... the channels, and complete counter-current flow is created for highest possible efficiency. The corrugation of the plates provides ... or turbines, Lubrication oil cooling, Recooling of circulated water for cooling cylinders, pistons, injection nozzles, Cooling of Baoder oil ... Steel (SUS304.316 Etc)Pure Water, Normal Water, Oil for eating, Mineral OilTi, Ti-pdSea Water, Saline Water, Mineral Water20Cr ...