Edwards Fine Centering Ring Inlet Screen (1.1 mm), Splinter Guard, fits nEXT930D and nEXT1230H Turbo Pumps with ISO-K 200 Flange.
Edwards Part Number: B8J200808.

This Edwards fine screened centering ring (1.1 mm mesh) is used to filter the vacuum flow and keep objects from being sucked into the nEXT930D or nEXT1230H turbo pump. This screen has a flange size of ISO-K 200. Depending on the gas used, some pump speed reduction will occur when using this screen. This fine screen centering ring has Edwards part number B8J200808.

This screen fits:

nEXT930D with ISO-K 200 inlet, Edwards pump part number: B8K200D00
nEXT1230H with ISO-K 200 inlet, Edwards pump part number: B8N4A0D00