Patent ID: 7287575

Claim:
In a porthole channel of a plate heat exchanger which includes a package of heat transfer plates provided between a first plate and a second plate, the improvement comprising a device having a tubular filter member and a component for supporting the filter member in the porthole channel, wherein the filter member has an inner surface, an outer surface, a first open end, through which the component is arranged to be introduceable, and a second end, which has an annular flange extending substantially radially outwardly from the filter member, the flange being arranged to abut the surface area of one of the first or second plates, and the component includes a first part, which is constructed and arranged to be introduceable into the tubular filter member and to abut against the inner surface of the filter member, and a second part, which is constructed and arranged to abut a surface area of one of the first and second plates, and wherein the surface area extends around the porthole channel.