Spacer element for guiding streams in devices for filtering and separating media by reverse osmosis and ultra-filtration comprises protrusions with a surface aligned parallel to the a further surface

摘要

Spacer element (11) comprises protrusions with a surface aligned parallel to the a further surface. Preferred Features: The protrusion surface is planar and rounded in the edge region. The protrusion surface has a rectangular or trapezoidal contour. A number of openings are provided around a central hole (12) with the medium passing through the openings.