... )Speed adjusting function 4)Compact structure & long service life liquid mixer machine Basic structure Motor, reducer, coupling, stander, shaft, impeller, bottom ... )Length(mm)Dia of impeller (mm)JBJ-8000.75-1.18-20481500-2000800JBJ-12000.75-1.56-20571500-30001200JBJ-15000.75 ... -2.23-101083000-45002500JBJ-30001.5-33-101083000-50003000 liquid mixer machine