Sand Trap Louvre - EGAT Group

1 sand Trap Lourvefor Building FacadesTypes WSL and AWSL3 / / B / 175- 70060approx. 30 DescriptionThe sand trap Louvre is used as pro-filter for the protection of air condi-tioning plants in areas exposed to extreme levels of industrial has a high degree of separation of sand and large dust particles, evenin cases of high dust concentrations. The vertically arranged sectionsand holes for sand drainage ensure the sand trap Louvre is self-cleaningand maintenance-free. The sand trap Louvre is designed to separatelarge particles at low air velocities, thus avoiding excessive dust loadingof conventional filters. It is not intended as a substitute for conventionalsupply air filtration combinations for B and H dimensions can be supplied.

2 For sizes largerthan indicated in the table several sections car, be combined to provideany combination of overall width or trap louvres with H -1950 to 3900 are split on height and suppliedwith additional sad chute (see detail 2), loose for fitting on site by additional support for reinforcement and assembly of the sand traplouvre combination is to be supplied on site by others. sand trap louvreswith B=1950 to 3900 am also split and supplied with a loose channelsection to cap the vertical joint, channel to be fitted on site by normal operation conditions the sand trap louvres should be rated fora face velocity of approx. I/s (8750) m3/hSelection ExampleVolume flowWith Mace velocity of m/s areaof Louvre requiredDimensions selected- Assembly width- Assembly heightPressure dropapprox.

3 M21800 mm1350 mmapprox. 30 PaSingle Section Sizes150 300 450 600 750 900 10501) 12001) 13501) 15001) 16501) 18001) 19501)Order Code1 off sand trap Louvre inmill finish aluminiumConstruction with bird screen2):Assembly dimensions B = 1800 mm and H = 1350 mmF 290 type AWSLF 290 type AWSL-WS2)Galvanised wire bird screen. 12 x 12 x 1 mm1)With transom and sand chuteConstruction7645HH - 10H + 100BB - 102550100 sand drain holesB + 100 Vertical sectionHorizontal section B = 150 .. 1950 mmHorizontal section B = 150 .. 1950 mmSupplied as separate sections -assembly by others on siteDetail 1H = 1050 .. 1950 mmSandchute5050150 Additional support forreinforcement by othersDetail 2H = 1950.

4 3900 mmPerformance DateThe filtration performance is dependent on the dust typeand the velocity of the air:Practical Size Filtration Efficiency in %Range at m/s at m/s350 - 700 90 70 WeightNett weight without packingapprox. 18 kg per m2 of area (B x H)Pressure DropData for inlet application with rear duct or plenum Drop in PaFace velocity in m/s(based on B x H area)2 Height H in mm:Height H in mm:150 300 450 600 750 900 1050 1200 1350 1500 1650 1800 1950