Round ventilation grille W411R

W411R round aluminum ventilation grilles with horizontal fixed extruded ALU weather protection blades and stainless steel fly screen. Grille with stop for wall installation, blade spacing 33 mm, optical free cross-section 59%, physical free cross-section 40.5%.

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Round ventilation grille W412R

Circular ventilation grille W12R with aluminum V-blades and stainless steel fly gauze. Grille with stop for wall installation, blade spacing 33 mm, optical free cross-section 59%, physical free cross-section 40.5%, maximum diameter 1400 mm if anodized in E6/EV1, 1500 mm if RAL powder coated, above 1500 mm: 2-piece, ventilation grille with high water tightness.

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Round ventilation grille W421R

Round ventilation grille medium-heavy version with puncture-proof V-blades. Made of aluminum profiles AlMgSi 0,5 (according to EN 12020-2) and stainless steel insect screen, blade spacing 50 mm, silver color (E6/EV1), bronze color (E6/C34) (20 micron) anodized or powder coated according to RAL color shades. Optical free cross-section 70%, physical free cross-section 47%.

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Round ventilation grille W431R

Round aluminum ventilation grille for wall mounting, without stop,for screwing onto the facade, with stainless steel insect screen. Blade spacing 33.3mm, minimum diameter 300mm, optical free cross-section 59%, physical free cross-section 40.5%.

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Round ventilation grille W414R

Round ventilation grille W414R for frame installation, with horizontal fixed extruded ALU weather protection blades natural anodized, with stainless steel fly screen. Blade spacing 33.3mm, optical free cross-section 59%, physical free cross-section 40.5%.

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Round ventilation grille W415R

Ventilation grille W415R, round grille for frame installation with V-blades, with puncture-proof horizontal V-blades made of aluminum (AL Mg Si 0.5), blade spacing 20mm, with clamping frame 24mm, for installation in glazing rebate or P/R construction, frame welded on one side only, natural color anodized / coated in RAL ...., with stainless steel insect screen on the back. Optical free cross-section 93%, physical free cross-section 39%.

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Round floor grille - ventilation grille

The type VM011 is a round floor grille, which is particularly suitable to let cooled air flow draught-free and quietly in the floor area. This floor grille can be used in conjunction with a dirt trap with integrated narrow adjustment directly in a pressure floor. A horizontal or vertical swirl effect is produced by an adjustable swirl element behind the front panel. The round floor grille is also suitable for room exhaust air.

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Round ventilation grille CB400

Circular grille type CB400 with fixed profile blades, is suitable for the supply and exhaust of cooled or heated air in bathrooms, toilets, kitchens, restaurants, etc.. The ventilation grille is directly connected on a round pipe or mounted with screws on the wall.

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Downloads round ventilation grilles

The following PDF files are available for download for the round ventilation grilles shown here:

Round ventilation grilles

  • W411R [108 KB]  Round aluminum ventilation grilles with horizontal blades, physical free cross section 40.5%.
  • W412R [117 KB]  Round aluminum ventilation grille with V-lamellas, physical free cross-section 40.5%.
  • W421R [122 KB]  Round ventilation grille medium heavy duty with V blades,physical free cross section 47%.
  • W431R [97 KB]  Round aluminum ventilation grille for wall mounting, without stop, for screwing on, physical free cross-section 40.5%.
  • W414R [96 KB]  Circular ventilation grille for frame installation, with horizontal weather louvers, physical free cross-section 40.5%.
  • W415R [108 KB]  Ventilation grille round grille for frame installation with V-blades, physical free cross-section 39%.
  • VM011 [139 KB]  Round floor grille, suitable to let cooled air flow without drafts and with low noise in the floor area