4-72 Centrifugal Ventilator can be used as indoor ventilation for general factories and large buildings, conveying air and other unnatural, harmless and non-corrosive gases to steel. B4-72-type fan can transport flammable and volatile gases, but the temperature shall not exceed 80 ℃№ 2.8 ~ 6 When the factory are made into a type, the use of units according to the requirements of re-installed into the desired location, ordering without specifying, № 2.8 outlet position adjustment range 0 ° ~ 225 °, the interval is 45 °. № 3.2 ~ 6 outlet position adjustment range 0 ° ~ 225 °, the interval is 22.5 °. № 8 ~ 12 outlet position adjustment range 0 ° ~ 225 °, the interval is 45 °. № 16, 20 outlet position made of fixed three 0 °, 90 °, 180 °, can’t be adjusted, must be specified when ordering. 4-72 Centrifugal Ventilator can be used as indoor ventilation for general factories and large buildings, conveying air and other unnatural, harmless and non-corrosive gases to steel. B4-72-type fan can transport flammable and volatile gases, but the temperature shall not exceed 80 ℃<span lang="EN-USHelvetica",sans-serif;background:white;" mso-ansi-language:en-us'="">.
