
Specifications
We offer comprehensive custom solutions tailored to your exact specifications.

(unit:mm)
Model No. | φA (Flange Diameter) | φD (Barrel Diameter) | B (Opening) | G | C (Base Inner Diameter) | E | H |
3 | 740 | 320 | 400 | 40 | 600 | 300 | 635 |
4 | 800 | 350 | 500 | 40 | 600 | 330 | 695 |
5 | 850 | 505 | 600 | 40 | 800 | 390 | 815 |
6 | 1000 | 638 | 700 | 40 | 900 | 440 | 905 |
7 | 1250 | 700 | 800 | 40 | 1020 | 480 | 1110 |
8 | 1250 | 800 | 900 | 40 | 1120 | 480 | 1110 |
9 | 1430 | 900 | 1000 | 40 | 1260 | 480 | 1110 |
10 | 1500 | 1000 | 1100 | 60 | 1410 | 480 | 1265 |
11.2 | 1800 | 1120 | 1240 | 60 | 1540 | 480 | 1265 |
12 | 1800 | 1200 | 1360 | 60 | 1660 | 500 | 1315 |
Model No. | Speed (rpm) | Air Volume (m/h) | Static Pressure (pa) | Power (kw) | Noise Level dB(a) |
11.2 | 960 | 56900 | 253 | 5.5
| 82
|
49500 | 296 | ||||
40400 | 322 | ||||
720 | 52500 | 138 | 3
| 77
| |
45000 | 169 | ||||
40000 | 183 | ||||
12 | 720 | 57000 | 196 | 5.5
| 73
|
50000 | 205 | ||||
44000 | 209 | ||||
560 | 42000 | 126 | 3
| 67
| |
37500 | 134 | ||||
33000 | 148 | ||||
3 | 2900 | 3300 | 181 | 0.37
| 66
|
3000 | 206 | ||||
2600 | 232 | ||||
1450 | 1650 | 62 | 0.06
| 56
| |
1560 | 66 | ||||
1450 | 72 | ||||
4 | 2900 | 7450 | 193 | 1.1
| 69
|
6350 | 230 | ||||
5300 | 250 | ||||
1450 | 5700 | 176 | 0.25
| 67
| |
5400 | 184 | ||||
4580 | 190 | ||||
5 | 1450 | 8000 | 135 | 0.55
| 68
|
7000 | 162 | ||||
5600 | 191 | ||||
960 | 7000 | 113 | 0.37
| 63
| |
6700 | 122 | ||||
6400 | 131 | ||||
6 | 1450 | 15000 | 232 | 1.5
| 73
|
14000 | 251 | ||||
13000 | 267 | ||||
960 | 11000 | 168 | 1.1
| 67
| |
10000 | 183 | ||||
9100 | 193 | ||||
7 | 960 | 17500 | 165 | 1.5
| 69
|
15000 | 201 | ||||
12500 | 212 | ||||
720 | 12000 | 141 | 0.75
| 63
| |
11000 | 163 | ||||
9200 | 177 | ||||
8 | 960 | 27000 | 175 | 2.2
| 72
|
25000 | 207 | ||||
23000 | 228 | ||||
720 | 20000 | 129 | 1.5
| 66
| |
18000 | 154 | ||||
16000 | 167 | ||||
9 | 960 | 34500 | 202 | 3
| 76
|
29000 | 236 | ||||
24000 | 256 | ||||
720 | 32000 | 126 | 2.2
| 73
| |
28000 | 156 | ||||
24000 | 177 | ||||
10 | 960 | 50000 | 251 | 5.5
| 81
|
45000 | 286 | ||||
39000 | 317 | ||||
720 | 46000 | 141 | 3
| 76
| |
40000 | 167 | ||||
35000 | 183 |
Product Introduction
🔹 Premium FRP Roof Ventilator – Unmatched Corrosion Resistance & Lightweight Strength
Engineered with advanced glass fiber reinforced plastic (FRP), this roof ventilator delivers exceptional durability in the harshest industrial and commercial environments. Unlike traditional metal fans that rust or degrade over time, our FRP construction offers superior resistance to chemicals, moisture, and UV exposure, making it ideal for factories, greenhouses, commercial kitchens, and wastewater treatment plants. Despite its robust build, the ventilator remains remarkably lightweight, simplifying rooftop installation and reducing structural load. The aerodynamic blade design, combined with a high-efficiency IP55-rated motor, ensures powerful yet quiet airflow — moving large volumes of air while consuming minimal energy. Whether you need to exhaust hot air, remove fumes, or maintain consistent ventilation around the clock, this FRP roof fan is built to perform reliably year after year with virtually no maintenance.
🔹 Long-Term Reliability & Cost-Effective Ventilation Solution
Beyond its material advantages, this FRP roof ventilator is designed for sustained performance under continuous operation. The corrosion-proof housing protects internal components from rain, snow, and chemical vapors, eliminating the risk of premature failure common in conventional steel fans. Its sealed motor bearings and overload protection system guarantee safe operation even in extreme temperatures or dusty conditions. For facility managers and building owners, this translates into lower replacement costs, fewer downtime incidents, and predictable energy expenses over the product’s lifespan. From agricultural greenhouses requiring precise climate control to industrial warehouses needing constant air exchange, this ventilator delivers consistent results without compromise. It is not just a fan — it is a long-term investment in ventilation reliability, operational safety, and energy efficiency.
Advantages
🔹 Superior Corrosion Resistance with Advanced FRP Material
Engineered with glass fiber reinforced plastic (FRP), this roof ventilator withstands chemical exposure, moisture, and UV radiation far better than traditional metal fans. No rust, no peeling, no degradation — even in aggressive industrial or coastal environments. This makes it the ideal choice for factories, wastewater treatment plants, greenhouses, and commercial kitchens where corrosive fumes or high humidity are daily challenges.
🔹 Lightweight Yet Incredibly Strong Construction
Despite its robust durability, the FRP housing is significantly lighter than steel or aluminum alternatives. This simplifies rooftop installation, reduces structural load requirements, and allows for easier handling during transport and setup. You get industrial-grade strength without the weight penalty — a practical advantage for both new installations and retrofit projects.
🔹 High CFM Output with Whisper-Quiet Operation
The aerodynamic blade design, optimized for maximum airflow efficiency, delivers powerful ventilation while keeping noise levels remarkably low. Combined with an IP55-rated motor, this ventilator moves large volumes of air continuously without disturbing workers, residents, or sensitive operations. Perfect for environments where both performance and acoustic comfort matter.
🔹 IP55 Motor Protection for Reliable 24/7 Performance
The sealed motor enclosure protects against dust ingress and water jets from any direction, ensuring dependable operation in rain, snow, or dusty conditions. Overload protection automatically shuts down the motor if abnormal current is detected, preventing damage and extending service life. This level of protection is essential for continuous-duty applications in unpredictable outdoor or semi-outdoor settings.
🔹 Zero-Maintenance Design Reduces Total Cost of Ownership
Unlike metal fans that require regular painting, anti-rust treatment, or bearing replacements, this FRP ventilator is virtually maintenance-free. The corrosion-proof housing never needs coating, and sealed bearings eliminate the need for lubrication. Over its extended lifespan, this translates into significant savings on labor, parts, and downtime — making it a smart long-term investment for any facility.
Applications
- 🔹 🏭 Industrial factories & manufacturing plants — Ideal for exhausting fumes, heat, and airborne particles from production lines, welding zones, or chemical processing areas.
- 🔹 🌿 Greenhouses & hydroponic farms — Provides consistent airflow to regulate temperature and humidity, preventing mold and boosting plant growth.
- 🔹 🍽️ Commercial kitchens & restaurants — Efficiently removes grease, smoke, and odors from cooking areas; compatible with exhaust hood systems.
- 🔹 🏢 Warehouses & logistics centers — Maintains air quality and reduces stagnant air in large storage spaces, protecting goods and improving worker comfort.
- 🔹 🏠 Basements & parking garages — Prevents moisture buildup, radon gas accumulation, and musty odors; perfect for residential or commercial underground spaces.
- 🔹 🏗️ Construction sites & temporary structures — Offers portable, weather-resistant ventilation during building phases or event setups.
- 🔹 🐄 Agricultural & livestock facilities — Removes ammonia, dust, and excess moisture from barns, poultry houses, and dairy farms.
- 🔹 🧪 Laboratories & cleanrooms (non-aggressive environments) — Ensures controlled airflow for sensitive equipment or sample handling (where corrosion resistance is critical).
- 🔹 🛒 Retail stores & supermarkets — Enhances customer comfort by circulating fresh air and reducing stuffiness in enclosed sales areas.
- 🔹 🚇 Subway tunnels & underground transit — Assists in maintaining air circulation and safety in confined public infrastructure (with proper ducting).
DWT-1 FRP Roof Ventilator with High CFM Performance
We present this premium FRP roof fan, engineered with advanced glass fiber reinforced plastic (FRP) materials, delivering exceptional corrosion resistance, lightweight strength, and long-term reliability for industrial and commercial ventilation applications.




