This Edwards coarse screened centering ring (2.5 mm mesh) is used to filter the vacuum flow and keep objects from being sucked into the nEXT400D or nEXT730D turbo pump. This screen has a flange size of ISO-K 160. Depending on the gas used, some pump speed reduction will occur when using this screen. This coarse screen centering ring has Edwards part number B80000825.
This screen fits:
- nEXT400D with ISO-K 160 inlet, Edwards pump part number: B83200300
- nEXT730D with ISO-K 160 inlet, Edwards pump part number:: B8J200300