AC CROSS FLOW FAN AC 30F Series

●Impeller Diameter: ∅30mm

●Bearing Type

Sleeve or Ball Bearings

●Material

Impeller : Aluminum Alloy

Frame : Cast Iron

●Moter

Impedance Protected

●Lead Wire:

UL type or Equivalent

●Srorage Temperature:

to -40 C°+80 C° (5%-90%RH)

●Operating Temperature:

to -10 C°+70 C° (5%-90%RH)

●Life Expectance

30000hours (Sleeve Bearing)

80000hours (Ball Bearing)

1. The cross flow fan uses a relatively long cylindrical fan impeller to work. The diameter of this cylindrical fan blade is relatively large. Because of the large diameter, it can use a relatively low speed on the basis of ensuring the overall air circulation, thus reducing the noise caused by high-speed operation.

2. The impeller of the fan has been dynamically balanced: just as the wheels of the car need to be dynamically balanced, the wind wheel of the cross flow fan also needs to do this work. In short, it is to maintain the balance of the wind wheel in the running state, reduce noise, and extend the life of the fan. Dynamic balancing is a time-consuming job. In fact, the result may be adding counterweights to a part of the wind turbine. However, the service life of the cross flow fan is directly affected by the position and size of the fan.

3. The fan blades of the fan are calculated carefully, so that the distance between the fan blades is intentionally disordered, presenting a "unequal distance" condition: this is also very simple, that is, efforts are made to make the audio generated by the rotating wind wheel and the air "irregular", become "a piece of wind sound", rather than the wind sound on a certain frequency band in the set. There are two kinds of noise: narrowband noise and broadband noise. Regular narrowband noise tends to attract people's attention and annoy them; The broadband noise is close to the noise situation in nature. Although it cannot be eliminated, it is relatively "durable", which makes people less upset.

4. Fan blade manufacturing materials: The fan impeller in the fan is very long. If such a barrel shaped fan blade is made of inferior materials, it can save a lot of costs. However, it will be deformed soon after turning. The whole fan blade is no longer in a straight line, but droops in the middle. You can imagine how noisy such a drooping fan blade is when it is turned, and it will drive the entire fan curtain to vibrate!

5. Motor: the wind turbine is operated by the motor. If the motor is poor in quality, it cannot operate normally or the starting is weak

Cross-flow fans are used in a wide range of applications, including air purifiers, air curtains, wine coolers, fireplaces, freezers, solariums, subways, harvesters and other equipment.

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