• Nominal sizes1, 2, 3, 4, 5, 6, 7, 8
• Volume flow rate range20 – 650 l/s or 72 – 2340 m³/h

• weight50 % less

Type FLEXTRO flexible plenum boxes for the connection of circular and square diffuser faces to circular ducts, suitable for supply air or extract air applications in comfort and industrial zones, Damper blade for volume flow rate balancing, can be set in 15° intervals between 0 and 90°, Equalising element that ensures the best possible airflow through the diffuser face (supply air), Metal angled support rod, with interlock, to erect the plenum box

• Nominal sizes225 × 75 – 1225 × 525 mm
• Nominal length:225, 325, 425, 525, 625, 825

• Nominal lengths600 to 1500 mm

Diffuser face made from extruded aluminium sections, Air control elements made of plastic, UL 94, V-0, flame retardant, Plenum box made of galvanised sheet steel, Diffuser face without extended border is powder-coated RAL 9005, jet black, Diffuser face with extended border is anodised, E6-C-0, natural colour

• MaterialPlastic

Type KS grilles suitable for supply and extract use.The grille has an injection moulded border with holes for site fixing with suitable screws.Type KS-A with horizontal face blades which are individually adjustable.

The DS rectangular cased attenuator design offers, as standard, many advanced features including aerodynamic splitters and side liners, slide-on flanges and erosion protected acoustic infill covered by galvanized perforated sheet metal. Casing conforms to DW 142 Class B ductwork code.

• Nominal sizes1, 2, 3, 4, 5, 6, 7, 8
• Volume flow rate range20 – 650 l/s or 72 – 2340 m³/h

• weight50 % less

Type FLEXTRO flexible plenum boxes for the connection of circular and square diffuser faces to circular ducts, suitable for supply air or extract air applications in comfort and industrial zones, Damper blade for volume flow rate balancing, can be set in 15° intervals between 0 and 90°, Equalising element that ensures the best possible airflow through the diffuser face (supply air), Metal angled support rod, with interlock, to erect the plenum box

• Nominal sizes225 × 75 – 1225 × 525 mm
• Nominal length:225, 325, 425, 525, 625, 825

• Nominal lengths600 to 1500 mm

Diffuser face made from extruded aluminium sections, Air control elements made of plastic, UL 94, V-0, flame retardant, Plenum box made of galvanised sheet steel, Diffuser face without extended border is powder-coated RAL 9005, jet black, Diffuser face with extended border is anodised, E6-C-0, natural colour

• MaterialPlastic

Type KS grilles suitable for supply and extract use.The grille has an injection moulded border with holes for site fixing with suitable screws.Type KS-A with horizontal face blades which are individually adjustable.

The DS rectangular cased attenuator design offers, as standard, many advanced features including aerodynamic splitters and side liners, slide-on flanges and erosion protected acoustic infill covered by galvanized perforated sheet metal. Casing conforms to DW 142 Class B ductwork code.