4-72 centrifugal fan can be used as indoor ventilator in general
factories and large buildings, it deliver air and other gas which
is harmless, non-spontaneous and non-corrosive, it is harmless to
body and it has no steel non-corrosive gases. B4-72 type
ventilation fan can be used for ventilation of the flammable
volatile gas. Viscous material is not allowed in the gas, the dust
and hard particles contained can not be more than 150 mg/m3. Gas
temperature shall not exceed 80℃. In order to facilitate users to install and use the fan, we adopt
the latest design for 2.8A-6A fan which use the overall frame
structure, that means blower and motor are connected into whole.
We can design and manufacture 4-72 series with vibration reduction
stage posture fan for the user.