PU is a machine used for the pretreatment of of wastes from cesspool, received from a tank truck connected to the machine by a quick connection pipe (Perrot) DN100.
It can combines up to three processes at a time: screening; grit removing; grease removing.
The screened wastewater reaches the sedimentation tank, where grits settle down and then are collected until the accumulation pit by a screw conveyor rotating in at the tank’s bottom.
Grits are extracted by the inclined screw conveyor. The inlet valve is electrically controller.
A built-in stone trap avoids big stone/particles to reach the screen.
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