400mm AC Backward-curved Centrifugal Fan

400mm AC Backward-curved Centrifugal Fans powered AC backward-curved centrifugal fan series covers a diameter range from φ133 to φ560 mm, with maximum air volume up to 8,500 m3/h and maximum static pressure up to 650 Pa. This external rotor fan series has a compact structure, operates reliably and is both energy saving and efficient. 400mm AC Backward-curved Centrifugal Fans is designed with low noise, a long service life, and is easy to install. After years of independent research and development, we now have available high performance, and low noise level, one-piece injected plastic impellers, with a diameter range from φ133 to φ250 mm.

Ningbo Hairong Machinery, founded in 2007, is one of the leading manufacturer of fans and motor covering HVAC area. We specialized in developing and manufacturing refrigeration motors, condensate removal water pumps, external rotor motor powered axial fans, muffin fans, backward curved centrifugal fans, forward curved centrifugal fans, duct fans, blowers and 400mm AC Backward-curved Centrifugal Fans. The products are widely used in the refrigeration, ventilation, fresh air, purification, air conditioning, power electronics, and IT industries.

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Ningbo Hairong is ISO9001 Quality Management System and ISO14001 Environmental Management System certified, 400mm AC Backward-curved Centrifugal Fans are CCC, CE approved and most of them are UL approved, as well as RoHS standards complaint.

Pre-sale Services

1)Detailed introduction of 400mm AC Backward-curved Centrifugal Fans

2)Factory Tour

3)Sample offering

4)FAQ clarification

5)Online/in-person meeting

In-sale Services

1)Quality&efficient manner

2)Booking container/Coordinating FF

3)Order status reporting & details confirming

4)Documents discussion

5)Photo taking

After-sales service

1) Pre-Installation services

2) User training

3) Warranty services of 400mm AC Backward-curved Centrifugal Fans

4) Online support

5) Return/Replacement

6)Perfect documentation

7) Upgrades