PVC / Plastic Steel Negative Pressure Fans Effective Exhaust Ventilation
Applications and Installation Guide
Negative pressure fans are a versatile and cost-effective solution for ventilation, cooling, and air exchange in a variety of industrial and commercial settings. Specifically, PVC or plastic steel negative pressure fans offer a durable and weather-resistant option for demanding environments. This guide outlines their primary applications and provides essential installation precautions to ensure optimal performance and longevity.
Applications of PVC/Plastic Steel Negative Pressure Fans:
Effective Exhaust Ventilation: These fans are commonly installed on the exterior walls or windows of workshops and factories, strategically positioned at downwind locations. Their primary function is to extract stale air, odors, fumes, and other airborne contaminants, creating a healthier and more comfortable working environment. This is particularly crucial in industries such as chemical processing, manufacturing, and food production, where air quality is paramount. By creating negative pressure within the building, fresh air is drawn in through designated inlets, ensuring continuous air circulation and pollutant removal.
Synergistic Cooling with Evaporative Cooling Pads: In hot and humid climates, negative pressure fans are often integrated with evaporative cooling pads (also known as wet curtains) to provide significant temperature reduction. The fan draws air through the moistened cooling pads, causing water to evaporate and cool the incoming air. This cooled air is then circulated throughout the workspace, effectively lowering the ambient temperature by as much as 10-15°C (approximately 18-27°F). This system offers an energy-efficient and environmentally friendly alternative to traditional air conditioning, particularly in large, open spaces. The combination of negative pressure ventilation and evaporative cooling creates a comfortable and productive working environment, even during the hottest summer months.
Versatile Applications Across Diverse Industries: The adaptability of PVC/plastic steel negative pressure fans makes them suitable for a wide range of industries, including:
Manufacturing: Heat treatment plants, foundries, plastic processing facilities, aluminum profile factories, shoe factories, leather factories, electroplating plants, printing and dyeing plants, and various chemical plants all benefit from the effective ventilation and air purification provided by these fans.
Labor-Intensive Industries: Garment factories, assembly workshops, and even internet cafes can utilize negative pressure fans to improve air quality and create a more comfortable environment for workers.
Agriculture: Horticultural greenhouses and livestock farms rely on negative pressure fans for ventilation, temperature control, and odor management, promoting healthy plant growth and animal welfare.
Textile Industry: Cotton mills, wool mills, linen mills, weaving mills, chemical fiber mills, warp knitting mills, elastic mills, knitting mills, silk mills, and sock mills all require precise temperature and humidity control, which can be achieved using negative pressure fans in conjunction with evaporative cooling pads.
Warehousing and Logistics: Maintaining proper ventilation in warehouses and logistics centers is essential for preventing the buildup of moisture and odors, protecting stored goods, and ensuring the health and safety of workers.
Enhanced Air Circulation Compared to Traditional Exhaust Fans: Unlike conventional exhaust fans, which often have limited reach and effectiveness, negative pressure fans are designed to create a comprehensive air circulation pattern throughout the entire workspace. By strategically positioning multiple fans, a consistent and uniform airflow can be achieved, ensuring that all areas of the building are adequately ventilated. This is particularly beneficial in large, open-plan workshops where localized ventilation is insufficient. A typical 1000 square meter workshop might require four strategically placed negative pressure fans to achieve optimal air circulation and pollutant removal.
Technical parameter
| Feature |
Specification |
Unit |
| Fan Diameter |
1270 |
mm |
| Fan Blade Rotation Speed |
400 |
r/m (RPM) |
| Airflow |
41000 |
m³/h |
| Noise Level |
60 |
dB |
| Rated Voltage |
380 |
V |
| Power |
1.1 |
kW |
| Dimensions |
1380 x 1380 x 400 |
mm |
| Weight |
85 |
kg |
