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Cross-flow Fan

Uniform airflow, low noise, compact structure, suitable for narrow spaces

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Cross-flow fans feature a long strip impeller design. Air flows axially through the fan, delivering a wide, evenly distributed airflow with no local strong wind areas and extremely low operating noise.

Their compact, flat structure allows embedding into narrow devices such as air conditioners and electric heaters, achieving quiet air delivery while maintaining sufficient airflow volume.

Our 30 Series and 42 Series cross-flow fans are widely used in indoor air conditioner units, air purifiers, elevator ventilation systems, and other scenarios. They are especially ideal for environments demanding high levels of quietness and airflow uniformity.

1. 30 Series Cross-flow Fan

2. 42 Series Cross-Flow Fan

3. 30 Series vs 42 Series Cross-flow Fan Comparison

Fan size	Speed range	Rated voltage	Rated power
30 Series	500-3000rpm	DC:12V-24V	12W (MAX)
42 Series	500-2000rpm	DC:12V-24V	24W (MAX)

4. Performance & Application Differences

A. Speed & Airflow Performance

30 Series: Max speed up to 3000 rpm. It provides higher airflow and wind speed at the same voltage, ideal for scenarios requiring large airflow and fast ventilation.
42 Series: Max speed limited to 2000 rpm. Lower speed, smoother operation, better noise control, suitable for environments requiring ultra-quiet performance.

B. Power & Load Capacity

30 Series: Rated power only 12W, lower power consumption, suitable for small equipment and low-load applications (e.g. small air conditioners, desktop purifiers).
42 Series: Rated power up to 24W, stronger load capacity, can drive longer impellers or overcome higher air duct resistance, suitable for medium-sized equipment and applications requiring higher air pressure (e.g. vertical air conditioners, commercial purifiers).

C. Structure & Application

30 Series: Smaller size, more compact structure, suitable for space-limited and lightweight equipment.
42 Series: Larger size, longer impeller, wider air outlet, suitable for equipment requiring large-area uniform air supply. Higher power ensures stable driving of long impellers.

5. Selection Guide

Low power consumption, high speed, large airflow, compact space → Choose 30 Series
High load, low noise, stable operation, sufficient space → Choose 42 Series