


nXDS-TSK by Edwards (part number A73501801) is the official tip seal replacement service kit for all nXDS series dry scroll vacuum pumps — nXDS6i through nXDS20i and all C and R variants. The kit enables field-level minor rebuild of the vacuum pump's primary wear component with minimal special tooling, restoring ultimate vacuum performance without depot service. Compatible with all nXDS pump variants in the 6–20 m³/h range.