Technology
Wedge wire is a welded stainless steel construction mainly used for filtration, separation and retention of media. It is made of surface profiles, usually V-shaped, that are resistance welded onto support profiles.
The distance between the surface profiles is controlled very accurately and forms the slot opening through which the filtrate flows.
FOTI – FITO
The direction of the filtering flow is determined by the position of the surface profiles in relation to the support profiles. Wedge wire tubes are either flow out to in (FOTI) or flow in to out (FITO).
Wedge wire advantages
Non-clogging: the continuous slot formed by the V-shaped surface wires ensures a two-point contact between the particles and the slot, which minimizes clogging
High-precision slot sizes
Surface filtration: the V-shaped wires allow easy cleaning by mechanical scraping or back flushing
Longer life time
Low pressure drop
Strong construction: for most applications, the wedge wire screens are self-supporting
Engineered to high standards