Specification: 4-bladed aluminium sheet metal impeller, sizes from 350 to 650 mm, available in both air flow directions, 3 different blade angles, 60 Hz and UL types, air volume (freeblowing) from 2,000 to 13,000 m³/h, explosion-proof fans also available. FB sizes 200-350mm: 5-bladed sheet metal impeller, sizes from 200 to 350 mm, available in both air flow directions, 50/60 Hz, UL and CCC types, air volume (freeblowing) from 700 to 2.800 m³/h,
Attributes and special features: Universal fan for installation in equipment with short bell mouth, high flexibility by variation of blade angle and speed of motor, 100% speed controllable. From 350 mm size also available in explosion-proof design.
