WB900
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Catalog excerpts

SAND TRAP LOUVRE GB900 • IB900 • WB900 Installation dimensions Horizontal section Application Vertical section The sand trap louvre, type -B900, is an external louvre used in dry, dusty or sandy environments. Especially designed to remove the bulk of airborne sand and dust from inlet air whilst maintaining reasonable air flow rate characteristics by means of a special double U-blade design. Sand and dust are evacuated from the base of the louvre by a special sand collection/disersion cill, keeping maintenance to a mini-mum. The sand trap louvres can be used as natural ventilators or to alleviate the load on the main filtration stages of air conditioning equipment. Technical information Characteristics Specifications subject to change © 1-2011 • self-cleaning due to the free sand outlet • sea-waterproof (IB and WB) • available with steps of 50 mm in length and of 1 mm in height min L x H = 150 x 150 mm max L x H = 2300 x 2300 mm

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GRRDR INTERNATIONAL Construction • construction in aluminium: - U-profile - thickness 1,5 mm - mounting frame - thickness 2 mm - not anodised • construction in galvanised steel: thickness 1,5 mm • RAL colour upon request • stainless steel construction-thickness 1,2 mm Specifications description Example: Low maintenance aluminium sand trap louvre with a double U-profile and a sand outlet at the base of the louvre. The louvre is equipped with a bird-screen in galvanised steel wirenetting (12,5 x 12,5 x 0 0,8 mm). Made out of aluminium sheet. Type: WB901 Accessories • Birdscreen: -...

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