2 KAF-S spindle motor actuated 20" Krone Bernoulli Filters for 2500-3000 m3/h 500 micron filter degree superduplex weged wire mesh URANUS B52N+/ vessel design built acc. ASME VIII Div. 1 - U-stamped / delivered to a power plant on the Nile river. The units are controlled by redundant Rockwell CPU´s and modern diaphragm dp measurement systems surveills the differential pressure.