Roots Blower
01
Directly connected Roots blower
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What Is a Directly Connected Roots Blower?
A Directly Connected Roots Blower is a high-efficiency positive displacement blower with a direct coupling between motor and blower shaft, eliminating belts and pulleys. This design reduces mechanical loss, improves alignment, and extends the service life of the equipment.
It is commonly used in industries requiring clean, dry, and stable air output under continuous operation, including:
• Pneumatic conveying
• Wastewater aeration
• Cement and lime industry
• Biogas and chemical transportation
• Aquaculture aeration
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Key Features of Our Three-Lobe Roots Blower
· Direct Coupling – No Belt Loss: With the motor directly connected to the blower via a coupling, energy transmission is more efficient, reducing power consumption by up to 5–10% compared to belt-driven models.
· Compact Design: A smaller footprint makes this blower ideal for tight installation spaces in industrial plants, containerized systems, or prefabricated stations.
· Lower Vibration, Less Noise: The direct connection reduces mechanical vibration and contributes to a quieter working environment, especially when used with a silencer or soundproof housing.
· Low Maintenance: No belts to adjust or replace—saving time and cost on routine maintenance. Just regular checks of oil levels and coupling alignment are enough.
· Reliable & Durable: Our directly driven Roots blowers are manufactured with precision-machined rotors, robust cast iron housings, and oil-lubricated timing gears, ensuring long-term durability.
Technical Specifications
| Item | Details |
| Drive Type | Direct coupling |
| Flow Rate | 0.6 – 120 m³/min |
| Pressure Range | 9.8 – 98 kPa |
| Power | 1.1 – 185 kW |
| Structure | Three-lobe rotor, horizontal layout |
| Application | Air delivery, material transport, vacuum operation (optional) |
We also provide customized designs for special environments (e.g. high temperature, anti-corrosion, explosion-proof).
Typical Applications
• Wastewater Treatment Plants: Stable air supply for aerobic tank aeration
• Pneumatic Conveying Systems:
Clean and consistent airflow for powder and grain transport
• Chemical Industry:
Pressure or vacuum delivery of biogas and special gases
• Aquaculture Farms:
24/7 oxygen supply for fish ponds and shrimp tanks
• Cement, Lime, and Fly Ash Conveying
Each unit can be equipped with an intelligent control panel, pressure/vacuum sensors, and VFD compatibility for flow adjustment.
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Why Choose Our Factory?
• Over 15 years of blower manufacturing experience
• Global shipment and export to 30+ countries
• OEM & ODM services available
• Fast delivery with CE / ISO certifications
• Fast delivery with CE / ISO certifications
We offer a full product range including: Roots blowers, suspended blowers, rotary feeders, air knife systems, and blower accessories.