Introducing TKFAN’s innovative reversible DC brushless round fan series, engineered for adaptive bi-directional airflow systems and multi-mode ventilation environments. Designed to seamlessly switch rotation directions via software control or hardware signals, these intelligent inline round fans work excellently for both air intake and exhaust. They remove the requirement for dual-fan setups and effectively lower overall system hardware complexity, ideal for fresh air ventilation projects.
Voltage 12V
5500rpm/min
Max 42.4 cfm,0.15 kpa
Voltage 12V
2600rpm/min
Max 74.3 cfm,0.05 kpa
Voltage 12V
3100rpm/min
Max 70.9 cfm,0.10 kpa
Voltage 12V
2800rpm/min
Max 148.1 cfm,0.06 kpa
Voltage 12V
2150rpm/min
Max 173.2 cfm,0.05 kpa
Compare voltage parameters, rotational speed, volumetric airflow, and static pressure to identify the ideal round fan for your circular duct systems, equipment enclosures, and industrial cooling needs.
| Model / Series | Voltage (V) | Speed (RPM) | Airflow (CFM) | Max Pressure (kPa) |
|---|---|---|---|---|
| DA9238H12B | 12 | 5,500 | 42.4 | 0.15 |
| DA12038H12B-2600422 | 12 | 2,600 | 74.3 | 0.05 |
| DA13628H12B-A | 12 | 3,100 | 70.9 | 0.10 |
| DA14038H12B-B | 12 | 2,800 | 148.1 | 0.06 |
| DA17251L12B-A | 12 | 2,150 | 173.2 | 0.05 |
In modern industrial equipment, circular duct networks, compact server cabinets, and specialized medical hardware, space constraints and air flow path continuity are vital factors for thermal management. Square-frame fans often suffer from dead zones at the corners, creating internal turbulence and flow separation. Deploying a specialized round fan solves these spatial and aerodynamic limitations by providing a seamless, circular housing profile that matches cylindrical ducting and round mounting ports perfectly.
When standard square fans are retrofitted into circular ports, air leakage, pressure loss, and extra acoustic resonance frequently occur. To maintain precise temperature thresholds and ensure uninterrupted operation, engineering teams rely on a rugged round fan optimized for high airflow uniformity, minimal vortex generation, and maximum mechanical durability.
Cooling and ventilating circular architectures present unique mechanical and fluid dynamic challenges. Key engineering friction points include:
An advanced round fan mitigates these engineering bottlenecks by featuring a specialized circular frame, dynamically balanced impellers, and brushless DC/EC motor drivers designed for continuous heavy-duty ventilation.
The round housing design eliminates unused frame corners, allowing the round fan to fit directly into circular ducts, round tube heat exchangers, or cylindrical enclosures without requiring heavy adapter flanges. This streamlines airflow vectors, minimizes drag, and boosts total CFM output.
Utilizing advanced brushless EC/DC technology, a high-efficiency round fan consumes significantly less energy while producing lower operational heat. These motors offer precise PWM or 0-10V speed regulation, enabling real-time airflow adaptation to meet changing thermal demands.
Equipped with dual ball bearings and precision two-plane balancing, a modern round fan delivers smooth rotation even at high RPMs. Optimized stator vanes direct air smoothly downstream, reducing turbulent air chatter and ensuring long service life under continuous 24/7 operation.
TKFAN high-versatility reversible DC round fans are widely utilized in fresh air systems, residential ventilation projects, commercial air exchange systems, greenhouse ventilation, grow tent exhaust, RV ventilation and enclosed cabinet bidirectional air circulation.
We offer customization services from wire length to full mold design. Get a prototype in 48 hours.
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