Gravity Davit · Davits
Norsafe / Survitec Norsafe Gravity SWL-12t-B is listed in the source as a marine Gravity Davit within the Davits group. Equipment of this type is typically installed on deck or at the vessel's working, mooring, launching or cargo-access area, with foundations and machinery integrated into the ship structure. Its primary duty is the lifting, handling, mooring, towing or access duty associated with the Gravity Davit, and it combines the drive system, brakes or holding devices, mechanical transmission, structural components and local or remote controls to move and secure the intended load. Neighboring variants can differ in rating, size, interface, approval basis or arrangement, so the complete model designation and actual nameplate data are important for identification. It normally interfaces with hydraulic or electrical power as fitted, local and remote controls, limit or safety devices, alarms and the vessel's supporting structure. For any exact capacity, pressure, voltage, tolerance, wear limit or setting not stated in the source, refer to the manufacturer documentation for the exact figure.
Every value below comes from the manufacturer datasheet or class-society record on file for this model.
Other models of the same equipment type, Norsafe / Survitec first.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect load-bearing structure, foundations, pins, sheaves, ropes or chains, brakes, hydraulic or electrical drives and all safety interlocks relevant to the installed arrangement. Check for leakage, corrosion, abnormal wear and smooth operation without bypassing protective functions. Use the maker's documentation, class rules and the vessel's lifting or maintenance records for exact limits and test loads.
Typical onboard spares include seals, hose and fitting items, filters, brake consumables, limit switches, control relays, lubricants and approved rope or chain accessories as applicable to the installed machinery.
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