| 165 / | HD | HEAT EXCHANGE |
|
| DIG 355 | DD | HAVING SEPARATE FLOW PASSAGE FOR TWO DISTINCT FLUIDS {7} |
| DIG 356 | DD | .~ Plural plates forming a stack providing flow passages therein {11} |
| DIG 387 |  | .~.~ Including side-edge seal or edge spacer bar {5} |
| DIG 388 | DD | .~.~.~> Including spacer bar transverse to plate stack |
| DIG 389 | DD | .~.~.~> Flow enhancer integral with side-edge seal or edge spacer bar |
| DIG 390 | DD | .~.~.~> Flange element to connect two adjacent heat exchange plates |
| DIG 391 | DD | .~.~.~> Including intermediate corrugated element |
| DIG 392 | DD | .~.~.~> Unitary heat exchange plate and projecting edge |