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TWISTED
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Catalog excerpts

TWISTED - 1

TWISTED SWIRL JET DIFFUSERS TWISTED 850 SERIES - STEEL Twisted 850 Air supply diffuser • Painted steel diffusion cone and central plate. • teel compensation plate suited to 600 x 600 mm, 625 x 625 mm S or 675 x 675 mm ceiling panels, with Tbar or Fine-Line frames. • ecorative mounting frame (white aluminium) for plaster ceiling D version. • ir supply model equipped with a fixed central plate serving as a A deflector. • xhaust model equipped with removable central plate and E elliptical filter. Access to filter by quick and easy opening of the central plate. • alvanised steel cylindrical plenum for direct connection to a G 200 mm-diameter circular duct. • ersion without plenum available for direct exhaust or direct V connection to D200 or D250 circular connection. Non-opening diffuser only. NB: use for exhaust only. DESIGN • igh-induction air diffusion using air jet rotation inside plenum. H By maintaining a sufficient discharge speed, the diffusion cone ensures a perfect Coanda effect (ceiling effect) and a swirl air jet. This swirl air jet will cause the ambient air to move, thereby mixing it with the air supply to ensure homogeneous temperatures in occupied areas. • Aldes patent. Twisted 850 diffuser for square panels W • ir supply or exhaust, high-induction fixed diffusion with swirl air jet. A • ide airflow range from a single size of diffuser. W • ystems offer high mixing rate. S • deal for cold and hot air supply (air conditioning) with high T° I differences under low ceiling heights. • deal for variable-airflow systems (ducted convector fans). I • eiling diffuser designed to replace 600 x 600 mm, 625 x 625 mm C or 675 x 675 mm suspended ceiling panels. • Suited to Tbar and Fine-Line frames. • ersion compatible with non-removable plaster or BA13 V plasterboard ceilings. Twisted 850 diffuser for plaster or BA13 plasterboard ceiling STANDARD DIMENSIONS Comfort airflow levels for Lw < NR 40 db(A) and dimensions Opening A B (mm) Ø W ØD Airflow Assembly A x B* (mm) (mm) (mm) (mm) D (mm) (m3/h) 150 to 600 x 600 366 200 298 600 150 to Suspended 625 x 625 366 200 298 600 ceilings 150 to 675 x 675 366 200 298 600 150 to 651 x Plaster / 366 200 298 600 x 600 600 651 BA1

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TWISTED - 2

TWISTED 850 SERIES - STEEL STANDARD DIMENSIONS Twisted 850 air supply Twisted 850 opening for plaster ceilings with exhaust filter FINISH • Epoxy paint finish RAL 9010 matt 30 % brightness . • Paint finish from RAL colour chart . View the list of available colours in the appendix ATTACHMENT • Attachment to concrete ceiling using brackets on the plenum . Note: the weight of the diffuser must not be borne by the suspended ceiling frame . • Attachment to plenum for F7 bridge on plaster version (optional) . • Special finish on request . ACCESSORIES • G2 elliptical flat filter supplied with the...

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TWISTED - 3

TWISTED SWIRL JET DIFFUSERS Standard range Dimensions • Concealed using brackets sealed into concrete slab . • Steel with epoxy paint coating RAL 9010 white matt 30 % brightness . The Lw (dB(A)) values do not take into account any noise attenuation in the room . Vt = 0.37 m/s Tests conducted with standard plenum SELECTION - EXHAUST WITHOUT FILTER Ak (m2) The Lw (dB(A)) values do not take into account any noise attenuation in the room Tests conducted without plenum (direct model 0 250) and with the standard plenum (Pa2) SELECTION - EXHAUST - G2 FILTER ONLY Ak (m2)

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TWISTED - 4

The Lw (dB(A)) values do not take into account any noise attenuation in the room Tests conducted with standard plenum

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TWISTED - 5

TWISTED SWIRL JET DIFFUSERS TWISTED 850 SERIES - EXHAUST PRESSURE DROP FILTER ONLY 25 The Lw (dB(A)) values do not take into account any noise attenuation in the room Tests conducted without plenum (direct model ø 250) and with the standard plenum (Pa2)

Open the catalog to page 5

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