| 摘要 |
A plate heat exchanger including a stack of heat exchanger plates and at least one connection plate having at least one opening with a flange extending from the plate around the opening, and a connector connecting a heat exchange medium to the connection plate opening for supplying the medium to or discharging the medium from the heat exchanger, wherein the connector is an injection-molded plastic part and the flange has crenellate protrusions which are deformed to mechanically fasten the connector to the closure plate. A reduced wall thickness defines a seat in the connection plate around the flange, and a seal is between the flange and the connection edge. The connector may have a cross-section at its connection to a supply or discharge line which is wider than the cross-section at the connection edge, and a seal is between the connector and the line in the wider cross-section.
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