W450 water repellent ventilation grille

The W450 water-repellent ventilation grille delivers the best performance on waterproofing, combined with a very high airflow.

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Water repellent ventilation grille W452

Water-repellent ventilation grille W452, medium-weight design, with V-blades, blade spacing 66, optical free cross-section 70%, physical free cross-section 41%. Applications where high stability, anti-adhesion properties and outstanding weather resistance are important selection criteria, e.g. high-voltage cabins.

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Water repellent ventilation grille W452V

Water-repellent ventilation grille W452V, medium-weight design with vertical V-blades, blade spacing 66 mm, optical free cross-section 70 %, physical free cross-section 41 %, applications where high stability, non-stick properties and outstanding weather resistance are important selection criteria, e.g. high-voltage cabins

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Water repellent ventilation grille w475

Ventilation grille type 475 is a grille for wall installation with special water-repellent blades (class A up to 0 m/s according to EN13030:2011)

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Water repellent ventilation grille W491

Water-repellent ventilation grille with storm and snow protection, blade spacing 33, optical free cross-section 57%, physical free cross-section 26%, Made of aluminum profiles: AlMgSi 0.5 (according to EN 12020-2), insect screen made of 304 stainless steel, good weather resistance combined with low air permeability, applications in strong wind, (coastal areas).

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Water repellent ventilation grille downloads

The following PDF files are available for download for the water-repellent ventilation grilles shown here:

Water repellent ventilation grilles

  • W450 [150 KB]  rotec water repellent aluminum ventilation grille, High-proof, physical free cross section: 57%.
  • W452 [161 KB]  rotec water-repellent ventilation grille, medium-weight version, Physical free cross-section 41 %.
  • W452V [121 KB]  rotec water-repellent ventilation grille, V-blade, medium-weight design, Physical free cross-section 41 %.
  • W491 [161 KB]  rotec water repellent safety ventilation grille, physical free cross section 26%.

Delivery note for water repellent ventilation grilles

rotec Berlin manufactures water-repellent and rainproof ventilation grilles in special sizes from Renson lamellas 450, 452, 452V and 491. rotec delivers on working days, ventilation grilles and lamella walls made of aluminum to the greater Munich, Stuttgart, Cologne, Leipzig, Hamburg, Frankfurt, Dortmund, Saarbrücken, Essen and Düsseldorf. rotec delivers twice a week water-repellent and rainproof roof hoods to Switzerland, Austria, Luxembourg and Poland. On request we offer worldwide measuring and installation service.

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rotec ventilation grille team Berlin