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DRW Decanter Centrifuge Machine Components / Scroll Back-drive Transmission OptionsHaving the ability to adjust the scroll differential speed and maintain consistent back-drive torque control is essential to
optimal performance. In centrifuge operation, the torque on the scroll back-drive expresses the pressure applied to squeeze theliquid phase out of the solid phase. Too much scroll back-drive torque and the liquid will come rushing out the solids discharge, not enough and you won’t get a SHENZHOU Hydraulic back-drives are typically preferred over electric back-drives because they offer better torque control and a flat performance curve per the graph. However SHENZHEN offers the DRW range of decanter centrifuges witha selection of different back-drive transmission types to meet specific customer and / or application requirements.