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21-DVC/21-DVR
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21-DVC/21-DVR

21-DVC/21-DVR
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Catalog excerpts

21-DVC/21-DVR-1

Selection table Double deflection grille for ducts Product description Double deflection grille for circular ducts, KOOLAIR, model 21-DVC, of dimensions LxH, for supply and return air. It can incorporate volume control dampers (-RFS-05 / 06). Finished in steel sheet or any RAL colour upon request. Other models 21-DVR. Double deflection grille for rectangular ducts. Mounting With screws. The grille is provided with holes for screwing. General dimensions The Selection Table shows a summary of dimensions. Other sizes available. Consult the Sales Department. LEGEND Q (m3/h): Air flow. Lwa [dB(A)]: Sound power level. APt (Pa): Total pressure loss. X (m): Throw for a maximum velocity of 0.25 m/s at the occupied zone AT = -10 °C (cold), installed at 2.7 m of height, with ceiling effect. Vk (m/s): Effective velocity.

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All KOOLAIR S.A catalogs and technical brochures

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.