Negative pressure fan

Product Description

GW fiberglass negative pressure fan is specially designed for large-scale ventilation in agricultural, industrial, and humid environments. Made with fiberglass-reinforced plastic, it offers outstanding resistance to corrosion, UV radiation, and moisture, making it perfect for poultry farms, greenhouses, factories, and coastal regions.

Powered by a high-efficiency direct drive motor, this fan ensures maximum airflow with minimal power consumption, helping you save on energy costs while maintaining excellent indoor air quality.

Feature Highlights

✅ 1. Fiberglass Housing & Blades

• Made of high-strength fiberglass material.

• Anti-rust, anti-corrosion, UV-resistant.

• Suitable for long-term use in ammonia-heavy or humid environments.

✅ 2. Powerful Airflow Performance

• Air volume up to 44,000 m³/h (depending on model).

• Strong suction removes heat, smoke, and odors quickly.

• Maintains a stable negative pressure environment.

✅ 3. Energy-Efficient Motor

• Direct drive motor with stable performance.

• Low power consumption – saves electricity in long-term use.

• Optional single-phase or three-phase voltage.

✅ 4. Automatic Shutter System

• Louvers open when the fan is operating.

• Automatically close when stopped to prevent insects, dust, and rain.

✅ 5. Low Noise & Smooth Operation

• Fiberglass blades are precision-balanced.

• Quiet operation – noise level as low as ≤65 dB.

Application Scenarios with Keywords

• ✅ Poultry farms – remove ammonia and keep birds healthy

• ✅ Greenhouses – reduce humidity and maintain fresh air

• ✅ Livestock barns – strong airflow helps control odors and heat

• ✅ Factories and workshops – discharge fumes and heat

• ✅ Chemical warehouses – corrosion-resistant fan structure

• ✅ Food processing areas – maintain hygiene with constant ventilation

💬 Contact us now for free consultation, technical support, and the best factory price.
🔧 OEM & custom voltage options available.
📦 Ready to ship. Global delivery supported.