The water cooled screw chiller 50 toneladas is a type of water cooled condenser chiller. Evaporator use dry type shell and tube. So we also call dry type water cooled screw chiller. Dry type water cooled screw chiller is the most widely used water cooled screw chiller in industry cooling water system.Dry screw chillers are a type of screw-type water-cooled chiller unit, as opposed to flooded chillers. The Evaporator is dry type shell and tube. Dry-type units have fewer components, simpler circuits, higher operational reliability, and can adapt to varying operating conditions.