The main function of Spiral dewatering machine (KT202) is for dewatering from sludge.It has two working area,thickening zone and dewatering zone,by moving ring and change the screw spiral pitch to press the sludge and succeed in dewatering. It has played high performace on sludge in biological treatment pond, oil sludge and activated sludge in poultry industry.Features:To dewater low concentrated sludge and high concentrated sludge. Low construction costs Self-clearing, less water volume  Dewater oil sludgeWork continuously, maintained easily Compact design, small volume, low power, little noise vibration, safe operation. Materials: SS 304 or SS316