The outside walls of the bowl consist of gratings or perforated plates through which fine product can pass.
Air enters into a ring near the base which is protected by gauze or perforated plate.
On top of the funnel-shaped part there is a cylinder with a perforated plate separating it from the funnel.
The liquid to be filtered is poured into the cylinder and drawn through the perforated plate by vacuum suction.
Prefiltered water is delivered to a perforated plate (drip plate).
A plate strainer is the simplest, in which water flows through a perforated plate.
A typical unit consists of a dished vessel with a perforated plate.
Older models make use of perforated (or mesh) plates, rather than solid plates.
There is a variety of perforated plates have entered the market.
The reader is cautioned to review the performance of the chosen perforated plate carefully prior to installation.