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Z03/05 - 2 Construction subject to change. Version: 20.04.2020 No return possible!

Step Impulse Diffuser SIA Model SIA-Z SIA-A SIA-...-N SIA-...-B SIA-...-EO SIA-...-EB SIA-...-EL SIA-...-ER Description The SCHAKO step impulse diffuser type SIA is suitable for installation in steps in pressure floors and is mainly used for airconditioning of concert halls, auditoria, theatres and cinemas. The modern design of the perforated surface fits in very well with today's architectural demands. Unlike conventional displacement air diffusers with an only low induction, the SIA diffuser reaches an induction factor of 2.8 after only 0.5 m. Ingenious fittings on the inside of the SIA...

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Models and dimensions Dimensions SIA-...-01000-... SIA-...-01500-... Band design with end pieces (-EB) Construction subject to change.

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Step Impulse Diffuser SIA Technical dataTemperature and induction ratios SIA-Z-...-01000-... (vertical installation) Pressure loss and noise level SIA-Z-...-01000-... with air diffuser plate Correction of length (supply and exhaust air) Correction factor for SIA-Z-...-01500-... for SIA-Z-...-00500-... vmax x 0-66 vmax x 2 vmittel = vmax x Construction subject to change.

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Step Impulse Diffuser SIA Order code 01 All fields must be filled out when ordering Step impulse diffuser type SIA I Supply air I Painted to RAL colour 9005 (black) I Length 1000 mm I Single length I With concealed mounting I Without end piece Order details 01 - Type SIA = Step Impulse Diffuser type SIA 02 - Type of air Z = Supply air (with air diffuser plate) A = Return air (without air diffuser plate) 03 - Frame surface / faceplate 9005 = Painted to RAL colour 9005 (black, standard) 9010 = Painted to the RAL colour 9010 (white) xxxx = RAL colour can be freely selected (always with 4...

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Step Impulse Diffuser SIALegend Vzu (m3/h) [l/s] Supply air volume Return air volume Total air jet volume at point x Maximum end velocity of jet Average end velocity of jet (vaverage = vmax x °-5) horizontal throw vertical throw Density Pressure loss A-weighted sound power level Induction ratio (i = Vx / Vzu) Temperature ratio (TV = ATx / ATo) Temperature difference between supply air temperature and room temperature (ato = tzu - tR) Temperature difference at point x Supply air temperature Room temperature Diffuser length Correction factor Specification texts Step impulse diffuser with high...

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