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TECHNICAL DOCUMENTATION SCHAKO | Ferdinand Schad KG Steigstrasse 25-27 D-78600 Kolbingen

DKA TECHNICAL DOCUMENTATION Function and use | Accessories FUNCTION AND USE The round, manually adjustable damper DKA is suitable for installation in round supply air and return air ducts according to DIN EN 1506. It is used for regulating the volumetric flows in air-conditioning installations. The hand-adjustable device with integrated position indicator allows an exact setting of the damper blade, without tools, between 0° and 90°. The housing is dimensionally stable due to standard double beads. For use with airtight locking of volumetric flows, the damper DKA-L must be used. The damper...

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DKA TECHNICAL DOCUMENTATION Dimension | Dimensions of accessories Damper blade Detail X DKA-N DKA-L Available sizes Attention: If the motor is fitted on site, specify the exact motor type! LEAKAGE CLASSES ACCORDING TO DIN EN 1751 Hand-adjustable device left Construction subject to change No return possible Version: 2020-10-22 | Page 3

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DKA TECHNICAL DOCUMENTATION Technical data | Legend Correction factor for noise level Lwa1 [db(A)] The leak volume with closed damper is approx. 5%, relative to the volumetric flow with open damper and at the same differential pressure. Duct velocity LEGEND Vzu (m3/h) = Supply air volume = Supply air volume = Duct velocity = Pressure loss = A-weighted sound power level (Lwa Lwai + KF) = A-weighted sound power level relative to NW 160 = Correction factor = Damper position = Nominal width = Length = Position of damper blade axle = Diameter Construction subject to change No return possible

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DKA TECHNICAL DOCUMENTATION Order codeORDER CODE 01 Sample DKA-N-080-SV-KA0-E021-NO Damper type DKA, round design | not airtight | NW 80 | made of galvanised sheet steel | without rubber lip seal | with actuator with spring return, 2/3-point, 4 Nm, 24 V AC/DC | currentless OPEN ORDER DETAILS 01 - Type DKA = Damper DKA, round design 02 - Model N = not airtight (standard) L = sealing airtight 03 - Nominal width 080 = NW 80 100 = NW 100 125 = NW 125 140 = NW 140 160 = NW 160 180 = NW 180 200 = NW 200 250 = NW 250 280 = NW 280 315 = NW 315 355 = NW 355 400 = NW 400 04 - Material SV = Galvanised...

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Specification text Round, manually adjustable damper type DKA for installation in round supply air and return air ducts according to DIN EN 1506 for regulating the volumetric flows in airconditioning installations. Product: SCHAKO type DKA-N - Damper with silicone-free damper blade seal made of PUR, housing leakage according to DIN EN 1751, class C (NW80 class B), at a duct pressure of up to 1000 Pa. Leakage at closed damper blade according to DIN EN 1751, class 4 (NW80 to NW140 class 3), at a duct pressure of up to 1000 Pa. Product: SCHAKO type DKA-L Material: - Housing, manually...

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