BELT DRIVE TUBEAXIAL FANS รณ MOUNT VERTICAL OR HORIZONTAL PERMANENTLY LUBRICATED BALL BEARINGS MAX INLET AIR TEMP 200F MAX AMBIENT 104F PRECISION BALANCED SPARK RESISTANT ALUMINUM BLADES BELT GUARDS AMCA TYPE B SPARK RESISTANT PROPELLERS 99 0401 86 OPTIONAL COMPANION FLANGES ARE SOLD IN PAIRSSTREAMLINED BELT TUNNEL VENTILATES THE DRIVE COMPARTMENT WITH AIR FROM OUTSIDE THE FAN STEEL HOUSING IS IRON PHOSPHATE PROCESSED FOR RUST PROTECTION BAKED ENAMEL PAINT FINISH FACTORY INSTALLED CAST IRON