Dual- calandria water tank,Quadri-calandria watertank,Plastic tank,Aluminum tank,Water tank Radiator,This product, mainly applied in fresh watercooling on the ship engine, is composed of water cover at bothsides, shell body and cooling core. The cooling core consists oftube stack, guide plate and tube plate. The shell is of weldingpart or casting and fastened to water cover through bolts. Variousgaskets and sealing rings are used to ensure sealing at the freshwater side and the sea water side. Tube plate is soldered to thecooper tube.