Product Description
The SYS4-72 High Volume Centrifugal Forced Draft Fan is specifically engineered for industrial cooling and dust removal applications, providing exceptional airflow performance and operational reliability. Constructed with a robust FRP composite structure, this fan exhibits superior corrosion resistance and lightweight durability, making it particularly suitable for demanding environmental conditions.
Key Features
High Performance: Delivers substantial airflow capacity (up to 150,000 m³/h) and high static pressure (1.6 kPa), ensuring efficient cooling and effective dust extraction.
Energy Efficiency: Equipped with an advanced IE5 motor, which minimizes energy consumption while maintaining optimal performance levels.
Quiet Operation: Designed to operate at low noise levels (≤85 dB(A)), complying with stringent workplace safety regulations.
Customizable Design: Available in both horizontal and vertical configurations, with optional silencers and a range of flange sizes (DN400-DN1600).
Wide Temperature Range: Capable of handling gases within the temperature range of -20°C to 120°C, demonstrating adaptability to extreme operating conditions.
Product Parameters
1. Basic Technical Parameters
Parameter |
Specification |
Unit |
Air Volume |
12,500 - 150,000 |
m³/h |
Air Pressure |
360 - 16,000 |
Pa |
Impeller Diameter |
400 - 1,600 |
mm |
Rotation Speed |
1,450 / 2,900 |
rpm |
Motor Power |
1.1 - 25+ |
kW |
Voltage/Frequency |
380V/50Hz (Customizable) |
V/Hz |
Material |
Full FRP / Steel Frame + FRP Composite |
- |
Blade Type |
Backward-curved / Forward-curved |
- |
2. Material & Structure
Parameter |
Specification |
Description |
Housing Thickness |
5 - 8 |
mm (2 - 3 mm anti-corrosion layer) |
Impeller Material |
FRP Molding / Fiberglass Reinforced |
Corrosion-resistant, anti-aging |
Drive Method |
Belt Drive / Direct Drive |
Optional reducer available |
Installation Method |
Horizontal / Vertical / Wall-mounted |
Customizable brackets supported |
3. Performance Parameters
Parameter |
Specification |
Test Standard |
Efficiency |
≥85% |
GB/T 1236-2017 |
Vibration Intensity |
≤2.8 |
mm/s |
Noise Level |
≤85 |
dB(A) (ISO 5801 Standard) |
Temperature Range |
-20ºC ~ 120ºC |
Short-term peak: 150ºC |
4. Application Parameters
Parameter |
Application Scenarios |
Industry Cases |
Gas Type |
Corrosive gases (HCl/sulfuric acid mist), dust, high-temperature gases |
Chemical, electroplating, environmental protection |
Medium Handled |
Acid/alkaline waste gas, dusty air |
Steel plants, cement factories, pharmaceutical workshops |
Maximum Dust Concentration |
≤1,000 |
mg/m³ (Optional dust filter available) |
Detailed Photos


Applications
- Industrial cooling systems, including steel mills and power plants.
- Dust collection in mining, cement, and manufacturing facilities.
- Ventilation systems in chemical processing plants and wastewater treatment facilities.
Certifications & Service
Certified under CE, ISO 9001, and SGS anti-corrosion standards.
Includes a comprehensive 1-year warranty covering parts and labor, along with round-the-clock technical support (24/7).
Packaging & Shipping
Our Advantages
ABOUT US
Shandong Shuangyi Group Co., Ltd. was founded in 1984 and has since developed into a modern enterprise specializing in the research, development, production, and sales of ventilation equipment. The company's headquarters is situated in Jinan City, Shandong Province, known as the "Hometown of Springs in China," while its production base is located in the Xinhua Industrial Park in Dezhou City, Shandong Province. Shandong Shuangyi Group Co., Ltd. is an enterprise internationally certified under the ISO9001 quality management system.
The company's primary products include a wide range of centrifugal fans, axial-flow fans, diagonal-flow and mixed-flow fans, firefighting fans, cabinet fans, wall-mounted fans, no-power exhaust fans, kitchen exhaust fans, and three-phase asynchronous motors, among others. Additionally, the company is capable of designing and manufacturing various non-standard and specialized exhaust equipment as well as custom fans according to specific customer requirements.
FAQ
1. Q: Are you a Trading Company or a Manufacturing Factory?
A: We are both a manufacturer and a trading company. With our own factory operating for nearly 40 years, we provide excellent service tailored to overseas customers. We'd be delighted to assist with any inquiries you may have!
2. Q: I am interested in your products. Could I get a free sample?
A: If we have stock available, we can provide a few free samples at no charge. You would only need to cover the shipping costs. Please feel free to send us your inquiry for more details on obtaining free samples!
3. Q: How about the delivery time?
A: Delivery typically takes 7-15 days after receiving the deposit, depending on the MOQ. For orders filling a 20ft container, it usually takes 15-35 days to complete. We're happy to provide a more precise timeline based on your specific order quantity-just let us know!
4. Q: How can you guarantee product quality?
A: Our quality control system adheres strictly to ISO9001:2015 standards. Additionally, we have a professional QC team that ensures every product meets our high standards. Before packaging, each item undergoes final inspection by our dedicated package workers following detailed QC instructions.
5. Q: What are the payment terms?
A: Our standard payment methods include T/T, L/C at sight, Western Union, and Alipay. However, we're always open to discussing options that best suit your needs.
6. Q: Can you do OEM for me?
A: Absolutely! We welcome all OEM orders. Simply share your design with us, and we'll promptly provide you with a competitive and reasonable quote. Let's work together to bring your ideas to life!
Purchasing Notes
1. If you only know the volume or area of your warehouse, plant, or workshop-such as its length, width, and height-please don't hesitate to reach out to us promptly. Our engineers will be happy to help design the specifications and quantity of the product tailored to your needs.
2. If you cannot find the required specification parameters in the parameter table, please let us know your specific requirements. We will provide you with a fully satisfactory design solution.
3. Once you have confirmed your choice of our products, please place an order and make payment. Afterward, we will arrange for delivery as quickly as possible. Additionally, if there are no changes to your order before shipment, we will send you a thoughtfully prepared gift as a token of appreciation.
4. Should you encounter any difficulties during transportation, feel free to contact us anytime. We will work closely with you to develop a cost-effective plan that minimizes freight expenses as much as possible.