PERFORATED AREA: Ø 49 mm area optimized in relation to the shape of the filter.
NUMBER OF HOLES: 715 HE spacing (E) The number and distribution of the perforations are designed to balance the delivery in relation to the height and shape of the filter and perforated area.
HOLE DIAMETER: 0.30 mm
SHAPE OF THE HOLE: CIRCULAR with CONICAL cross section.
COMPETITION PERFORATION: Relaminated and Recalibrated.
FINISHING TUMBLING: Wet vibrofinishing with ceramic inserts and drying with corncob PICKLING: Passivation and preparing of the material ELECTROPOLISHING: smooth surface with unmatched sanitary and non-contaminating qualities is obtained.