... (mm)400*300600*400700*500600*700500*450Drum load(kg)1020308050Drum turn speed(r/min)7.57.5Frequency conversionFrequency conversion7.5Gun swing ... .25kw380v50hz1.5kw380v50hz2kw380v50hz4kwNote: Drum sandblasting machines roller size, roller load, roller turn speed, gun quantity, can design according to the customers request ...