Displacement Diffusers Type ‘QSH ● ISH’
FOR INDUSTRIAL ZONES WITH AIR POLLUTING PROCESSES
Displacement flow diffusers with bell-shaped, low turbulence air discharge in cooling mode
- Nominal sizes 250, 355, 450, 560 mm
- Volume flow rate range 205 – 1570 l/s or 738 – 5652 m³/h
- Casing made of galvanised sheet steel
- For variable and constant volume flows
- Installation either free hanging or on walls or pillars
- Low-turbulence displacement ventilation
- Discharge direction can be adjusted manually or with an actuator
- Chain pull for adjusting the discharge direction manually
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Product Information
Optional equipment and accessories
- Exposed diffuser parts in RAL CLASSIC colours
- Electric and thermal actuators for adjusting the air discharge direction
- Bowden cable for adjusting the discharge direction manually
- Wall mount
- Perforated sheet metal casing
- Air control disc to control the air discharge direction
- Top entry spigot for connection to a vertical duct
- Chain pull for manual adjustment, approx. 2.0 m
- B: Bowden cable for manual adjustment, approx. 2.8 m
- E*: Electric actuator
- T: Thermal actuator
- W00: Wall mount
- K00: Chain fixing
- WK0: Wall mount and chain fixing
- Spigot suitable for circular ducts to EN 1506 or EN 13180
- Casing with base plate, cross bar and air control disc made of galvanised sheet steel
- Chain pull made of galvanised steel
- Pulley wheels made of plastic, UL 94, V-0, flame retardant
- B: Hand lever made of galvanised steel, Bowden cable made of galvanised steel and with PE sheath
- P0: Powder-coated RAL 9010, pure white
- P1: Powder-coated, RAL CLASSIC colour
- 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