It contains of well-designed condenser with nozzles to cover entire cross section of vapor space with spray water without empty pockets.
It helps in reducing the approach temperature between vapor and tail pipe water.
The non-condensable gases are evacuated by the ejector attached to the out shell of condensor. As there is no heat transfer in ejectors, the water used in ejector need not go to cooling tower or spray pond.
There is considerable saving of energy in this type of condensers.
No vacuum pumps and also no associated maintenance.