Alfa Laval Corporate Ab

Otto Jensen

Jens Folkmar Andersen

A valve disc gasket for use in a fluid flow control valve includes a frustoconical, ring-shaped body part having a plurality of circumferentially distributed asymmetrical, through-going openings and/or slits and/or asymmetrical protrusions, wherein an internal surface of the respective asymmetrical through-going opening and/or slit forms a vane surface and/or wherein an external surface of the respective asymmetrical protrusion forms a vane surface, wherein the asymmetrical through-going openings and/or slits and/or protrusions are asymmetrical at least in the sense that respective through-going opening or slit and/or protrusion is asymmetric relative to any radial plane intersecting the respective through-going opening or slit and/or the respective protrusion. Also disclosed is a fluid flow control valve and a method for cleaning a fluid flow control valve.

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Aabreraa, Denmark

Otto Jensen