Roof extract fans play a vital role in maintaining optimal indoor air quality by expelling stale or contaminated air from enclosed spaces. Installed on building rooftops, these fans serve as an essential component of HVAC and ventilation systems across a wide range of applications.
Purpose of Roof Extract Fans
Roof extract fans are engineered to:
- Remove excess heat, humidity, fumes, smoke, and airborne particles from indoor spaces.
- Improve air circulation and ensure the consistent inflow of fresh air.
- Support energy efficiency by reducing the load on air conditioning systems.
- Comply with environmental and occupational safety standards by maintaining acceptable indoor air quality.
Wolter Roof Extract Fan Series
RF-AVX, RF-BXV Series
These are Direct Driven Roof Axial Flow Fans featuring aerofoil and adjustable pitch blades. Designed for high-capacity ventilation, they offer:
- Standard Diameters: 315 mm to 1400 mm
- Maximum Airflow Rate: Up to 70,000 m³/hr
- Total Pressure Increase: Up to 10 mm-wg
- Ideal For: Large warehouses, industrial sheds, and commercial buildings requiring continuous air exchange.
RVH Series
These Roof Fans are uniquely designed with the motor located out of the airstream, incorporating direct-driven backward-curved blades for high static pressure applications. Features include:
- Standard Diameters: 355 mm to 900 mm
- Maximum Airflow Rate: Up to 35,000 m³/hr
- Total Pressure Increase: Up to 1,200 mm-wg
- Ideal For: Applications where clean airflow over the motor is critical or where higher static pressure is required, such as laboratories, manufacturing plants, and processing units.
Key Advantages of Wolter Roof Extract Fans
High Airflow Capacity
Engineered to handle large volumes of air, suitable for high-demand ventilation scenarios.
Flexible Design Options
Multiple configurations are available to suit different pressure and airflow requirements, including adjustable pitch blades and motor positioning.
Durability and Corrosion Resistance
Constructed using high-quality materials to ensure longevity and resistance to environmental stress, even in harsh outdoor conditions.
Efficient Operation
Optimized blade design enables energy-efficient performance, reducing operational costs.
Low Maintenance Requirements
Designed for easy installation and minimal maintenance, improving system uptime and reducing service costs.
Applications
- Industrial Facilities
- Commercial Kitchens
- Warehouses and Storage Units
- Workshops and Garages
- Laboratories and Clean Rooms
Wolter Roof Extract Fans provide reliable and efficient solutions for air exhaust in a variety of building types. Whether the application demands high airflow with low static pressure or high-pressure ventilation in restricted spaces, Wolter offers a suitable fan configuration to meet the need. These fans are vital for maintaining a safe, comfortable, and well-ventilated environment in commercial and industrial settings.