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WKD 380 Diffuser - 12 Pages

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Catalogue excerpts

NAD Klima Industrial diffuser Sous reserve de modifications techniques. Version 15/02/2012

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Industrial diffuser Description, Areas of application and Benefits Turbulence Chamber Swirl Diffuser WKD 380 WKD 380 is a high induction swirl diffuser with a circular front plate, a turbulence chamber integrated in the plenum box and a steering nozzle. The turbulence chamber is made of highgrade slotted steel (powder-coated black). This diffuser is an excellent choice for heating and cooling applications in commercial and industrial ventilation. Jet dispersion can be adjusted manually or via actuator as needed to fit the actual load. The adjustment mechanisms allow the WKD 380 diffuser to operate...

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NAD Klima Industrial diffuser Configuration and Method of operation with large penetration depth. with superposed swirl effect reduced swirling (also without ceiling effect) horizontal penetration depth and high primary Subject to technical changes. Version 15/03/2012

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Industrial diffuser Aerodynamic data and ranges of application Aerodynamic data Nominal size [-] Specification : The minimum spacing for suspended installation is a height of 4.0 m so that velocity in occupied areas does not exceed 0.2 m/s. Penetration depth when heating y for ∆T = +10°C. Subject to technical changes. Version 15 / 03 / 2012

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NAD Klima Industrial d iff user Subject to technical changes. Version 15/03/2012

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Rating Diagram Rating diagram horizontal free flow without ceiling influence Note: At ceiling influence the velocities must be multiplied Subject to technical changes. Version 14/09/2012

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NAD Klima Industrial diffuser Rating diagram Rating diagram horizontal free flow without ceiling influence A-rated acoustic power level L WA [dB(A)] Subject to technical changes. Version 15/03/2012

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Horizontal airflow in free flow operations without ceiling influences caused by temperature differences. WKD 380 1000 Horizontal airflow in free flow operations without ceiling influences caused by temperature differences. Subject to technical changes. Version 15 / 03 / 2012

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Industrial diffuser Vertical flow Specification : Room height : 5.5 m 2 Installation height : 4.0 m Max. airflow velocity at a height of 1.8 m over floor : 0.2 m / s Air volume flow : 2500 m3/h 1 Required : - Diffuser size - Minimum clearance between diffusers - Acoustic level LWA - Pressure drop Δpt, Solution : 1. DN 800 results as the size from “Ranges of Application“ diagram. 3 2. From “Horizontal stream” diagram and for an air volume flow of 2500 m3/h : y = Installation height = 4 m – 1.8 m = 2.2 m 4 we find the airflow distance : x= 2.5 m 5 thus, minimum clearance between diffusers = 2 x...

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Industrial diffuser 1- Description and physical characteristics 1.1 Swirl air diffuser WKD 380 with round or square steel front panel with white coating (RAL 9003). Adjustment of air discharge carried out manually or by means of electrical servo-motor. 1.2 Mechanism adjustment versions: manual adjustment at diffuser or motorized adjustment with servo-motor and power supply cable. 3 – Mounting 3.1 Diffuser always supplied with galvanized steel plenum box. 4 – Balancing 4.1 Balancing of diffuser WKD 380 must be performed by a technician in HVAC systems. 5 - Required quality : NAD Klima, WKD 380...

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NAD Klima 144, Leger Street, Sherbrooke (Québec), Canada J1L 1L9 • T : 819 780-0111 • 1 866 531-1739 • F : 819 780-1660 • info@nadklima.com

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