External weather louvresMade from polymers and anodised aluminium

RAG WSG Rectangular external louvres Generally as the WSG louvres.Dimensions to fit the Helios rectangular fan range and therefore can be fitted to rectangular ducting. Rain repellent grille RAG Square external louvres WSG To cover intake and extractopenings in walls, made from polymers. Square or rectangular models;to cover intake or extract openings in walls or panels. Attractive corrosion and weatherresistant finish to prevent rainand snow from entering the system. Preventing rain, snow, verminetc. entering the ducting.Suitable for square, rectangularand circular ducts. Frame and louvres made fromimpact resistant and UV stablelight-grey polymer. Mesh guardmade from galvanised steel andcoated with polymer. Designedto avoid unwanted access tothe system. Mesh size 8 mm. Solid construction made fromaluminium extrusion profile,natural colour anodised. Installation: Flush mounted intowalls or panels. Fixed louvres with pitch of 65 mm with a galvanised steelwire mash behind.Mesh size: 16 mm. Simple installation, fixing withscrews and masonary plugs included.With adapter F.. (accessory seeproduct page 252) also suitablefor circular ducting.

Type Ref.Fitts up to fanDimensions in mmWeight Type Ref. No.Fits nominal Dimensions in mm Weightfan size duct size mm No.nominal size mmBCDEkg b Bkg RAG 200 0750180/200240281931670.35 WSG 200 0117180/200 2001952710.8 RAG 250 0751225/250290282432170.45 WSG 250 0118225/250 2502453211.0 RAG 315 0752280/315340282932670.60 WSG 315 0119280/315 3153103861.5 RAG 355 0753355390283433170.75 WSG 355 0120355 355 3504262.0 RAG 400 0754400440283933671.00 WSG 400 0121400 4003954712.5 RAG 450 0755450490304434171.35 WSG 450 0122450 4504455213.0 RAG 500 0756500540304934671.60 WSG 500 0123500 5004955713.5 WSG 630 0124600/630 6306257014.0 WSG 710 0125710 7107057814.5 Type Ref. No.Fits nominal ductDimensions in mmWeightsize mmbBhHkg WSG 300/150 0108300 x 1502963701462200.9 WSG 400/200 0109400 x 2003964701962701.2 WSG 500/250 0110500 x 2504965702463201.9 WSG 500/300 0111500 x 3004965702963702.0 WSG 600/300 0112600 x 3005966702963702.2 WSG 600/350 0113600 x 3505966703464202.4 WSG 700/400 0114700 x 4006967703964702.9 WSG 800/500 0115800 x 5007968704965704.0 WSG 1000/500 01161000 x 50099610704965705.0
Pressure drop RAG Pressure drop WSG ∆ pPa velocity m/s ∆ pPa velocity m/s

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