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 |
