Motor direct-linked fan, in line with the mechanical committee and ATEX standards. Fan for the model 6#7#8#9# "diameter 600mm to 900mm" between, there are a variety of blade profiles to choose from. Any standard motor configuration (landing type motor or flange motor) is provided. The blade angle can be adjusted during downtime. Steel casing, hot dip galvanized or painted. The standard entrance is a flange and can be supplied with elliptical, circular or conical entrances as required. Designed for high efficiency and reliability. This type of fan is particularly suitable for air coolers, process coolers, ventilation, radiators, industrial applications, berthing applications, tunnels and metro ventilation.