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Home / Case Studies / Metering pump plunger life ×4 :: Pump & Valve

Metering pump plunger life ×4

Problem

A European dosing-equipment maker saw hardened-steel plungers score within months on abrasive media.

Solution

Mirror-lapped Y-TZP zirconia plunger-sleeve pairs, clearance held at micron level.

Result

Service life roughly quadrupled; dosing drift eliminated between maintenance intervals.

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