ARR

Application

• Type ARR roll down grilles as supply air or extract air variant for comfort zones and industrial zones
• Suitable also for entrance areas and other high traffic areas
• Directed supply air discharge for mixed flow ventilation
• For variable and constant volume flows
• For supply air to room air temperature differences from –12 to +4 K
• For floor installation
• For covering trenches for heating, underfloor induction units, decentralised ventilation units or light wells and as overflow grating surrounding swimming pools

Special characteristics

• Fixed blades
• High-quality design
• Good impact sound insulation, quiet to walk on and non slip
• High thermal, chemical and mechanical resistance, tested to DIN

Nominal sizes

• Cut sections, L: 150 – 3000 mm, in 1 mm increments
• R: 1 roll of 10 m; for ARR-20, width 400 and 450 comes in 2 rolls of 5 m each
• B: 150, 200, 250, 300, 350, 400, 450 mm

Variants

• 15: Grille height 15 mm
• 20: Grille height 20 mm

Parts and characteristics

• Transverse blades with rounded upper edges
• Connecting strip, covering the cut edges of each blade, with integral distance pieces
• Rubber underside ensures optimum sound impact insulation and non slip characteristic
• Special tool for cutting to length
• Stabilising strip from B = 300 mm

Construction features

• Rigid fitting of the blades on the connecting strip
• Blades rest on the connecting strip (no frame), 8 mm wide support area
• Easy handling
• Quiet and safe to walk on
• Individual blades can be replaced

Materials and surfaces

• Blades made of aluminium
• Connecting strip made of plastic, UL 94, V-0, flame retardant
• Rubber underside
• Anodised blades, E6-C-0, natural colour

Standards and guidelines

• Sound power level of the air-regenerated noise measured according to EN ISO 5135

Maintenance

• Maintenance-free as construction and materials are not subject to wear
• Inspection and cleaning to VDI 6022