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  • semi-automatic

    Crank-free operation

    Opt for our semi-automatic upgrade, end users will no need to crank each individual panels, making the whole experience much more convenient. 

    Top, bottom sound seal and telescopic end panels extrude/retract automatically once in position. The mechanism is driven by DC motors spindling the crank result in pushing and retracting top and bottom sound seals. Power is transmitted from panel to panel through specially designed electronic sensors located at the fixed jamb of the system.

    This upgrade is available for F-100, G-100, HA-150 series.

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    KPMG - Hong Kong

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