... ,simple structured; 2,easy maintenance; 3,long service life. urable air motor shotcrete machine shotcrete machine, cement throwing jet is mainly used ... than 0.4conveying pipe diameter51mmmaximum transmission distance100mmconsumption of air flow7-8m 3/minworking air pressure0.2-0.4MPamotor power5.5kwvoltage380/660vmachine gauge600mm ...