This type of screening machine from Mavi, here known as the universal type, has been adopted in Brazil for various purposes, like sifting chocolate granules, paint and varnish, soap powder, liquid sugar, salt, paint powder, etc.
July 2015 was a remarkable month for this type o machine.
Rotopen screeners are since 1961 the simple solution for small to medium capacities, including liquids.
Please have a look at the pictures (click on them to enlarge for more details) and the various applications possible.
For more have a look at Rotopen