Displacement Flow Air Diffusers Type QLV

Features

• 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

• 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

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