he screening elements can be either wedge wire spaced at 0.5-6mm, or 1-6mm perforated drums. Depending on the aperture size selected and the screen diameter(screen basket diameter of up to 3000mm are available), the throughput can be individually adjusted to specific site requirements. The Rotary Drum Screen is completely made of stainless steel and can be installed either directly in the channel or in a separate tank.