Air Pump and Hot Well

Hot Well
Edwards Air Pump

These two pumps form part of the engines condensate circuit and are connected to the engine piston rod, at the point between the low pressure cylinder and the ram pumps. The water, or condensate, is drawn out of the condenser by the Edwards air pump, pictured, into the hot well. From here the hot well pump delivers it to the boiler feed pump room.

The condensate then passes through an oil separator and into the feed water tank. Separately driven steam boiler feed pumps then pass the condensate through the economiser and back into the boiler.

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