DHV
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Catalog excerpts

05/15 - 2 Construction subject to change. Version: 14.01.2020 No return possible!

Model DHV-Q DHV-R DHV-K DHV-...-Z-DHV-...-A- Description The swirl diffuser DHV is suitable for rooms up to 4 m high without causing draughts. A high induction is ensured by a special design of the fixed swirl impellers. This increased induction causes the temperature difference and velocity to be rapidly reduced. The supply air enters the room horizontally. This diffuser was designed especially for cooling and isothermal supply air pattern and is suitable for constant and variable volumetric flows from 100% to 40%. A volumetric flow meter (-VME1) can be integrated in the connection spigot...

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Swirl Diffuser DHV Models and dimensions Dimensions DHV-...-VM (standard, without plenum box) For flexible duct connection Available sizes DHV-...-VM ød a DHV-Q-... DHV-R-... DHV-K-... 1 6 Attention: Counter pole brace on site! Detail X DHV-Q-...-100-400-... Dimensions of accessories Plenum box (SK-R-09-Z-...), for supply air, with VM Spigot position Construction subject to change. 1.) The air diffuser plate is not included in the model -SK-R-09-A-... . 2.) Suspension on site KHS = KHS = standard height of plenum box, special height of plenum box = øD + 137mm for DHV 100315, but at least...

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Damper (-DK1/-DK2), for SK-... Volumetric flow meter (-VME1), for SK-... Not for use with the damper (-DK1/-DK2) . without cable-operated adjustment with cable-operated adjustment Cable-operated adjustment (only for -DK2) Transition piece (-US) with VM (not possible for NW 4°0)) Available sizes (-US) NW Construction subject to change.

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Swirl Diffuser DHV Panelled cover plate (-PA...) (not possible for DHV-R) Cylinder screw M6x40 DIN EN ISO 4762 with indentation for slotted shallow-raised countersunkhead tapping screw DIN ISO 7051 pitch 3.9 (on site). with indentation for slotted shallow-raised countersunkhead tapping screw DIN ISO 7051 pitch 4.8 (on site). 05/15 - 6 Construction subject to change. Version: 14.01.2020 No return possible!

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Fastening methods Screw mounting (-SM) only for connection to flexible ducts DHV-Q-... (with square faceplate) DHV-R-... (with round faceplate) DHV-R-...-100-... 3.) NW 100: 3 bores, d = 4.2 mm for slotted shallow-raised countersunk-head tapping screws DIN ISO 7049 pitch 4.2 (provided by the customer) 4.) NW 125 400: 3 indentations for slotted shallow-raised countersunk-head tapping screw DIN ISO 7051 pitch 3.9 (on site) 1.) NW 100-315: 4 on-site slotted shallow-raised countersunk-head tapping screws DIN ISO 7051 pitch 3.9 NW 400: 4 on-site slotted shallow-raised countersunk-head tapping...

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Swirl Diffuser DHV Technical data Pressure loss and noise level DHV-... (for flexible duct connection, without plenum box) Noise level (supply air) DHV-... (for flexible duct connection, without plenum box) Supply air pressure loss 05/15 - 8 Construction subject to change. Version: 14.01.2020 No return possible!

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Swirl Diffuser DHV Pressure loss and noise level with plenum box for supply air DHV-Q/R-Z-100-... with SK-R-09-Z-... Damper position: OPEN = 100% CLOSED = 0% 05/15 - 9 Construction subject to change. Version: 14.01.2020 No return possible!

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Damper position: OPEN = 100% CLOSED = 0% Construction subject to change. DHV-K-125-... with SK-R-09-Z-.

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Pressure loss and noise level with plenum box for return air DHV-...-A-100-... with SK-R-09-A- Damper position: OPEN = 100% CLOSED = 0% Construction subject to change.

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Swirl Diffuser DHV Pressure loss and noise level without plenum box for return air Direct connection 05/15 - 12 Construction subject to change. Version: 14.01.2020 No return possible!

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Swirl Diffuser DHV Maximum end velocity of jet DHV-...-100-... 05/15 - 13 Construction subject to change. Version: 14.01.2020 No return possible!

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05/15 - 14 Construction subject to change. Version: 14.01.2020 No return possible!

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Supply air volume Supply air volume Return air volume Return air volume A-weighted sound power level Pressure loss Density Maximum end velocity of jet Horizontal + vertical throw Critical throw Temperature difference between supply air temperature and room temperature (ATO = tZU - tR) Supply air temperature Room temperature Nominal value Construction subject to change.

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Swirl Diffuser DHV Order details DHV 01 Sample DHV-Q-Z-100-SB-9010-VM-PA000-U0 Swirl diffuser type DHV I square faceplate I supply air I NW100 I faceplate made of sheet steel I faceplate painted to RAL9010 I concealed mounting I without panelled cover plate I without transition piece Order details 01 - Type DHV = Swirl Diffuser 02 - Model Q = square faceplate and inlet nozzle, NW 100-400 (NW 100 made of galvanised sheet steel / NW 125-400 made of aluminium) R = round faceplate and inlet nozzle, NW 100-400 (NW 100 made of galvanised sheet steel / NW 125-400 made of aluminium) K = round...

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Swirl Diffuser DHV Order details SK 01 Plenum box, square design I for round air diffusers I air diffuser DHV I supply air I NW200 I with concealed mounting I galvanised sheet steel I with damper with cable I with rubber lip seal I with volumetric flow meter I without ROB version I without box insulation I standard height of plenum box I standard spigot diameter I 1 lateral spigot Order details 01 - Plenum box SK = Plenum box, square design 02 - Model R = for round air diffusers with round diffuser support 03 - Air diffuser (must be ordered separately) 09 = suitable for DHV-... 09 - Rubber...

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Swirl Diffuser DHV Specification texts Swirl diffuser type DHV-Q-... for flexible duct connection, with square faceplate and inlet nozzle, size 100 made of sheet steel painted to RAL 9010 (white), size 125 - 400 made of aluminium painted to RAL 9010 (white). Inlet comprises fixed nozzle-like swirl impellers Product: SCHAKO type DHV-Q-... - with larger faceplate (up to max. 623x623 mm) - with round faceplate and inlet nozzle, size 100 made of sheet steel RAL painted to 9010 (white) size 125 - 400 made of aluminium painted to RAL 9010 (white). Product: SCHAKO type DHV-R-... - with round...

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