Cntrifugal Fan Impeller Backward Curved Fan

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Product Details

Backward centrifugal fan introduction

The backward centrifugal fan consists of two parts, the overload heat protection outer rotor motor and the high efficiency backward inclined arc centrifugal impeller. All of the impeller are mold production, high speed calibration by precision dynamic balancing machine, with the advantages of small volume, high efficiency, large volume, small vibration, low noise, excellent performance, has the advantages of convenient installation and debugging etc. It is the most ideal accessory product for air conditioning, purification and refrigeration industry. Widely used in hotels, restaurants, schools, factories and other places and civil, industrial buildings ventilation. It is suitable for noise control of environment and air conditioning system. Such as with the industrial refrigeration system, kitchen fan, fire fan, communication equipment radiator, small condensing unit, air purifier, air filter, roof fan, fan, cooling unit, air conditioning unit module, smallpox machine and other ancillary equipment.


1.material: high performance AC motor outer rotor, galvanized steel impeller, maintenance free ball deep groove ball bearings, electrostatic powder spray rotor.

2.technical characteristics: 11 blades wind turbine, IP54 or IP44 protection level, B class or F class insulation level, S1 continuous operation mode, can be installed arbitrarily, built-in overload thermal protection, the United States UL and European CE product certification.

3.product features: with long service life, free maintenance, high efficiency, low power consumption, high economic, compact design, save space, beautiful, low voltage start and so on.

4. application: suitable for air conditioning system and strict requirements of environmental noise, such as air and industrial refrigeration system, system, kitchen fan, fire fan, communication equipment radiator, small condensing unit, air purifier, air filter, roof fan, industrial equipment, heat, cooling unit, modular units, the use of air conditioning smallpox machine and other ancillary equipment.

Our service

Provide the technical design and solutions;

Technical service for assembling;

Designing and manufacturing of non-standard equipment;

All after-sale request will be responded in 24 hours;

Close follow-up of all orders by special person and keep customers informed timely.


1. Q:Is your price competitive?

A: Only good quality machine we supply. Surely we will give you best factory price based on superior product and service.

2. Q:What is the delivery time of your machine?

A:In general, the delivery time of our machine is about 20 days, customized machine will be delivered as the negotiation with our clients.

3. Q:Can the machine be customized as our need, such as put on our logo?

A:Surely our machine can be customized as your need, Put on your logo is also available. 

4. Q:What is your minimum order quantity, can you send me samples?

A:Our minimum order quantity is 1 set, that means sample order is acceptable, warmly welcome you to come visit our company. 

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After over 20 years' development, JN Fan is now one of the leading cntrifugal fan impeller backward curved fan manufacturers and suppliers in China. If you want to wholesale the quality ventilation equipment made in China, welcome to contact our factory for the products.