END-PIECE & PLATE HEAT EXCHANGER COMPRISING, AND METHOD OF MAKING, SUCH END-PIECE

摘要

An end-piece for a plate heat exchanger comprises a frame part having an inner portion, an outer portion and an intermediate portion arranged between the inner and outer portions. An outer wall surface of the inner portion faces a first surface of a package of heat transfer plates comprised in the plate heat exchanger. The first surface has a center portion and a peripheral portion encircling the center portion. The frame part is extruded and the intermediate portion of the frame part comprises a first number of cavities extending in an extrusion direction of the frame part. The extrusion direction is parallel to an axis of the frame part. Further, outer dimensions of the outer wall surface of the inner portion are at least as large as outer dimensions of the center portion of the first surface of the package of heat transfer plates.

主权项

1. An end-piece (4, 90) for a plate heat exchanger (2, 88) comprising a frame part (8, 102), which frame part has an inner portion (42, 14, 116), an outer portion (44) and an intermediate portion (46) arranged between the inner and outer portions, an outer wall surface (48, 15, 128) of the inner portion being arranged to face a first surface (17, 140) of a package (12, 110) of heat transfer plates (13, 112) comprised in the plate heat exchanger, said first surface having a center portion (23, 145) and a peripheral portion (25, 147) encircling the center portion, characterized in that the frame part is extruded, the intermediate portion of the frame part comprises a first number of cavities (52) extending in an extrusion direction (D) of the frame part, which extrusion direction is parallel to an axis (C) of the frame part, and outer dimensions (x1, x2) of the outer wall surface of the inner portion are at least as large as outer dimensions (x2, y2) of the center portion of the first surface of the package of heat transfer plates.