This Leybold coarse screened centering ring (3.2 mm mesh) is used to filter the vacuum flow and keep objects from being sucked into the TURBOVAC turbo pump. This screen has a flange size of CF 4.5 Inch. Depending on the gas used, some pump speed reduction will occur when using this screen.
This screen fits:
·TURBOVAC 90i with CF 4.5 inch inlet, Leybold pump part number: 810041V1000
This fine screen centering ring has Leybold part number 800132V0011.