Centrifugal Blower Fan

Industrial air blowers are electromechanical devices designed to move large volumes of air or gas for various industrial applications like ventilation, cooling, drying, combustion, and material conveying. They generally create higher pressure than typical fans. Here's a short specification overview: Key Characteristics: Blower Type: Centrifugal Blowers: Most common type, using a rotating impeller to accelerate air radially outwards, converting kinetic energy into pressure. Good for high static pressure and efficient air transfer in ducted systems. Positive Displacement Blowers (e.g., Roots Blowers, Rotary Screw Blowers): Trap a fixed volume of air and force it through, providing a constant airflow regardless of pressure changes. Ideal for applications requiring steady pressure and continuous flow (e.g., pneumatic conveying, wastewater aeration). Axial Blowers: Move air parallel to the fan's axis. Deliver high airflow rates at lower pressures, suitable for general ventilation and cooling. Regenerative Blowers (Side Channel Blowers): Utilize a rotating impeller within a channel to create a vortex, generating higher pressure than axial fans but typically lower than positive displacement blowers. Known for quiet operation and suitability for vacuum applications. Power Source: Primarily electric (single or three-phase), but can also be manual or generator-powered. Motor Rating/Power: Typically ranges from 0.5 HP to 500 HP or more, depending on the application's demand. Airflow Capacity: Measured in Cubic Feet per Minute (CFM) or Cubic Meters per Hour (m 3 /hr), indicating the volume of air the blower can move. Ranges from hundreds to hundreds of thousands of CFM. Pressure: Measured in mm WG (millimeters Water Gauge) or bar, indicating the force the blower can exert to move air through resistance (ducts, filters). Can be low, medium, or high pressure. Fan Speed/RPM: Revolutions Per Minute of the impeller, affecting airflow and pressure performance. Varies widely (e.g., 500 RPM to 3000 RPM or higher). Material: Commonly constructed from Mild Steel (MS), Cast Iron, Stainless Steel (SS), or FRP (Fiber Reinforced Plastic) for corrosion resistance, especially in harsh environments. Voltage & Frequency: Typically 220V/230V/415V/380V and 50/60 Hz, depending on regional electrical standards. Drive Type: Direct Drive: Impeller is directly mounted on the motor shaft. Belt Driven: Uses belts and pulleys to transmit power from the motor to the impeller, allowing for flexibility in speed adjustment. Noise Level: Measured in dB (decibels), an important consideration for workplace environments. Application: Wide range, including HVAC, dust collection, fume extraction, drying, cooling, combustion air supply, pneumatic conveying, wastewater treatment, and more. Optional Features/Considerations: Automation Grade: Manual or Automatic operation. Temperature Range: Ability to handle hot or cold air/gas. Corrosion/Heat Resistance: Specific material choices (e.g., stainless steel, specially coated materials) for demanding environments. Durability and Maintenance: Designed for robust and reliable operation with minimal maintenance. Energy Efficiency: Modern blowers often incorporate features like variable speed drives (VSD) to optimize energy consumption. Customization: Available in various sizes, configurations, and with application-specific features.