Roof fans are used to remove air from workshops, storerooms, department stores etc. The used air that is removed may be contaminated with vapours, corroding gases and dusts within the limits allowed by regulations concerning environment protection.
PRODUCT DESCRIPTION
Series of types of roof fans includes 5 sizes.
The fans consist of:
- highly efficient centrifugal rotor made of steel
- electric motor
- support panel, body and cover are made of polyester-glass laminate
The fans are fitted for mounting on the roof bases with possibility of application the acoustic dampers under fans.
WORKING CONDITIONS
The fans are offered with the following motors:
- WD-16: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
- WD-20: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
- WD-25: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
- WD-31,5: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
- WD-40: single gear, three-phase motors ~700 or 900 rpm and single-phase 700 or 900 rpm.
The acceptable temperature of the removed air is 50oC.