Welcome to LONGWELL’s cutting-edge EC backward-curved centrifugal fan – the 310 Series, featuring model LWBE3G310-102NS-29. As a global professional provider of air power solutions, our centrifugal fans are renowned for their outstanding performance, high static efficiency, and minimal noise emission.
Key Features & Benefits
High-Performance Impeller: Aerodynamically optimized and made from PA66+ Glass fiber reinforced material for superior air power. GreenTech EC Motor: Offers high efficiency, economical operation, extended service life, and safe, ultra-low noise operation. Water-Proof Design: End cap is fully encapsulated with internal sealing, effectively preventing liquid spray (Protection Class: IP55, also available in IP54/IP44). Intelligent Control: Supports 0-10V/PWM (duty cycle) or RS485 network communication for precise and infinite speed control. Comprehensive Motor Protection: Includes Tech-Output, Soft Start, Locked-Rotor Protection, Over-Heating Protection, and Over-Loading Protection.
Performance Highlights (at 2300 RPM)
Air Volume: Up to 2936 cubic meters per hour Static Air Pressure: 700 Pascal Noise Level: Only 76 decibels
Technical Specifications
- Diameter: 310mm
- Supply Voltage: 115/230V, 50/60Hz (also available in 400V)
- Motor Type: BLEC Motor (External Rotor Fan)
- Input Power: 175-1100W
- Speed Range: 1500-3000RPM
- Static Air Pressure Range: 608-1730 Pa
- Insulation Class: F
- Operating Temperature: -25°C ~ +60°C
- Bearing Type: Ball Bearing
- Impeller Material: PP Plastic
- Housing Material: Aluminum alloy / Galvanized sheet
Versatile Applications
- HVAC systems (Air Handling Units – AHU, Heat Recovery Ventilators – HRV, Energy Recovery Ventilators – ERV)
- Air Purifiers & Fresh Air Purification Systems
- Data Centers for ventilation and heat dissipation
- Industrial Manufacturing
- Commercial Buildings
- Medical Equipment
- Refrigerated Cabinets
- Rail Transit
- Heating Technology
- Home Appliances
- Machinery & Systems
- Equipment Cooling Systems
- Fan Filter Units (FFU)
Our high-efficiency, low-energy-consumption EC/DC/AC centrifugal fans are widely used in a variety of industries and applications, including:
Fans are tested to AMCA 210/211 methods (third-party reports on request); CE (LVD/EMC), RoHS, REACH and ErP compliance; ETL/UL on selected models; ISO 9001/14001/45001 certified factory.