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Piston Rings
Piston rings for aerospace reciprocating engines, encompassing compression, oil-control and scraper ring variants manufactured from cast iron, ductile iron, steel and advanced coatings such as PVD chromium nitride or thermal-sprayed molybdenum, with precision honing, lapping and surface finishing processes employed to achieve the tight dimensional tolerances and gas-sealing performance required by piston-engine certification standards.
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