The plate heat exchanger is composed of a set of corrugated parallel metal plates having passage holes at the four corners of the plate, the plates being clamped to a fixed plate with a connecting pipe on one side and a movable pressing The frame plate is clamped with clamping bolts. The connecting tubes are aligned with the passage holes in the plate and connected to the external lines of the two liquids that are heat exchanged. The heat transfer plates and the movable compression plates are suspended below the top load beam and aligned by the bottom beam. . Heat transfer plates, gaskets, compression plates, guide rails and clamping bolts are the main components of the plate heat exchanger.Gasketed plate heat exchangers are widely used in metal industry for cool the quenching oil, cool the plating solution, cool the reducer lubricant, cool the rolling mill, and draw the machine coolant.