PORTHOLE GASKET FOR A PLATE HEAT EXCHANGER, A PLATE PACKAGE AND A PLATE HEAT EXCHANGER WITH SUCH A PORTHOLE GASKET
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United States of America Patent
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app pub date -
Sep 21, 2015
filing date -
Sep 26, 2014
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Abstract
A porthole gasket is configured to seal a circumferential region around two overlapping portholes in two adjacent heat exchanger plates of a plate heat exchanger, so as to define a passage for a fluid into or out of the plate heat exchanger. The porthole gasket has a ring-shaped portion to be compressed between the two adjacent heat exchanger plates while surrounding the overlapping portholes. The porthole gasket further comprises a plurality of projections that protrude from an outer perimeter of the ring-shaped portion and are configured to be compressed between the two adjacent heat exchanger plates so as to support the ring-shaped portion against pressure exerted by the fluid. A plate package for a plate heat exchanger is configured to include the two adjacent heat exchanger plates and the porthole gasket.
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