pig farm deodorization galvanized negative pressure fan

Our deodorization galvanized negative pressure fan is designed for farms, greenhouses, and various industrial sites that require forced negative-pressure ventilation and odor control.

Core highlights of the deodorization galvanized negative pressure fan:

1. Fully closable / fully open controllable louvers: Fan louvers can be completely closed to block rain, dust, pests, and light; when opened to 90°, they can intake a large volume of fresh air.
2. Extra-thick galvanized steel blades: Large-curvature blades and thick galvanized steel plate design deliver greater airflow and higher durability, suitable for humid environments and atmospheres containing corrosive gases.
3. Robust pulley and bearing system: Uses an aluminum-alloy pulley system and integrated automotive-grade durable bearings for smooth operation, low noise, and long service life.
4. High-efficiency power unit: Equipped with a 100% copper-wound high-efficiency motor that is heat-resistant, durable, and suitable for long continuous operation.
5. Closing mechanism (swinging drop‑weight): Fitted with a swinging drop‑weight or gravity-closure device to ensure the louvers close tightly when power is off or the fan stops, blocking external dust and light.
6. Wall-mount installation: Supports wall-mount or frame installation, neat appearance and small footprint, convenient for closing to retain heat in winter or fully opening for ventilation in summer.
7. Farm-specific design: Blade curvature supports, reinforced frame, and sealing design are optimized for long-term, high-airflow operation scenarios such as pig farms.

Main performance and advantages of the deodorization galvanized negative pressure fan:

1. Quickly creates negative pressure and accelerates exhaust, significantly reducing indoor ammonia, odors, and humidity.
2. Larger blade curvature and optimized aerodynamic design improve airflow and static pressure efficiency, lowering energy consumption.
3. Galvanized, corrosion-resistant housing and thickened blades provide longer service life in humid or high-corrosion environments.
4. Uses high-quality bearings and a copper-core motor for stable, reliable long-term operation and extended maintenance intervals.
5. Louvers can be fully closed, facilitating winter insulation as well as rain and dust protection.

Structure and materials:

1. Blades: Extra-thick galvanized steel plate with anti-corrosion surface treatment.
2. Louvers: Galvanized or powder-coated louver blades, equipped with swinging drop-weight / sealing strips.
3. Pulley: Aluminum-alloy pulley system with wear-resistant bearings.
4. Bearings: Integrated automotive-grade durable bearings.
5. Motor: Full-copper winding motor (high-temperature resistant, high efficiency).
6. Housing: Galvanized steel frame or reinforced steel plate structure with anti-corrosion sealing treatment.

Optional selections and accessories:

1. Insect screen / filters (coarse filter or activated carbon box optional to enhance deodorization).
2. VFD / speed controller (to adjust airflow for energy-efficient operation).
3. Rain hood and external protective cover (for outdoor installations).
4. Acoustic silencer box (for low-noise requirements).
5. Customizable sizes (e.g., 900 mm, 1000 mm, etc.) and airflow ratings.

Suitable applications for the deodorization galvanized negative pressure fan:

1. Negative-pressure ventilation and deodorization systems for pig farms, chicken farms, sheep farms, and other livestock operations.
2. Large-airflow ventilation for greenhouses, factory workshops, barns, feed warehouses, etc.
3. Integration with evaporative pad / spray systems for total airflow circulation and exhaust control.

Common models and technical specifications:

1. Model: Galvanized negative pressure fan (900 mm).
2. Blade material: Extra-thick galvanized steel plate.
3. Installation: Wall-mount / inset.
4. Motor: Full-copper winding (single-phase / three-phase optional).
5. Accessories: Swinging drop-weight, 1.8 m cable / hanging accessories (customizable).