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Plate diffuser KHLA - 6 Pages

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Plate diffuser KHLA
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Catalog excerpts

Plate diffuser KHLA TECHNICAL DATA - 2013  page 27 Plate diffuser KHLA The KHLA plate diffuser is designed for use in the ventilation installations supplying air to both office and industrial premises. It is characterised by a nice design and low noise output. The possibility of changing the flow pattern enables the KHLA plate diffuser to be used to supply cool or heated air. The KHLA diffuser is made of steel sheet painted white (RAL 9010) in standard. Other colours are available on request. Amount of supplied air is regulated manually by moving the diffuser’s front panel vertically. When the diffuser’s front panel is extended, the device works in cooling mode, whereas when the front panel is retracted, heating mode is switched on. The ventilation duct connector is equipped with a rubber gasket. The KHLA diffuser can be attached directly to the ventilation duct or to the plenum box. Product facts Plate diffuser KHLA Intended for ceiling or freely hanging installation Adjustable diffusion pattern 360o round air supply Product code example: Plate diffuser KHLA-25-1-1 Terminal of size 25, adjustable manually, painted in RAL 9010 colour. Quick selection Size Air flow l/s m3/h Installation height above the floor, m Fläkt Woods Specifications are subject of alteration without further notice.

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Plate diffuser KHLA TECHNICAL DATA - 2013  page 28 Pressure drop, air flow range – horizontal flow Pressure drop In the above graph the sound levels are indicated in dB(A) for a reference room with 10 m2 room absorption, equivalent to 4 dB room attenuation. Horizontal throw length – cooling mode -10K The throw length presented on chart refers to a diffuser mounted in false ceiling. In case of freely mounting diffuser, the throw length will be about 20% less. Fläkt Woods Specifications are subject of alteration without further notice.

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Plate diffuser KHLA TECHNICAL DATA - 2013  page 29 Pressure drop, air flow range – vertical flow Pressure drop 55dB(A) In the above graph the sound levels are indicated in dB(A) for a reference room with 10 m2 room absorption, equivalent to 4 dB room attenuation. Vertical throw length – heating mode +15K +10K +5K 0K Fläkt Woods Specifications are subject of alteration without further notice.

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Plate diffuser KHLA TECHNICAL DATA - 2013  page 30 Sound data, dimensions Sound power level Sound attenuation Correction of sound level Kok in dB for octave bands (Hz) 125 250 500 1000 2000 4000 8000 The subdivision into the frequency-related sound power Lw is performed with reference to the LA10 values and the correction Kok in the graphs. Sound attenuation ∆L in dB for octave bands (Hz) 125 250 500 1000 2000 4000 8000 KHLA mean sound attenuation ∆L is measured from the duct to the room and includes the orifice attenuation of the adjacent duct dimension in the case of ceiling-mounting. Lw = LA10...

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Plate diffuser KHLA TECHNICAL DATA - 2013  page 31 Ordering code Descriptive text Plate diffuser KHLA for ceiling installation manu­ ac­ ured f t by Fläkt Woods. Product code Plate diffuser Size 12, 16, 20, 25, 31, 40 Flow pattern regulation 1 = manual adjustment Colour 1 = standard RAL 9010 X = any other colour from RAL palette Fläkt Woods Specifications are subject of alteration without further notice.

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