pneumatic rope ladder winch The winch can be operated manually with a crank in case of an air failure.Limit switches are installed with the crank.As a result,the air-resource can be automatically cut off when the crank is taken away and reconnected when it's placed back to its normal keep. Rated load 2000N Support load 3000N Hoisting speed 4.8~25.5m/min Capacity of wire 22m Motor type pending Power 3.5ps Rotate speed 1200r/min Air press 0.5~0.7Mpa Air consumption 3.5m3/min Moving mode manual 275N CE approval inflatable life jacket CO2 fire extinguishing system Marine horizontal/vertical oil fired boiler Marine air compressor marine centrifugal pump marine hydraulic steering gear Hydraulic capstan Tunnel thruster/bow thruster