Abstract: A heat transfer plate and/or a plate heat exchanger including the heat transfer plate includes a plate body forming a patterned section and having a first side and a second side opposite to the first side; a gasket groove formed depressed from the plate body in a direction from the first side towards the second side, and having a bottom wall, the bottom wall having a bottom wall body; and where the gasket groove includes at least a first section with a first recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the first side towards the second side, and a second section with a second recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the second side towards the first side, wherein the second section is adapted to accommodate a gasket.

Abstract: A heat transfer plate (10) for a plate heat exchanger (100) includes: a plate body (11) having a first side (111) and a second side (112) opposite to the first side (111); a gasket groove (12) formed on the plate body (11), depressed from the plate body (11) in a direction from the first side (111) towards the second side (112), and having a bottom wall (120), the bottom wall (120) having a bottom wall body (121); and a recess (20, 20?) formed on at least one segment (125, 125?) of the bottom wall body (121) in a length direction of the bottom wall body (121), depressed from the bottom wall body (121) in the direction from the first side (111) towards the second side (112), and extending along the segment (125, 125?) of the bottom wall body (121) of the gasket groove (12).

Abstract: A plate heat exchanger is described comprising a plurality of heat transfer plates 10 stacked on top of each other, wherein gaskets are positioned between adjacent heat transfer plates 10, wherein each gasket is arranged in a gasket groove 20 formed in a heat transfer plate 10 and a bottom part of the gasket groove 20 defines a base level 22, wherein the gasket groove 20 comprises a reinforcing pattern having a first recess 23 at a first recess level and extending in a lengthwise direction of the gasket groove 20. A plate heat exchanger should allow higher pressures without increasing the risk of leakages. To this end the reinforcing pattern comprises a second recess 25 at a second recess level extending in lengthwise direction of the gasket groove 20.

Abstract: The present invention relates to a heat transfer plate for a plate heat exchanger, the heat transfer plate comprising: a plate body forming a patterned section and having a first side and a second side opposite to the first side; a gasket groove formed depressed from the plate body in a direction from the first side towards the second side, and having a bottom wall, the bottom wall having a bottom wall body; and where the gasket groove includes at least a first section with a first recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the first side towards the second side, and a second section with a second recess formed on the bottom wall body, depressed from the bottom wall body in the direction from the second side towards the first side, wherein said second section is adapted to accommodate a gasket. The present invention further relates to the heat exchanger formed of such heat transfer plates.

Abstract: A heat transfer plate (10) for a plate heat exchanger (100) includes: a plate body (11) which has a gasket groove (12) with a groove wall (13, 14), the groove wall (13, 14) having a groove wall body (130, 140); and a ridge (20) disposed on the groove wall body (130, 140) of a segment (120) of the gasket groove (12) in a length direction of the gasket groove (12).

Abstract: A heat transfer plate (10) for a plate heat exchanger (100) includes: a plate body (11) having a first side (111) and a second side (112) opposite to the first side (111); a gasket groove (12) formed on the plate body (11), depressed from the plate body (11) in a direction from the first side (111) towards the second side (112), and having a bottom wall (120), the bottom wall (120) having a bottom wall body (121); and a recess (20, 20?) formed on at least one segment (125, 125?) of the bottom wall body (121) in a length direction of the bottom wall body (121), depressed from the bottom wall body (121) in the direction from the first side (111) towards the second side (112), and extending along the segment (125, 125?) of the bottom wall body (121) of the gasket groove (12).