Backward Inclined Airflow Centrifugal Fan

backward inclined airflow centrifugal fan

• EC 250mm backward centrifugal fan

• Maximum airflow: 901 CFM

• Maximum static pressure Maximum static pressure: 2.45 inAQ

• Material:

  Impeller fan blade: Glass fiber-reinforced polypropylene

• Motor shell: Diameter 92mm in diameter, Steel, electro deposited black

• Direction of rotation: CW view toward rotor, clockwise from the air inlet

• Number of blades: 7

• Degree of protection Waterproof and dustproof grade: IP65

• Mode of operating mode of operation: Continuous operation S1 continuous operation S1

• Insulation classInsulation level: B

• Installation position installation direction: Any any

     Widely used in communication equipment, power chassis, industrial computer and other fields.

Q1.The cost of the sample and the production time of the sample.

A1.You can contact us to discuss the detail about the price of sample."

Which certificate do you have?

A: CE, ROHS ,UL,TUV,ISO 14001,ISO9001, etc.

Q3.What kinds of products supplied by your factory?

A3:we provide DC cooling fan,DC blower fan,AC cooling fan and EC cooling fan.Also we provide the SPD as well.

Q4: What can I do if we can not find the suitable fan model in the fan list?

A: Please contact us for customized fans.

Q5:How to solve the equipment trouble during using ?
A: Please email us about problem with pictures or a small video will be better,we will find the problem and solve it. If broken, we will send you a new free part if in the warranty period.

Our product range is complete, excellent quality and top performance

Our products have undergone various tests and have passed through TUV, CE, RoHS, UL and other relating authoritative certification.

AMR enjoys strong technical and quality advantages in the industry.

Efficient communication with customers, better understanding and quick response to customer needs.

The name, ‘Centrifugal Fan’ is derived from the direction of flow and how the air exits the fan impeller radially from the outer circumference of the fan. A Backward curved centrifugal fan is characterised by its cylindrical shape, several large curved blades and a conical inlet nozzle. In the example shown below, the fan rotates in a clockwise direction.

As the fan rotates a pressure difference is created on the impeller blades. On the leading, convex side of the impeller blade, a positive pressure is created as the rotational motion of the impeller imparts a force in the air. The impeller blade pushes the air outwards, exiting in a radial direction. On the concave side of the impeller blade, a negative pressure is created as the fan rotates, drawing air into the space between the blades. This air is then picked up by the following blade and forced outwards radially in a continuous process. The suction side of the impeller blade draws air from the centre of the fan which results in a directional change of the airflow between the inlet and the exhaust of 90o.

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