The system provides:

Hoisting of the loaded rescue boat by electric motor
Gravity lowering of the loaded rescue boat independent of external power supply
Dead ship slewing of the rescue boat by the nitrogen accumulator installed on the davit arm
Retrieval of the rescue boat by manual hoisting
Manual slewing by hand-pump.
Materials
Structural steel : Q345 or equivalent
Outfitting steel : Q235 or equivalent
Paint system : Sandblasted to Sa 2.5, painted with 1 x 50µ DFT Zink Epoxy Primer.
Optional painting according to customer requirement
Capacity
Max lifting / lowering : SWL 21.0 kN at 4m working radius. Adjusted to actual boat weight.
Lifting speed : 0 - 18.0 m/min
Dead Ship lowering speed : 50 - 60 m/min
Maximum operational list and trim : ±20° / ±20°
Operational temperature range : -20°C to +50°C

Winch data
Winch : Hydraulic driven. SOLAS Approved

Power consumption
Total power consumption max load : TBA
Power supply : 380V to 420V and 690V / 3Ph / 50Hz
440V to 480V and 690V / 3Ph / 60Hz
Heating element : 220V in motor

Hydraulic piping and fittings
System type piping and fittings : DIN2353, (ISO8434-1)
Materials : Pipes, AISI 316 stainless steel
Fittings and hose couplings : Chromated steel
AISI 316 stainless steel on request