Frame and blades: 1.5 mm and 1.2 mm thick high quality extruded aluminium profiles.
Bird screen: 12 mm x 12 mm x 1.5 mm dia aluminium wire mesh as standard. 12 mm x 12 mm x 1 mm dia G.I wire mesh as optional.
Drain: 20 mm dia self drain holes at the bottom of the louver.
Damper: Galvanized steel sheet construction.
Damper blades: High quality extruded aluminium profiles.
Manufactured from high quality extruded aluminium profiles with the advantages of corrosion resistance and rigidity.
Composed two sets of inverted U - channels mounted vertically on two opposite rows.
Drain holes of diameter 20 mm are provided in two rows at the bottom of the louver for emptying filtered sand and dust.
Fixed with a removable volume control damper to ensure positive control over the fresh air stream.
Damper can be operated manually from the back of the louver or can be motor operated.
Designed to separate and and dust from the air stream.
Generally used for ventilation applications and at inlet duct of air handling unit.