... Explosion-proof,safe and reliable in operation,small size,light weight,and low noise,well anticorrosive. centrifugal fan ... 1,General CWL Series marine small-sized centrifugal fans can carry ordinary air, ... small induction motor, they can used on place of 380V/220V or 440V,50/60Hz.2,FeaturesSmall size, light weight ... welded4,Model explanation CWL series small size Marine centrifugal fan