simple sand pump 1.Simple operation 2.high efficiency ,wear resistant , big flow channel 3.best price,quality and service Simple sand pumpFIRST SERIES OF PRODUCTSSize of inlet:4 inches,6 inches,8 inches,10 inchesMaterial:Cast iron, cast steelWorking method:HorizontalAdvantage:1.One part of products is self- priming, no need to pour into pilotage water. Operation is very simple.2.It has good ...