NPK Tornado centrifugal shifter shaft belt driven by 0.18/0.22 kw, 3 phase, 50/60 Hz, 220-240/380-420/250-280/440-480 volt, 1330/1610 rpm 2-speed motor 400mm diameter changeable mesh screen hindged clamped front door, pulse air pipe with rotary joint, openings: 1-150mm raw materials supply port, 1-100mm fine dust discharge port, 2-50mm coarse dust discharge ports, 9-25mm secondary air suction ports. unit with Rietschle type DFT-100 (02) dry running compressor serial #1942177, rated 100-120 cu.m/hr, 1.0/+0.9 bar