Screw Air Blower Series
WindForce Series — high-efficiency rotary screw blowers engineered for wastewater treatment biological aeration, pneumatic conveying, desulfurization, and high-volume low-pressure industrial processes.
AirSpace WindForce screw air blower, delivering energy-efficient high-volume airflow at low working pressures.
Access complete spec sheets, sizing tables and energy-efficiency documentation.
Direct Answer
Unlike traditional Roots blowers that operate with high mechanical slip and fixed displacement, a rotary screw air blower utilizes sophisticated rotor profiles to achieve internal compression, drastically lowering energy consumption at pressures up to 1.0 bar (100 kPa). AirSpace Machinery engineers the WindForce series for wastewater aeration plants, pneumatic transport systems, and large-scale industrial aeration.
Why Choose WindForce Screw Blowers over Roots Blowers?
- Higher energy efficiency — internal compression design reduces power consumption by up to 20–30% compared to conventional Roots blowers.
- Lower noise and vibration — precision screw air ends eliminate pulsation and reduce acoustic output.
- Continuous 24/7 reliability — robust industrial construction with a 50°C high-ambient rating.
- PMV / VSD variable speed control — matches air output precisely to biological oxygen demand (BOD) or conveying load.
- Oil-free air delivery — clean air stream preventing contamination in biological aeration and sensitive conveying processes.
Technical Planning Range — WindForce Screw Blower Series
| Model Range | Power (HP / kW) | Discharge Pressure | Airflow Volume | Primary Application |
|---|---|---|---|---|
| WF-BL-30 | 30 HP / 22 kW | 0.3–1.0 bar | 10–25 m³/min | Wastewater aeration / Conveying |
| WF-BL-50 | 50 HP / 37 kW | 0.3–1.0 bar | 20–45 m³/min | Municipal wastewater / Industrial |
| WF-BL-75 | 75 HP / 55 kW | 0.3–1.0 bar | 40–70 m³/min | Large aeration basins / Transport |
| WF-BL-100 | 100 HP / 75 kW | 0.3–1.0 bar | 65–100 m³/min | Industrial pneumatic transport |
| WF-BL-150+ | 150+ HP / 110+ kW | 0.3–1.0 bar | 95–160+ m³/min | Large-scale process aeration |
Airflow volume should be evaluated at standard intake conditions under consistent test standards. Final dimensions, weight, voltage, frequency, and configuration to be confirmed via RFQ.
Target Applications
- Municipal and industrial wastewater treatment plant biological aeration
- Pneumatic conveying of powder, grain, and granular materials
- Flue gas desulfurization (FGD) and oxidation air supply
- Fermentation air supply in biotechnology and food processing
- Fluidized bed combustion and industrial drying
- Aquaculture and fish farming oxygenation
FAQ for Procurement Engineers
How does a screw blower save energy compared to a Roots blower?
Roots blowers use external compression which causes backflow and high energy loss. Screw blowers use internal compression via engineered screw rotors, significantly reducing specific energy consumption and operating costs.
What pressure range does the WindForce series operate within?
The WindForce series is engineered for low-pressure applications typically between 0.3 bar and 1.0 bar (30–100 kPa), ideal for aeration and conveying.
What is the delivery lead time?
Factory-direct delivery is typically planned within 7–35 days, depending on configuration, testing, documentation, and production scheduling.
Where can I download technical specifications?
Full technical data sheets are available in our Downloads Center.
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