Fans series with backward curved blades - ex. 2.
Versions:
Standard: PE moulded housing - PP moulded impeller - epoxy painted carpenteria - stainless steel screws
ATEX 
: PE-el antistatic moulded housing - PP moulded impeller - epoxy painted carpenteria - stainless steel screws
Upon request available variants for both versions as list. 
Arrangements
Motor connection diagram
Rated data
Rotation fan's table
Resistance chemical agent
