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Cross-flow fans (through-flow fans) demonstrate distinct application advantages in the following scenarios due to their unique lateral airflow design:
1. HVAC and Building Ventilation
Air Curtains (Hot Air Curtains)
Form an air curtain using a flat, high-speed airflow to effectively block indoor-outdoor air exchange, commonly used at mall and warehouse entrances.
The hot air curtain version prevents cold air intrusion in winter, delivering significant energy savings.
Residential Air Conditioning
Compact cross-flow fans (e.g., 48mm-60mm) are used in split-system indoor units to deliver uniform airflow with noise levels as low as 18dBA.
II. Industrial and Electronic Equipment
Electronic Equipment Cooling
In applications requiring stable heat dissipation—such as servers and communication base stations—cross-flow fans eliminate local hotspots through laminar airflow.
Medical instruments (e.g., monitors) rely on their silent operation (<25dBA).
Industrial Drying and Cooling
Grain dryers utilize lateral airflow to uniformly penetrate grain layers, enhancing drying efficiency.
Prevents clumping during chemical raw material drying while adapting to high-temperature environments.
III. Specialized Applications
Medical and Laboratory Settings
Operating rooms and dental clinics require sterile environments; cross-flow fans paired with HEPA filters eliminate aerosols and bacteria.
Vehicle Ventilation
Electric vehicle battery cooling and auxiliary ventilation for onboard air conditioning rely on DC power (12V/24V).
Technology Comparison and Selection Recommendations
Type Energy Efficiency Typical Applications
AC Medium Low-cost industrial equipment
DC Medium-High Portable devices/vehicle applications
EC High Medical/smart home applications
Note: Selection requires consideration of voltage compatibility (e.g., AC 220V vs DC 24V), control requirements (e.g., PWM/RS485), and environmental conditions (e.g., IP protection rating). OEM/ODM customization available.
| item | value |
| Material | Aluminum |
| Voltage | 12v 24v |
| Customized support | OEM |
| Place of Origin | CN;GUA |
| Logo/graphic design | Customized |
| Brand Name | PRSK |
| Model Number | LF65dc |
| Mounting | Cross flow fan |
| Speed | 400-2900rpm |
ABOUT US Established in 2005, our company is a comprehensive enterprise specializing in the R&D, production, sales, and related technical support and services of cooling fans. We own the independent brand “SANGOA” and have obtained certifications for management systems such as ISO9001/ISO14001/QC80000/IATF16949. Meanwhile, SANGOA holds a series of relevant product certifications, including CE, UL, TUV, CCC, ROHS, etc. SANGOA is also equipped with a full set of development and testing equipment for the fan industry: CFM testing system, noise testing chamber, temperature cycle testing system, drop testing system, simulated transportation testing system, salt spray testing system, etc. In addition to infrastructure, we have 8 fully automatic production lines and 8 semi-automatic production lines, with a daily production capacity of 50,000 fans and a monthly sales volume exceeding 1,000,000 fans.
1. Who are we?
We are based in Zhejiang, China, started from 2025, sell to Southeast Asia(25.00%),Mid East(20.00%),Eastern Europe(10.00%),Western Europe(10.00%),North America(5.00%),South America(5.00%),Eastern Asia(5.00%),Central America(5.00%),Northern Europe(5.00%),Southern Europe(5.00%),South Asia(2.00%),Africa(1.00%),Oceania(1.00%),Domestic Market(1.00%). There are totally about 11-50 people in our office.
2. How can we guarantee quality?
Always a pre-production sample before mass production;
Always a final inspection before shipment;
3. What can you buy from us?
DC axial flow fan,AC axial flow fan,DC Blower Fan,EC Axial Fan
4. Why should you buy from us and not from other suppliers?
Our company was founded in 2005 and is a comprehensive enterprise specializing in the research and development, production, sales, and related technical support and services of cooling fans. Holding a series of related product certifications such as CE
5. What services can we provide?
Accepted Delivery Terms: FOB;
Accepted Payment Currency: USD,CNY;
Accepted Payment Type: T/T,Cash;
Language Spoken: English,Chinese
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