... P=1.5-160kw D=40-150mm DL(DLR)Vertical Multi-grade pumps for wastewater treatment deviceOverviewDL (DLR) type pump ... similar to the use of liquid water. DL, DLR vertical multistage pumps are mainly used to water supply for high buildings, ... than 120 oCProduct featuresDL (DLR) vertical multistage pumps, compact structure, small volume, beautiful shape, its vertical structure decided to install cover ...