• Secondary Winch

    Your partner for a Lifetime of Lifting!

    The line of electric driven Secondary Winches (SW) from National Oilwell Varco® is based on their vast design experience and manufacturing of cranes for the offshore construction industry. 

    NOV® offers products with line pull capacity from 120T to 300T.

    Description

    The line of electric driven Secondary Winches (SW) from National Oilwell Varco® is based on their vast design experience and manufacturing of cranes for the offshore construction industry. 

    NOV® offers products with line pull capacity from 120T to 300T.

    DRIVE SYSTEM:

    The Secondary Winches are all electrically driven, using asynchronous- or permanent-  magnet electric motors with a frequency drive control system.

    The electric drive system ensures safety, high efficiency and smooth operation.

    CONTROL AND MONITORING:

    The Secondary Winches are controlled from the control chair on the bridge that belongs to the main NOV AHT Winch System. 

    The controls are operated using joy sticks assisted by touch screen settings.

    Line speed is monitored by tachometers.

    Payout or pull in lengths are monitored and displayed.

    Load/tension monitoring is also provided

      Features/Benefits

      SAFETY FEATURES:

      The equipment is designed for use onboard an AHTS vessel classified according to DNV Rules.

      All winches have Emergency Stop. The larger size models also have an Emergency Release System and High Speed Payout, assisted by a multi-disk water cooled brake system.

      The drive and control system are fully electric. They provide continuous control from zero to maximum rated values under all load and speed conditions.