Roots Blower
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Heavy-Duty Three-Lobe Roots Blower for Continuous Airflow
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What Is a Three-Blade Roots Blower?
A Three-Blade Roots Blower, also known as a 3-lobe Roots blower, is a type of positive displacement blower widely used in industries that require clean, oil-free, and stable airflow. Compared to the traditional two-lobe design, the three-blade rotor structure reduces airflow pulsation, lowers noise levels, and improves energy efficiency.
Our three-blade Roots blowers are designed for demanding environments such as wastewater treatment plants, cement plants, pneumatic conveying systems, aquaculture, and chemical processing. They offer high reliability, low maintenance, and long-lasting performance under continuous operation.
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Key Features of Our Three-Lobe Roots Blower
· High Efficiency Air Delivery: Continuous, steady airflow with minimal pressure fluctuation
· Low Noise Design: Reduced pulsation and vibration thanks to three-lobe rotor structure
· Oil-Free Operation: 100% clean and dry air output—perfect for sensitive applications
· Durable Construction: Precision-machined rotors and cast iron housing for long service life
· Easy Maintenance: Simple structure, less wear, and user-friendly parts replacement
· Wide Pressure Range: Available from 9.8 kPa to 98 kPa
· Flexible Mounting: Horizontal and vertical designs available based on installation needs
Technical Specifications
| Item | Description |
| Type | Positive displacement Roots blower |
| Rotor | Three-lobe design |
| Air Flow Range | 0.5 – 150 m³/min |
| Pressure | 9.8 – 98 kPa |
| Vacuum | Up to -50 kPa (optional vacuum model) |
| Lubrication | Oil bath for timing gears |
| Drive Type | Belt-driven or direct-coupled |
| Motor Power | 0.75 – 250 kW |
(Custom sizes and special materials available upon request)
Applications of Three-Blade Roots Blower
Our three-blade Roots blowers are widely used in multiple industries, including:
• Wastewater Treatment Aeration Blower
• Cement Pneumatic Conveying System
• Plastic Pellet Conveying Roots Blower
• Fish Pond Aeration Blower (Aquaculture Use)
• Chemical & Biogas Transportation
• Desulfurization & Denitrification Systems
• Industrial Vacuum Systems (Roots Vacuum Pump)
Each application benefits from the smooth, oil-free, and energy-efficient air supply of the 3-lobe blower.
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Why Choose Us?
As a professional Roots blower manufacturer in China, we offer:
· Global export experience (Asia, Middle East, Africa, Europe)
· OEM & Customization support
· Fast delivery with strict QC inspection
· One-year warranty and lifetime technical support
We also provide soundproof enclosures, intelligent control systems, and magnetic suspension blower alternatives for energy-saving upgrades.