... used in the dredge of silt, ore pulp, coal liquid, river, port and so on. Working conditions 1.Power supply : 50 ... vibration or shock Application: 1.Absorb the sand in the river, lake and sea.2.Absorb the silt and sand in ... the river, lake, sea, reservoir , pound , electric power plant .3.Absorb ... if have any question. Heavy duty sand suction pump with high quality