Product Description

High-Efficiency Crossflow Exhaust Fan - Optimal Ventilation for Commercial & Industrial Spaces
Engineered for precision airflow and quiet operation, our 250mm Crossflow Exhaust Fan combines innovative design with rugged durability, making it ideal for commercial kitchens, workshops, warehouses, and residential ventilation systems. Designed to move air efficiently across large spaces, this fan strikes a balance between performance, energy savings, and user-friendly installation.
Why Choose Our Crossflow Fan?
Perfect for spaces where quiet, consistent airflow is critical- no more uneven ventilation or excessive noise. The compact design fits tight ductwork or wall openings, while the rugged build ensures years of reliable performance, even in high-moisture or dusty conditions. Available in multiple sizes (150mm to 400mm) and materials to suit your exact needs.
Upgrade your ventilation system today, engineered for efficiency, built for durability.
Key Features
Core Features & Benefits
1. Advanced Airflow Design
- Crossflow Technology: Unique impeller design creates a uniform, low-turbulence airflow pattern, delivering 30% higher air volume (CFM) compared to traditional axial fans in narrow spaces.
- Diagonal Flow Optimization: For models with hybrid diagonal/crossflow architecture, the angled blade design increases static pressure by 20%, ensuring consistent ventilation even in the presence of duct resistance or external pressures.
2. Quiet & Energy-Efficient Operation
- Low Noise Output: Engineered with noise-dampening housing and aerodynamic blades, achieving ≤55dB(A) at full load-perfect for noise-sensitive environments like offices, retail spaces, or residential attics.
- Energy Star Compliance (optional): The high-efficiency EC motor variant reduces power consumption by 40% compared to standard AC models, making it ideal for 24/7 operation.
3. Durable Construction for Harsh Environments
- Material Options:
- Plastic Housing: Lightweight, corrosion-resistant ABS for indoor use (humidity tolerance up to 95%).
- Powder-Coated Steel: Heavy-duty industrial grade, tested for 10,000+ hours in dusty/abrasive environments (IP54 protection).
- Reinforced Impeller: Balanced aluminum or composite blades resist warping, ensuring vibration-free operation at speeds of up to 2,800 RPM.
4. Flexible Installation & Maintenance
- Multi-Mount Design: Includes universal brackets for wall, ceiling, or duct mounting (100-300mm duct compatibility), with quick-release grilles for tool-free access to internal components.
- Plug-and-Play Compatibility: Standard 110V/220V wiring (CE/UL certified) and optional speed control knob for adjusting airflow on demand.
5. Safety & Compliance
- Overheat Protection: Built-in thermal cutoff switches prevent motor damage in the event of blockages or prolonged use.
- Certifications: CE and UL-listed (for North American markets), meeting OSHA safety standards for industrial applications.

Product Detail
Technical Specifications
- Dimensions: 250mm diameter x 180mm depth (housing); 200mm impeller width
- Airflow: 600-23,900 m³/h (variable by speed setting)
- Power Supply: 110V/220V/380V, 50/60Hz (single-phase)
- Motor Type: Permanently Split Capacitor (PSC) or EC brushless (energy-efficient upgrade)
- Mounting: Flange-mount with 4x M6 threaded holes (hardware included)
Model Table
Machine No. |
Speed (r/min) |
Air Volume (m³/h) |
Static Pressure (Pa) |
Power (kW) |
2.0F |
1400 |
600-725 |
65-45 |
0.025 |
2.5F |
1400 |
1000-1425 |
120-80 |
0.09 |
2.5F |
1400 |
1750-2450 |
175-100 |
0.18 |
3.0F |
1400 |
1750-2450 |
150-100 |
0.37 |
3.5S |
910 |
1000-1875 |
150-100 |
0.37 |
3.5F |
1400 |
2000-2625 |
300-250 |
0.37 |
4.0S |
910 |
2000-2670 |
200-145 |
0.37 |
4.0F |
1400 |
3000-4490 |
400-260 |
0.75 |
4.5S |
910 |
3000-4170 |
240-180 |
0.37 |
4.5F |
1400 |
4000-6000 |
500-350 |
1.1 |
5.0S |
910 |
4000-5500 |
300-200 |
0.75 |
5.0F |
1400 |
5000-7900 |
700-450 |
2.2 |
6.0S |
910 |
5000-9990 |
480-290 |
1.5 |
6.0F |
1440 |
8000-13900 |
1000-600 |
5.5 |
7.0S |
960 |
8000-14900 |
625-400 |
3.0 |
8.0S |
960 |
12000-23900 |
860-440 |
5.5 |
Applications
Applications
- Commercial: Kitchen exhaust, server room cooling, retail HVAC systems.
- Industrial: Light manufacturing ventilation, equipment heat dissipation, warehouse air circulation.
- Residential: Attic/crawlspace ventilation, bathroom exhaust, greenhouse air exchange.

Packaging & Shipping

Certifications

Our Advantages

ABOUT US
Shandong Shuangyi Group Co., Ltd. was established in 1984. It is a modern enterprise specializing in the research, development, production, and sales of cooling towers. The company's headquarters are located in Jinan City, Shandong Province, known as the "Hometown of Springs in China," and its production base is situated in Xinhua Industrial Park, Dezhou City, Shandong Province. It is an internationally certified ISO 9001 quality system enterprise.
FAQ
1. Q: Are you a Trading Company or a Manufacturing Factory?
A: We are both a manufacturer and a trading company. We have our factory, which has been in operation for almost 40 years, and we provide better service to our overseas customers.
2. Q: I am interested in your products. Could I get a sample for free?
A: We can supply a few pieces of free samples if we have them in stock, and you only need to cover the freight cost yourself.
Welcome to send your inquiry for FREE samples!
3. Q: How about the Delivery time?
A: 10- 15 days after receiving the deposit, based on the MOQ. Typically, it takes 30-35 days to finish the order for a 20ft container.
Please feel free to request a detailed delivery time based on your order quantity.
4. Q: How can you guarantee the product quality?
A: We have a quality control system based on ISO 9001:2015, which we follow strictly. We also have a professional QC team, and each of our package workers is responsible for the final inspection, as instructed by the QC team, before packing.
5. Q: What is the payment term?
A: Basically, the payment terms are T/T, L/C at sight. Western Union, Alipay.
6. Q: Can you do OEM for me?
A: We accept all OEM orders. Please get in touch with us with your design and name, and we will offer you a reasonable price as soon as possible.
Purchasing Notes
1. If you only know he volume or area of your warehouse, plant, or workshop, such as its length, width, and height, please ensure that you contact us on time. By doing so, our engineers can design the specifications and quantity of the product to meet your needs.
2. If no specification parameter is required in the parameter table, please specify your requirements, and we will provide you with a satisfactory design scheme.
3. If you have confirmed our products, please place an order and then make payment. After that, we will arrange delivery as soon as possible. Without a change in the order before delivery, we will provide you with an exquisitely prepared gift.
4. If you encounter any transportation difficulties, please get in touch with us immediately, and we will provide a suitable plan to minimize freight costs as much as possible.