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The emergency fire pump is located in the emergency fire pump space inside the steering gear flat. The pump is used to supply the fire main when the fire and GS pumps in the engine room are unable to do so and to supply the driving water for the foam system. It is an electrically…
The general service air system is supplied by one electric motor driven air compressor operating at a pressure of 6.9MPa. The compressor discharges to a 3.0m3 air receiver and is controlled by the pressure in the receiver with the machine loading and unloading as required. The compressor is fitted inside an acoustic casing that is…
The starting air system is supplied by two main starting air compressors that supply two 5.0m3 starting air receivers. The compressors are of the two stage reciprocating type and are cooled by fresh water from the fresh water cooling system. A three-way temperature controlled valve is used to regulate the flow of water to the…
The steering gear consists of two rams and four cylinders that are driven by two electrically driven pumps. The pumps are of the variable displacement axial piston type of swashplate design for closed circuit transmissions and are contained in separate oil tanks. The steering gear is capable of operating as two totally isolated steering systems…
Fresh water for domestic use is stored in the fresh water tank located in the steering gear room. Drinking water is supplied by a separate system and the drinking water is stored in the drinking water tank also located in the steering gear room. Fresh water and drinking water is pumped to the tanks from…
The stripping pump is a steam driven, double stroke, reciprocating type pump, controlled from the cargo console in the CCR. The stripping pump can be used to drain the cargo lines and the pump room bilges to the port or starboard slop tank, to shore via the 125mm line (MARPOL line), or if necessary to…
Normally on oil tankers the main cargo pump system consists of three vertical centrifugal single stage double suction type cargo pumps. They are situated at the bottom of the pump room and are driven by a single stage Curtis steam turbine and intermediate shaft passing into the pump room through a gas tight bulkhead gland….
The foam system supplies foam to eight monitors at various points on upper deck. The liquid foam making chemical is stored in a 3.7m3 tank located inside the hydraulic pump unit, foam tank room and fire control station in side accommodation on the upper deck. The foam is made by discharging a portion of the…
Cooling for the meat/fish, vegetable and dairy rooms is provided by a direct expansion R-404a refrigeration system. The plant is automatic and consists of two compressors, two condensers and an evaporator coil in each of the three cold and cool rooms; the lobby is cooled by the refrigerant return coil from the vegetable room. During…
The air conditioning system is designed to cool air if required, provide heating to the air when needed and humidify the air to the correct level for comfort. A by product of air conditioning is the lowering of the air’s dew point and precipitation of moisture out of the air and making it dryer. A…