Sieve Shaker Table Top : Alpha Chem is manufactures,exporter & suppliers Sieve Shaker Table Top. Sieve Shaker Table Top : Fitted with a FHP motor. It can accommodate six sieves of 6” to 8” dia. Speed can be regulated through a continuously variable speed regulator fitted to the unit. To work on 220230 volts A.C. Our range is available at market leading prices. To hold the sieves eight in number. Totally adjustable to give the spring action shaking with Automatic 0-60 minutes Timer.