Centrifugal fans can be manufactured as: radial bladed, forward-curved and backward-curved. Single â?? inlet and double â?? inlet Centrifugal fan drive system is classified as: direct drive with coupling, belt drive. Type:centrifugal fan Mounting:free standing Model number:edv01 Air volume:100m3/h-700000m3/h Place of origion:izmir Speed:3000/1450/960/730rpm Blade material:carbon/stainless steel Voltage:220v/380v/440v/480v/660v Certification:ce, iso9001:2008