EC Fans Backward Centrifugal Fans Φ250 Custom
EC Fans Backward Centrifugal Fans Φ250 Custom
EC Fans Backward Centrifugal Fans Φ250 Custom
EC Fans Backward Centrifugal Fans Φ250 Custom

Item specifics

Blades Material
Aluminum Casting Rotor and Aluminum Alloy Impeller
Control mode
0 -10V/PWM
Protection Class
Insulation Class



centrifugal fan
EC92-B250            Backward Centrifugal Fans

Product description:

EC external rotor motor powered 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.  Plastic and aluminum blades are available for customers to choose. This external rotor fan series has a compact structure, operates reliably and is both energy saving and efficient. It is designed with low noise, a long service life, and is easy to install. 

Performance Parameters
Centrifugal Fan
Model selection
Rated voltage V
Working Voltage V
  Power W
dB (A)
Company Advantage
centrifugal fan
Q:   What Is our company product ?
A :   AC &EC &DC axial fan, centrifugal fan, shaded pole mothor.
Q:   How to order?
A :   Please send us your purchase order by Email or Fax, or you can ask us to send you Proforma Invoice for your order. We need to know the following information for your order:
1) Product information: Quantity, Specification ( voltage, input power, speed, airflow, working point, working temperature ), Artwork or Sample will be the best.
2) Delivery time required.
3) Shipping information: Company name, Address, Phone number, Destination seaport/airport.
4) Forwarder’s contact details if there is any in China.
Q:   How long and how to get sample from us ?
A :    1) If you need some sample to text, we can make as per your request, please provide us PDF or Al for Making. You should pay forthe transportation freight of samplesand sample cost (cost from USD30 to USD200, depend on the product), while the sample cost can be refundable if order is confirmed and QTY goes up to 500pcs.
2) Lead time for making sample:  about 7 days 
3) The transportation freight of samples: the freight depends on the weight and packing size and your area.
Q:   What advantages we have?
A :   Rich experience: We have more than 10 years experience in this industry. That means, we can preview the problems for the orders and products. Therefore, it will make sure to reduce the risk of bad situation to happen.
Point to point service: There is one sale who will serve you from inquiry to products shipped out.During the process, you just need to discuss with her for all problems and the way saves much time
Free design: If you are not ready for the designs, the professional designers will be able to help you with it freely.
Strict QC: For each order, strict inspection will be carried out by the QC department before shipping. The bad quality will be avoid within door.
Shipping: We have shipping department and forwarder, so we can promise faster delivery and make the goods well protected.