Model 4-72 Centrifugal Ventilator may be used for
the indoor ventilation in ordinary factory or in large-scale building.B4-72
Conveys air or other gas which may not self-ignite,do no harm to
human body or is not corrosive to the steels.Model B4-72Centrifugal
Ventilator may be used for the ven tilation of gas which is flammable
and volatile.No glutinous matter is allowed in the gas.The dust
or grain matter is no more than 150mg/m3.The gas temperature is
no more than 80℃.
The performance, spare parts and installation size of Model B4-72
blower are the same as Model 4-72,and may be selected according
to its sample book.This blower structure is principally the same
as Model 4-72 .The motor should select YB series corresponding to
the Y series in the chart.Model F4-72 blower adopts stainless steel
for conveying corrosive gas,and its perfor mance and installation
are the same as Model 4-72.
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4-72、B4-72、F4-72 Centrifugal Ventilator
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