... The rotary cutter head at the inlet of the suction pipe cuts and loosens the sand/mud layer to form sandwater ... ³/hMain Power 720 kwDischarge Distance 800 m Mud PumpSuction Pipe : 400 mmDischarge Pipe : 300 mmProduct FeatureFor sand production , river maintenance,etcReliable ... 1994 , now we have developed a dominant role in the dredge manufacturing industry and expand our market to more Russia , Korea ...