Used Blowers
Blowers generate controlled airflow and low-pressure air movement for material conveying, aeration, drying, and ventilation processes across manufacturing industries. These machines operate at higher pressures than fans but lower than compressors, filling a critical gap in pneumatic systems.
Federal Equipment Company stocks centrifugal blowers, rotary lobe (positive displacement) blowers, and regenerative blowers ranging from fractional horsepower units to 200 HP systems. Inventory includes equipment from leading manufacturers in carbon steel and specialty configurations for process and utility applications.
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Blowers are rotating machines that move air or gas at moderate pressures, typically between 0.5 and 15 PSI. Unlike fans that move large volumes at low pressure or compressors that generate high pressure, blowers occupy the middle ground essential for pneumatic conveying, aeration, and process air supply.
Centrifugal blowers use an impeller to accelerate air radially outward, converting velocity into pressure. These units handle clean-air applications and offer compact footprints in direct- or belt-drive configurations. Rotary lobe blowers trap air between two rotating lobes and the housing, delivering consistent displacement regardless of discharge pressure. This positive-displacement design makes them well-suited for applications requiring steady airflow against variable back-pressure.
Key components include the impeller or rotor assembly, inlet and outlet connections, drive motor, and housing. Centrifugal units feature scroll-shaped housings that convert kinetic energy to pressure. Rotary lobe designs incorporate timing gears that synchronize the lobes without contact, reducing wear and enabling oil-free operation in many models.
Federal Equipment Company carries blowers from leading manufacturers, including Kaeser Compressors, New York Blower, Roots, Sutorbilt, Cincinnati Fan, and Hartzell. Current inventory includes centrifugal blowers, rotary lobe blowers, positive displacement blowers, and pressure blowers from 0.75 HP to 200 HP. Inspection, refurbishment, and testing services are available to verify equipment condition before shipment.
Applications and Industries
- Pneumatic conveying of powders, granules, and bulk solids in pharmaceutical and food processing operations
- Aeration for wastewater treatment, fermentation, and biological processes in biotechnology facilities
- Combustion air supply for burners, furnaces, and thermal oxidizers
- Drying and cooling air supply in packaging and coating lines
- Fume and dust collection exhaust systems in chemical manufacturing
- Fluidization air for fluid bed dryers and reactors in solid dosage production
- Vacuum generation using regenerative blower technology
Specifications and Configurations
- Capacity range: 0.75 HP to 200 HP
- Airflow: 100 CFM to 3,500+ CFM, depending on type and size
- Pressure range: Up to 15 PSI for positive displacement units
- Materials of construction: Carbon steel housings, aluminum impellers, stainless steel available for corrosive or sanitary applications
- Drive options: Direct-drive, belt-drive, or gear-driven configurations
- Electrical: 230/460 volt three-phase standard; 575 volt and other voltages available
- Types: Centrifugal, rotary lobe, positive displacement, regenerative, and pressure blowers
Why Buy Used Blowers
Used blowers offer significant cost advantages over new equipment, with savings typically ranging from 40% to 60% depending on condition and configuration. Lead times for used equipment are measured in days rather than the weeks or months often required for new blower procurement.
Federal Equipment Company can provide inspection, refurbishment, and testing services based on your requirements. Services may include bearing replacement, seal reconditioning, motor evaluation, and performance verification to confirm equipment meets your specifications before delivery.
