RZR rotavent, double inlet with patented impeller geometry and tapered trailing airfoil blades are the leading edge for standard fans for ventilation and air conditioning units.
Lap jointed scroll of galvanized sheet steel with V-Cut off (RZR 11; 12; 14; 15; 18).
Scroll casing stitch welded and coated, with V-cut off (RZR 13; 19).
Centrifugal impeller with 11 backward inclined steel blades, welded and coated (0200/-0280).
High performance impeller with 12 hollow section true airfoil blades (0315/-1600).