backflush and plastic
The vent and vacuum port will automatically purge air from the
oncoming screen cavity to avoid air being passed into the melt flow.
The pressure relief port will automatically purge material from the
exiting screen cavity to ensure operator safety. The filter disc is
enclosed between two body blocks and advanced in ultra-fine angular
steps by the microprocessor control, allowing continuous rotary even
at lowest speed, while maintaining a constant pressure drop.