8-09 Centrifugal fans are specially produced for cupola furnace. It meets the blowing performance demand of cupola furnace whose melting rate is 1-7L/h.It is also used to blow for all kinds of furnaces and smithery furnace. It can also be used to convey non-corrosive, unnatural and non-adhesive gas. The medium should be less than 80 deg C and there should be dust or hard granulated matters no more than 150mg/m³.