Designed to carry upto 7 sieves of 8" dia. Driven by 1 4 HP electric motor, through reduction gear, Sieves table does not rotate but is inclined from the vertical axis the direction. Addition to the Gyratory motion of the table, there is an upward and downward movement ensuring that each square inch of the sieve is utilized, Whole gear mechanism runs is an oil bath, To work on 220 230 volts single phase A.C, Supplied complete with adaptor for 8" sieves but without test sieves.