X-GRILLE Cover

Application

• Ventilation grille of Type X-GRILLE Cover as supply air or extract air variant for comfort zones and industrial zones
• Attractive design element for building owners and architects with demanding aesthetic requirements
• Two-colour look blends in nicely with the interior of reception or executive rooms
• Directed supply air discharge for mixed flow ventilation
• Blades are adjustable to meet different local requirements
• For variable and constant volume flows
• For supply air to room air temperature differences from – 12 to +4 K
• For installation in walls, sills and rectangular ducts

Special characteristics

• Symmetric blade profile for two-way entry flow
• Concealed blade linkage for adjusting the blades simultaneously
• Countersunk screw holes, covered by cover plates, allow for screw fixing
• Easily exchangeable cover plates allow for a lively twocolour look
• Linear look, ideal for continuous horizontal runs

Nominal sizes

Single grille

• Nominal length: 225, 325, 425, 525, 625, 825, 1025, 1225 mm
• Nominal height: 125, 225, 325, 425, 525 mm

Horizontal run section

• Nominal length of end section: 950 – 2025 mm
• Nominal length of middle section: 2000 mm
• Nominal height: 125, 225, 325 mm

Other dimensions upon request

Variants

• Single grille
• Horizontal run section

Fixing

Countersunk holes, concealed by cover plate

• VS: Concealed screw fixing
• KF: Spring clip fixing
• VS, KF only with installation subframe

Parts and characteristics

• Front border with horizontal clip-fixed cover plates
• Horizontal blades with concealed linkage to adjust blades simultaneously
• Horizontal centre mullion with clip-fixed cover blade from nominal height 225 mm
• Vertical centre mullion for nominal lengths over 625 mm
• Concealed screw fixing and spring clip fixing, optional

Attachments

AG, AS, D, DG: For volume flow rate balancing and for air direction control

Accessories

• Installation subframe: For the fast and simple installation of ventilation grilles

Construction features

• Only small gap between blades and front border
• Symmetrically mounted blades
• Countersunk fixing holes, concealed by diffuser face

Material and surfaces

• Front border, diffuser faces and blades made of aluminium
• Linkage and end pieces of the blades made of special high-temperature resistant plastic, according to UL 94, V-0, flame-retardant
• Front border and blades powder-coated RAL 9005, jet black
• Diffuser faces powder-coated RAL 9006, white aluminium
• P1: front border and blades powder-coated, RAL CLASSIC colour
• P2: diffuser faces powder-coated, RAL CLASSIC colour

Standards and guidelines

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

Maintenance

• Low maintenance as construction and materials are not subject to wear and tear
• Inspection and cleaning according to VDI 6022