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  • NUSSUN EC Aluminium Alloy 400mm Backward Centrifugal Fan Three-phase 1~230vac IP54 Air Cleaner/air Purifier
  • NUSSUN EC Aluminium Alloy 400mm Backward Centrifugal Fan Three-phase 1~230vac IP54 Air Cleaner/air Purifier
  • NUSSUN EC Aluminium Alloy 400mm Backward Centrifugal Fan Three-phase 1~230vac IP54 Air Cleaner/air Purifier
  • NUSSUN EC Aluminium Alloy 400mm Backward Centrifugal Fan Three-phase 1~230vac IP54 Air Cleaner/air Purifier
NUSSUN EC Aluminium Alloy 400mm Backward Centrifugal Fan Three-phase 1~230vac IP54 Air Cleaner/air Purifier


EC Backward Curved Centrifugal Fans

•  Model: R3G400H091FV23

•  Type: Φ400mm×91mm

•  Max Airflow: 2035CFM, 3460CMH





E-mail: linda@nussun.com  sales@nussun.com

Nussun centrifugal fans, Less noise, higher performance


Nussun centrifugal fans are available with forward and backward-curved blades. The quiet-running centrifugal fans with forward-curved blades are also supplied with a scroll housing. The centrifugal fans with backward-curved blades are designed as freewheel fans and do not require a scroll housing. In the case of centrifugal fans with external rotor motors, the motor is positioned in the impeller, ensuring not just optimum cooling of the motor, but also a particularly compact design. The entire range is available with both AC and EC technology. In addition to being particularly energy-saving, the integrated electronics also make it possible to implement any control, monitoring and maintenance functions – for both the smart home and Industry.


The advantages of centrifugal fans from Nussun:

• AC, EC and DC centrifugal fans with forward-curved blades

• EC centrifugal fans with backward-curved blades

• EC system solution in scroll housing

• EC medium-pressure fans

• Compact design thanks to external rotor motor technology

• Comprehensive product ranges for every application

• High efficiency through the use of EC technology

• Quiet operation thanks to optimized flow control and sophisticated EC motor commutation

• Start-up made easy by perfectly coordinated components: Control system/motor/fan

• Extensive accessories



 Tip 1: If you need different speed, voltage or other product function, please contact us.

 Tip 2: The product details and product approval book prevail . Specifications subject to change without notice.


HVAC ventilation duct fans professional manufacturer, NUSSUN

ventilation fans and accessories for HVAC system for residential and commercial use factory

ventilator duct fans factory manufacturerduct fans, HVAC equipments, ventilaiton fans factory over 12 years NUSSUNpowerful and quiet ventilaiton duct fans for home and commercial placesCE, UL, ETL, RoHS, CCC certificationduct fans and HVAC system products professional manufacturer

HVAC equipment for building ventilation system, air system, bathroom ventilation, air conditioning, kitchen ventilation, farms ventilation, dats center cooling, bathroom ventilation

Linda Xu  
Export Manager (+86-15019502576)
Nussun Mechanical & Electrical Technology Co.,Ltd
Add:No.108 Zhaoyi Road, XiaolanTown,
Zhongshan City,Guangdong,P.R of China              
Tel: +86-760-22552955    Fax: +86-760-22551655
E-mail: 
linda@nussun.com  sales@nussun.com
Web: www.nussun.net    nussun.en.alibaba.com
WhatsApp:Lindaxu (+86-15019502576)            
Skype: nussunlindaxu  QQ:364060760