This Pfeiffer coarse inlet screen (4.0 mm mesh) is used to filter the vacuum flow and keep objects from being sucked into the HiPace 450 or 700 turbo pumps. This screen has a CF 8.0" flange size. Depending on the gas used, some pump speed reduction will occur when using this screen. This coarse screen centering ring has Pfeiffer part number: PM 016 339.
This screen fits:
- HiPace 450 with Conflat CF 8.0" flange, Pfeiffer pump part number: PM P070 511 40
- HiPace 700 with Conflat CF 8.0" flange, Pfeiffer pump part number: PM P03 934