ST, SU trailer motor-driven trash pumps are used at construction sites to ... Iron, ADI, CD4MCU, 316 SS, Alloy 20, C276. Data Sheet: Type: ST-2Inlet, outlet: 2"Max. throught solids: 44.45mmHead: 5m ... :850rpm~ 1950rpmRepriming lifts: 2.4m~ 4.5m Pump with motor trailer