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fCHAKMulti-Leaf DamperModel JK-LP / JK-LU Leakage air flow with control damper closed according to DIN EN 1751, up to class 4 Ferdinand Schad KG SteigstraGe 25-27 D-78600 Kolbingen Telephone +49 (0) 74 63 - 980 - 0 Fax +49 (0) 74 63 - 980 - 200 info@schako.de www.schako.de

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08/11 - 2 Construction subject to change. Version: 15.01.2018 No return possible!

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Multi-Leaf Damper JK-LP / JK-LU Description Application range The multi-leaf dampers types JK-LP 180 and JK-LU 180 are used in ventilation and air-conditioning systems as control, throttle or shut-off dampers for the pressure and volumetric flow regulation. The flow-favouring aluminium blades are adjusted together, rotating in opposite directions, via external plastic gear wheels. The external arrangement of the gears has the benefit that in comparison to internally arranged wheels exposed to the air flow, they do not become soiled so quickly. A cover plate protects the gear wheels from...

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currentless currentless currentless currentless currentless currentless Construction Seals - Special rubber Hollow-body blades - Aluminium profile, flow-favouring and torsion-resistant jointly adjustable in opposite directions Bearing - JK-LP 180: plastic bearing - JK-LU 180: sintered bearing Frame Profiled sheet steel galvanised 1.5 mm, dimensionally sta-- ble - Depth of the frame = 180 mm - with profiled connection frame - with frame bores (at an extra charge): on one side (-RB1) - with frame bores (at an extra charge): on two sides (-RB2) Gear wheels - Plastic, externally fitted, on one...

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Multi-Leaf Damper JK-LP / JK-LU Models and dimensions Dimensions JK-LP 180 (with plastic bearing) JK-LU 180 (with sintered bearing) When selecting the multi-leaf dampers, the permitted width must be selected according to the total pressure loss (see selection table above). Max. differential pressure 1000 Pa. Construction subject to change. All combined lengths and widths available!

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“HAK# Corner angle As standard, multi-leaf dampers are supplied with corner angles. The special form of the corner holes allows them to be connected to the connection systems available on the market (e.g. Metu system M 2/M 3) Extended driving axle (-VA) Driving axle left Driving axle right The number of holes does not include the 4 corner holes. Number of holes All combined lengths and heights available. Projection length z = max. 150 mm only together with bearing block (at an extra charge) The above illustration shows the division of multi-leaf dampers greater than 1998 mm in height. The...

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Multi-Leaf Damper JK-LP / JK-LU Multi-leaf damper divided vertically The figure opposite shows the division of multi-leaf dampers greater than 1998 mm in width. It is not possible to join the two sections. Drive side 1 "left" and 1 "right". The primed mounting frame 35/35/4 is only available on special request. Vertically and horizontally divided multi-leaf dampers The figure opposite shows the division of multi-leaf dampers greater than 1998 mm in height and width. The blades in the two sections on top of each other are joined by a coupling rod. It is not possible to join the horizontally...

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Angle counter frame (-WG) Multi-Leaf Damper JK-LP / JK-LU Dimensions of accessories Assembly detail Mounting frame (-ER) Flat-steel counter frame (-FG) Multi-leaf dampers can be additionally fitted with: 1.) Mounting frame 35/35/4 with riveted wall anchor (-ER) 2.) Flat-steel counter frame 33/5 (-FG) 3.) Angular counter frame 30/30/3 (-WG) undrilled or drilled. All frames are supplied in primed design. Mounting frame (-ER) Wall anchor arrangement Height (mm): H < 1003 ^ 2 anchors on each side H > 1003 ^ 3 anchors on each side 797 < B < 1003 ^ 2 anchors on each side B > 1003 ^ 3 anchors on...

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Electric limit switches can be installed to indicate position or to perform switching functions Installation options: - Damper position “CLOSED” 1 limit switch (-ES1Z) - Damper position “OPEN” 1 limit switch (-ES1A) - with 2 limit switches, “CLOSED” and “OPEN” (-ES2) - 1 NC / 1 NO contact (Ue 240V le 6 A, on request): - Standard model (-ES1M) - Explosion-proof model (-ES1Ex) If an electric actuator or pneumatic servo cylinder is used, the limit switches can also be installed as shown in the drawing. Integrated limit switches The electric actuators are available with integrated / mounted...

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Multi-Leaf Damper JK-LP / JK-LU Installation next to multi-leaf damper (at an extra charge) Installation above multi-leaf damper (at an extra charge) with pneumatic servo cylinder H = 201-565 Console type II (screwed-on) Console type I (screwed-on) 08/11 - 10 Construction subject to change. Version: 15.01.2018 No return possible!

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Duct connection Technical data Pressure loss and noise level Pressure loss Open connection Correction factor (for flow generated noise) Construction subject to change.

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«h*k#Multi-Leaf Damper JK-LP / JK-LUSelection actuator / servo cylinder JK-LP / JK-LU-E (with electric actuator) The electric actuator or pneumatic cylinder can also be installed at a later stage. When an electric actuator is fitted, a control panel must be attached next to or above the damper during mounting. For standard mounting of a pneumatic servo cylinder, use control panel type I for heights of up to < 565 and control panel type II for heights from > 634. When a thrust actuator or servo cylinder is mounted on site, it is recommended also ordering the bearing block, in order to ensure...

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model Electric actuators Electric terminals 24 V AC/DC, 230 V AC Two-point Three-pointElectric terminals 24 V AC/DC, 230 V AC Two-point Pressure loss Intake velocity, blower stream velocity, outflow velocity, relative to B x H Blade position A-weighted sound power level [LWA = LWA1 + KF] A-weighted sound power level relative to 1 m2 Density Correction factor Face area Height Width Leak air volume Leak air volume Leaf area Construction subject to change.

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«h*k#Multi-Leaf Damper JK-LP / JK-LU Order details | manually adjustable""! with position feedback 2-10 V without integrated limit switches with integrated limit switches -IS2 Accessories: Mounting frame -ER Flat-steel counter frame -FG Angle steel counter frame -WG Extended drive axle (only possible for use with bearing block) -VA Order example: JK-LP 180-E1-ES1Z-RB1 Unless stated otherwise, the thick-frame model will be delivered! 08/11 - 14 No return possible! Construction subject to change.

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