... Water Pump is mini centrifugal pumps of single type; they are widely used for pumping and draining in const RB series ... and draining in const- ruction building sites, tunnels, culverts,water reservoir, etc, also for wastewater discharging in industry, ... operate,large flow quantity and high delivery lift RB series Inserting vibrator water pump /RBMODELDischarg Diameter (mm)HeadFlow (m3/h)Length ...