Due to the different uses and models of centrifugal fans, we cannot simply rely on price to compare and choose, but to compare in many aspects according to different use environments and application industries, so as to select the most suitable fan.
According to the different pressure levels, centrifugal fans are divided into three types: high pressure, medium pressure and low pressure. The high-pressure wind pressure is greater than 3000Pa, the medium-pressure wind pressure is between 1000Pa and 3000Pa, and the low-pressure wind pressure is less than 1000Pa, which can be respectively applied to industries with different pressure requirements. At the same time, fans with different pressures have different power consumption, and the horizontal and vertical directions should be considered when selecting.
The safety factor of the fan is also an important reference index. Under normal circumstances, through the calculation of the air output, wind pressure and some errors and losses of the fan, the safety factor of the air volume of 1.05-1.1 and the wind pressure of 1.1-1.15 is generally selected. If the safety factor is too large, the fan will run in the low-efficiency area for a long time, resulting in waste of energy and increased energy consumption; if the safety factor is too small, it will increase the safety hazard in the use of the fan, which will easily cause production accidents and harm others. .
The size and weight of the fan must also be taken into account. Due to different uses, the location where the fan is installed is also different. It needs to be selected according to the actual use situation. When the size is the same, a fan with high efficiency and light weight is selected; when the efficiency is the same, a fan with a small size and light weight is selected. At the same time, the adjustable range is The bigger the fan, the better.
Under normal circumstances, the fan is not a one-time investment, and will be used in the production and processing process for a long time after purchase. Therefore, you can't just focus on the current price and quality, but also consider the long-term economic operation effect. The reputation of the brand and the maintenance costs in the later period should also be taken into account. It is necessary to choose the most suitable centrifugal fan through comprehensive comparison. the most important.