Displacement Diffusers Type ‘QLV’
POLYGON CASING, 90° OR 180° AIR DISCHARGE, FOR COMFORT AND INDUSTRIAL ZONES
Polygon displacement flow diffusers
- Spigot diameter 160 – 630 mm, nominal height 500 – 1750 mm
- Volume flow rate range 17 – 915 l/s or 62 – 3295 m³/h
- Perforated plate, square pitch
- Circular duct connection
- Duct connection at the top or bottom
- Integral airflow straightener and conical equalising element
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Product Information
Optional equipment and accessories
- Wall mount
- Damper blade for volume flow rate balancing
- Exposed surface in RAL CLASSIC colours
- QLV-90: 90° air discharge
- QLV-180: 180° air discharge
- QLV-…-O: Spigot at the top
- QLV-…-U: Spigot at the bottom
- Polygon casing
- Equalising element and airflow straightener that ensure a uniform supply air discharge
- Lip seal, optional for QLV-…-O
- Damper blade for volume flow rate balancing
- Lip seal
- Wall mount
- Spigot suitable for circular ducts to EN 1506 or EN 13180
- Top cover, base, spigot and side parts made of galvanised sheet steel
- S7: Top cover and base made of aluminium
- Corner and edge trims are extruded aluminium sections
- Airflow straightener made of plastic
- Equalising element made of synthetic fibres
- Lip seal made of rubber
- Surface powder-coated RAL 9010, pure white
- P1: Powder-coated, RAL CLASSIC colour
- S7: Surface galvanised
- Sound power level of the air-regenerated noise measured according to EN ISO 5135
- Maintenance-free as construction and materials are not subject to wear
- Inspection and cleaning to VDI 6022