General centrifugal fan is suitable for various forced air occasions. The conveyed gas is normal temperature, non-corrosive, non-spontaneous, harmless to human body, the gas does not contain viscous substances, and the dust content is less than 150mg/m3. When selecting, it should be noted that the fan pressure should not be too much larger than the actual demand pressure, otherwise there will be an overcurrent situation.For specific selection, please check here Model Instruction, or contact us for detail.