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Oil Control Ring
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Oil Control Ring
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Piston Rings are subject to wear as they rub up and down the cylinder bore. To minimize this, BECO Piston Rings are made of wear resistant materials (cast irons and steels) and coated or treated to enhance the wear resistance. Typically top and oil control rings are coated with Chromium or Nitrided, possibly Plasma Sprayed or have a PVD (physical vapour deposit) Ceramic coating. For enhanced scuff resistance and further improved wear most modern diesel engines will have top rings coated with a modified chromium coating. The lower oil control ring is designed to leave a film of lubricating oil a few micrometres thick on the bore, as the piston descends. Three piece oil ring, i.e. with two rails and one spacer, is used for gasoline engines.
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Oil Control Ring
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The oil control rings regulate engine oil consumption. They scrape the excess oil on the cylinder walls back to the sump through the gaps in the piston ring and the holes in the piston while retaining a very thin layer of oil from friction-free running of piston rings inside the cylinder.
oil control rings
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oil control rings, Cutter Blades, Gun Metal Bush, Steel Bush
oil control rings
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oil control rings, cam bushe
Oil Control Ring
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Oil Control Ring, piston ring spring
Oil Control Ring
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Oil Control Ring, Motorcyle Rockers Pin, Motorcyle Disc Brake, Cylinder Kits
