Backward Curved Centrifugal Design – The backward curved plastic impeller delivers high static pressure with relatively low noise, making it ideal for applications requiring airflow against system resistance.
The Lobisong LBBE3G190‑072NS‑12 is a high-performance EC centrifugal blower designed as a high static pressure fan. This industrial ventilation fan adopts a premium backward curved impeller, serving as a durable IP55 HVAC fan for industrial equipment ventilation and heat dissipation. Powered by a 230V 104W EC motor, it delivers 851m³/h airflow and 798Pa max static pressure at 4230RPM. The backward curved impeller ensures stable airflow and low noise. This EC centrifugal blower supports 0‑10VDC and PWM speed control. With IP55 protection, Class F insulation and maintenance-free bearings, this high static pressure fan features multi-protection functions, enabling stable operation from -25°C to +60°C.
High-density industrial equipment requires a reliable industrial ventilation fan to resist system resistance. This EC centrifugal blower uses an optimized backward curved impeller to convert energy efficiently. As a professional high static pressure fan and IP55 HVAC fan, it features axial air intake and radial air discharge with minimal turbulence. Compared with ordinary fans, its backward curved impeller design ensures stable output and lower noise.
Running at 104W and 4230RPM, this compact EC centrifugal blower provides powerful cooling performance. The oxidation-resistant backward curved impeller extends service life. The adjustable speed system of this high static pressure fan allows flexible airflow tuning. This IP55 HVAC fan balances energy efficiency and stable performance, reducing overall operating costs for industrial ventilation scenarios.
In short, this industrial ventilation fan is a compact and powerful EC centrifugal blower. The excellent backward curved impeller structure delivers high static pressure. As a versatile IP55 HVAC fan, it fits various industrial and HVAC systems with stable and energy-saving operation.
The high-strength backward curved impeller of this EC centrifugal blower generates high static pressure with low noise. This high static pressure fan works stably under high-resistance conditions, ideal for industrial ventilation fan and HVAC filtration systems.
Dual 0‑10VDC and PWM speed control enables precise adjustment of this EC centrifugal blower. The flexible tuning optimizes airflow, power and noise for this high static pressure fan, improving energy efficiency for industrial ventilation fan applications.
This IP55 HVAC fan adopts fully sealed protection, blocking dust and splash water. The EC centrifugal blower maintains stable operation in harsh environments, perfect for outdoor and industrial ventilation fan usage.
Built-in multiple protection functions prevent motor damage. This high static pressure fan and EC centrifugal blower avoids downtime caused by voltage fluctuation or wiring errors, ensuring safe industrial ventilation fan operation.
Supporting -25°C to +60°C operation and dual mounting modes, this IP55 HVAC fan adapts to diverse layouts. The versatile EC centrifugal blower and high static pressure fan meets all standard industrial ventilation fan installation demands.
| Parameter | Technical Specification Value |
| Model Series | Lobisong LBBE3G190‑072NS‑12 (EC centrifugal blower, high static pressure fan, industrial ventilation fan, IP55 HVAC fan with backward curved impeller) |
| Fan Type | EC Backward‑Curved Centrifugal Fan |
| Impeller Material | Plastic |
| Impeller Diameter | 190 mm |
| Type of Voltage | EC |
| Nominal Voltage | 230 VAC |
| Power Input | 104 W |
| Nominal Speed | 4230 RPM |
| Maximum Static Pressure | 798 Pa |
| Maximum Airflow | 851 m³/h |
| Control Signal | 0‑10VDC / PWM |
| Bearing Assembly | Maintenance‑Free Ball Bearings |
| Protections | Stall Protection, Reverse‑Polarity & Over‑Voltage Protection, Soft‑Start |
| Ingress Protection Rating | IP55 |
| Insulation Class | Class F |
| Mode of Operation | S1 (Continuous Duty) |
| Mounting Position | Horizontal or Vertical |
| Direction of Rotation | Clockwise, seen on rotor |
| Operating Temperature Range | ‑25°C to +60°C |
A: This EC centrifugal blower reaches 851m³/h airflow and 798Pa static pressure, ranking as a premium high static pressure fan with excellent backward curved impeller performance.
A: Yes, this industrial ventilation fan supports 0‑10VDC and PWM speed regulation, flexible for the IP55 HVAC fan’s various working conditions.
A: This EC centrifugal blower supports horizontal and vertical installation, bringing high flexibility for high static pressure fan layout.
A: The IP55 HVAC fan operates steadily from -25°C to +60°C, ideal for long-term industrial ventilation fan operation.
Backward Curved Centrifugal Design – The backward curved plastic impeller delivers high static pressure with relatively low noise, making it ideal for applications requiring airflow against system resistance.
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