KN Series

The KN series is a fully hydraulic  Knuckle – Telescopic – boom Marine Crane on slewing bearings, from 10 to 500 metrical tons. Thanks to the double boom articulation and the telescopic configuration, the crane occupies a very narrow space in stored position.


All Sormec marine cranes include:

    International Marine Coatings Paint Treatment
    Paint color according to owner’s choice
    All materials used are sea water resistant
    Standard work temperature range from -20°C to +45°C
    Powerful rotation through slewing ring unit and motor reduction gear
    360° Continuous rotation
    Rotating hydraulic distributor
    All electrical equipment will be in standard IP 56 protection
    Simultaneous operation of 2 functions
    Emergency stop push button
    Cylinder rods double chromium plated with thickness from 60 to 80 micron
    The hydraulic system is equipped with overcenter safety valves.
    The flexible hoses are made according to the EN 853 2SN, EN 856 4SH, EN857 1SC while stiff hoses and fittings follow the ISO 8434-1 (DIN 2353) standards.
    Bushes made in bronze with greasing point
    Pins in 39NiCrMo3 material
    Hook in carbon steel GSC and Alloy steel GSA, with safety block ;
    Control position of the crane is fixed on the rotating turret by a platform with an operator seat;
    A metallic plate showing: type, part number, year;
    Full set of operation and operation manual

KN Gallery