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Shanghai Empire Mechanical Engineering Co.,Ltd is one of the leading China semi welded plate heat exchanger plate cassete manufacturers, welcome to wholesale semi welded plate heat exchanger plate cassete from our factory.
The semi-welded plate for PHE is specially offered for aggressive media. Generally, two pieces of PHE stainless steel plates are welded back to back by laser along the sealing groove for the gasket to form the plate cassette. Each cassette is sealed with a gasket. The refrigerant flows from one cassette to the other, contacting with only two of the four ring gaskets at the inlet and the outlet.