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LDI Diffuser - 16 Pages

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Catalogue excerpts

Industrial Diffuser LDI model Description, areas of application and benefits . . . . . . . . . . . . . . . . . . . . . . . . . . LDI 1 Configuration and thermostatic adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . LDI 2 Aerodynamic data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LDI 3 Ranges of application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LDI 3 Installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....

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Industrial Diffuser Description, Areas of Application, Benefits Industrial swirl diffuser LDI Diffuser LDI was specially developed for challenging air conditioning applications in rooms with high ceilings. It is suitable for free installation without any ceiling connection and a downward discharge opening, but can also be used in special cases for lateral installations. The individual diffuser consists of a circular metal nozzle with a radial wide edge that shallows out to make use of the Coanda effect. Air is generally supplied to the diffuser via tubes or ducts and flows through a control mechanism...

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Industrial Diffuser Configuration and Thermostatic adjustment Configuration This diffuser is designed as a nozzleshaped circular corpus with a radial nozzle outlet. Six individual blades are mounted on a central hub and from an interior control mechanism that can be continuously adjusted either manually, pneumatically or via motor. This diffuser is available in the sizes 250/315/400/500/630/800 (nominal sizes) and roughly estimated are suitable for deployment in heights of up to 30 m and individual volume flows of up to 12,000 m3/h per diffuser. The thermostatic adjustment In the thermostatic...

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Industrial diffuser Ranges of application and Aerodynamic data Installation Ranges of application Advised are the following installation methods Air diffuser Quick connect Fexible Hose Form piece Free Installation Connecting flange Form piece (free installation) DN Plenum box (free installation)) Aerodynamic data Nominal Size. [-] Quick-lock connection Subject to technical changes. Version 17 / 09 / 2012 Steel cover Flexible hose Connection Air diffuser Ceiling: Connecting flange Jobsite connecting flange The minimum spacing listed in this table apply to suspended installations as per recommended...

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Industrial Diffuser N um ber of a ir dif f users = total air volume flow M inim um spa cing a [ m ] = air volume flow per diffuser recommandable planning Installation height e [m] Blade angle α Heating [°] = vx = Velocity in the staying room ∆T = Temperature difference recommandable planning 5 Blade angle α Isotherm [°] 5 Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Blade angle α Cooling [°] Subject to technical changes. Version 21 / 05 / 2013

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Industrial Diffuser Number of air diffusers = total air volume flow air volume flow per diffuser Blade angle α Heating [°] = vx = Velocity in the staying room ∆T = Temperature difference recommandable planning Blade angle α Isotherm [°] Blade angle α Cooling [°] Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Subject to technical changes. Version 17 / 09 / 2012

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Industrial Diffuser Number of air diffusers = total air volume flow air volume flow per diffuser recommandable planning Installation height e [m] Blade angle α Heating [°] = vx = Velocity in the staying room recommandable planning Blade angle α Isotherm [°] α Cooling = Blade angle α Cooling [°] Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Subject to technical changes. Version 17 / 09 / 2012

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Industrial Diffuser Number of air diffusers = total air volume flow air volume flow per diffuser recommandable planning Installation height e [m] Blade angle α Heating [°] = vx = Velocity in the staying room ∆T = Temperature difference recommandable planning Blade angle α Isotherm [°] Blade angle α Cooling [°] Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Subject to technical changes. Version 21 / 05 / 2013

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Industrial Diffuser Number of air diffusers = total air volume flow air volume flow per diffuser recommandable planning Installation height e [m] Blade angle α Heating [°] = vx = Velocity in the staying room ∆T = Temperature difference recommandable planning Blade angle α Isotherm [°] α Cooling = Blade angle α Cooling [°] Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Subject to technical changes. Version 17 / 09 / 2012

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Industrial Diffuser Number of air diffusers = total air volume flow air volume flow per diffuser recommandable planning Installation height e [m] Blade angle α Heating [°] = vx = Velocity in the staying room ∆T = Temperature difference recommandable planning Blade angle α Isotherm [°] Blade angle α Cooling [°] Blade angle α Isotherm [°] Suggested minimum air velocity for cooling, against temperature difference and minimum blade angle α Subject to technical changes. Version 17 / 09 / 2012

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Industrial Diffuser Acoustic power level and pressure loss LDI 250, 315, 400, 500, 630, 800 125 - 250 Model: LDK = Comfort air diffuser (see Catalog 1.1.1) 250 - 800 Model: LDI = Industrial air diffuser A-rated acoustic power level L WA [dB(A)] A-rated acoustic power level L WA [dB(A)] A-rated acoustic power level L WA [dB(A)] Subject to technical changes. Version 21 / 05 / 2013

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Industrial Diffuser S : Manual adjustable blade setting R : basic nozzle shape Material: nozzle of sheet: aluminum guide vane of sheet: metal S : Manual adjustable blade setting V : Elongated nozzle shape Material: nozzle of sheet: aluminum guide vane of sheet: metal E : Electric adjustable blade setting T : Thermostatic ajustable blade setting R : Basic nozzle shape Material: nozzle of sheet: aluminum guide vane of sheet: metal A E : Electric adjustable blade setting T : Thermostatic ajustable blade setting V : Elongated nozzle shape Material: nozzle of sheet: aluminum guide vane of sheet: metal Subject...

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