Edwards Coarse Centering Ring Inlet Screen (2.5 mm), Splinter Guard, fits nEXT400D and nEXT730D Turbo Pumps with CF 8.0 in. Flange.
Edwards Part Number: B80000823.

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 CF 8.0 Inch. Depending on the gas used, some pump speed reduction will occur when using this screen. This coarse screen centering ring has Edwards part number B80000823.

This screen fits:

nEXT400D with CF 8.0 inch (DN 160 CF) inlet, Edwards pump part number: B83200400
nEXT730D with CF 8.0 inch (DN 160 CF) inlet, Edwards pump part number: B8J200400