QH69 shot blast machine The series belongs to roller-type blast cleaning machine,mainly used for buildings,bridges and other industries with large I-BEAM,H-BEAM steel sructure such as size pieces of high stress and the elimination of cleaning the surface rust . itemunitQH698QH6912QH6915QH6918EFFECTIVE CLEAN-UP WIDTHmm800120015001800ROOM SIZE BODY FEEDmm1000x15001400x17001700x17002000x1800CLEAN UP THE LENGTH OF WORKPIECE SIZEmm1200-120001200-130001500-130002000-13000CLEAN UP OF WORKPIECE SIZEmm800x12001200x15001500x15001800x1600TRANSMISSION SPEEDm/min0.5-40.5-40.5-40.5-4SHOT VOLUMEkg/min8x1258x1808x1808x250THE FIRST TIME INTO THE VOLUMEkg4000500050006000VENTILATIONm3/h20000220002500025000TOTAL POWERkw90130180180