QLV

QLV-180-O

QLV-90

QLV-180

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

Optional equipment and accessories

Wall mount
Damper blade for volume flow rate balancing
Exposed surface in RAL CLASSIC colours

Application

Application

Type QLV displacement flow diffusers are used as supply air units for industrial and comfort zones
Attractive design element for building owners and architects with demanding aesthetic requirements
Floor-standing installation on walls or in corners
Low-velocity airflow, causing only low levels of induction and resulting in low-turbulence displacement ventilation.
Excellent air quality in the occupied zone
Draught-free and economical ventilation and air conditioning also of larger internal spaces such as shop floors or auditoriums, with several displacement flow diffusers in a regular arrangement
For variable and constant volume flows
For supply air to room air temperature differences from –6 to –1 K

Special characteristics

Three-way or five-way air discharge
Duct connection at the top or bottom
Optional damper blade for volume flow rate balancing

Nominal sizes

∅D: 160, 200, 250, 315, 400, 500, 630 mm
H: 500, 600, 800, 1000, 1250, 1500, 1750 mm

Description

Variants

QLV-90: 90° air discharge
QLV-180: 180° air discharge
QLV-...-O: Spigot at the top
QLV-...-U: Spigot at the bottom

Parts and characteristics

Polygon casing
Equalising element and airflow straightener that ensure a uniform supply air discharge
Lip seal, optional for QLV-...-O

Attachments

Damper blade for volume flow rate balancing

Accessories

Lip seal
Wall mount

Construction features

Spigot suitable for circular ducts to EN 1506 or EN 13180

Materials and surfaces

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

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

Nedladdningar

produkt information

Print page QLV

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