... and each cabin, as well as other suitable place land chemical industry and metallurgy.This series fans with Explosion-proof motors ... .5. Strong resistance against swing, vibration and impact.Centrifugal fan,Ventilation fan,Centrifugal ventilator,Ventilating fan,Exhaust fan,Air blower,Centrifugal blower,Wind blower,Marine fan,Marine blower,Marine ...