English 
+86-13730919470 / +86 13953218345
vera_yang@sinopowersd.cn
vera_yang@sinopowersd.cn
28F, Zhaoyin Mansion, 36 Hong-kong Middle Road, Qingdao, Shandong Province, China 266071
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3L43WC, L51LD
Product Description
3L Series Roots Blower is a typical three-lobe positive displacement rotary blower, widely used for industrial air supply, gas boosting, aeration and pneumatic conveying systems. It features stable air flow, low pulsation, low noise and reliable performance for long-term continuous operation.
This series provides clean oil‑free air delivery and strong adaptability to various working conditions. It is widely applied in wastewater treatment, aquaculture, dust removal, chemical and power plant auxiliary systems.
Key Features
Three-lobe rotor design, uniform air supply, low vibration and low noise
Oil-free air output, clean and pollution-free for environmental applications
High volumetric efficiency, stable pressure, wide working range
Compact structure, small footprint, easy installation and maintenance
Durable wearing parts, long service life, low operating cost
Suitable for 24-hour continuous operation
Technical Parameters (Data Sheet)
| Model | Flow (m³/min) | Pressure (kPa) | Speed (r/min) | Motor Power (kW) |
|---|---|---|---|---|
| 3L43WC | 3.0–15.0 | 9.8–49.0 | 800–2000 | 2.2–15 |
| 3L51LD | 5.0–25.0 | 9.8–58.8 | 700–1800 | 4.0–22 |
| 3L62WC | 10.0–40.0 | 9.8–58.8 | 600–1600 | 7.5–37 |
| 3L75WD | 20.0–60.0 | 9.8–68.6 | 500–1400 | 15–55 |
| 3L100WD | 30.0–100.0 | 9.8–78.4 | 400–1200 | 30–90 |
Main Applications
Wastewater treatment plant aeration
Aquaculture oxygenation
Pneumatic conveying for powder and granular materials
Industrial process air supply
Flue gas desulfurization and denitrification systems
Chemical, environmental protection and power plant auxiliary air supply
Why Choose Our 3L Roots Blower
Mature three-lobe design, stable and reliable
Complete model range to meet different flow and pressure demands
High efficiency and energy-saving, lower long-term cost
Standardized parts, interchangeable and easy to maintain
Customizable for special working conditions (anti-corrosion, high pressure)
How about the material of the fan? Let's take an example as following:
If you have any different comment on the above material, welcome to let us know.
How to install or replace? Is there enough space for that?
Let's check mount dimension as following:
