Frame and blades: made from high quality extruded aluminum profiles 1.2 mm thick.
Drain: 20 mm dia self-drain holes at the bottom of the louver.
Wire mesh (option): made from aluminum or galvanized iron with 1mm & 1.5mm thickness. Other materials and thickness are available as option
The frame and blades are of high quality extruded aluminum profiles. Its 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.
Sand trap can be supplied with a removable volume control damper which ensures positive control over the fresh air stream.
Sand trap can be supplied with a removable aluminum filter