01EC | Ø300 mm | 1,763 | see curve | 352 | 74 | 3,200 | 110-120 | Details |
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LWDE-350 (14")S-MWN-02EC | Ø350 mm | 6,200 | see curve | 659 | 77 | 2,800 | 220-240 | Details |
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LWDE-350 (14")U-MWN-01EC | Ø350 mm | 3,467 | see curve | 659 | 77 | 2,800 | 110-120 | Details |
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LWDE-400 (16")S-MWN-02EC | Ø400 mm | 6,850 | see curve | 1,200 | 81 | 2,800 | 220-240 | Details |
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LWDE-400 (16")U-MWN-01EC | Ø400 mm | 4,032 | see curve | 1,200 | 81 | 2,800 | 110-120 | Details |
Mixed Flow Fans — selection guide
Mixed Flow Fans: 32 models, impellers Ø100–400 mm, maximum airflow 410–7,100 m³/h, static pressure to 168 Pa, AC and EC motors, across 16 series.
Mixed flow (diagonal) duct fans use an impeller between axial and centrifugal geometry: axial-style airflow with a centrifugal pressure component, in an inline casing from Ø100 to Ø400 mm (4 to 16 inch), 410–7,100 m³/h. Each size is offered as an AC pair (LWDA) and an EC pair (LWDE) in 110–120 V and 220–240 V, so the same fan is quoted for 60 Hz and 50 Hz markets. They are the choice for long runs, several bends or fine filters at a given duct size.
How to select from this range
- Choose mixed flow when a standard inline fan of the duct size cannot reach the pressure of the run.
- Select 110–120 V for North America, 220–240 V for Europe and Asia; both versions exist for every size.
- EC (LWDE) adds 0–10 V control for demand-controlled ventilation.
Where these fans are used
- Long residential and office duct runs
- Grow rooms with carbon filters
- Booster duty behind filters
- Workshop extraction
Curves marked “measured” come from our own test rigs per AMCA 210 / ISO 5801 methods; digitised catalogue curves are flagged as such in the selector — see the test labs and certificates. Final selection is confirmed at the duty point and by project validation.
FAQ — Mixed Flow Fans
What sizes are the mixed flow fans?
Ø100, 125, 150, 200, 250, 300, 350 and 400 mm (4–16 inch), each in AC and EC, 110–120 V and 220–240 V — 32 models.
Mixed flow or ultra-silent for a bedroom?
Ultra-silent for the lowest sound level at short runs; mixed flow where the run is long and pressure decides. Both are listed with sound pressure in the data table.