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Piston Rings
PISTON RINGS FOR MARINE & INDUSTRIAL DIESEL ENGINES – 2-STROKE & 4-STROKE – COMPRESSION, OIL CONTROL & SCRAPER RINGS – NEW, RE-CONDITIONED & GENUINE SPARES
Type
Compression / Oil Control / Scraper Rings
Material
Alloy Cast Iron, Ductile Iron, Steel
Bore Range
Ø 120 mm – Ø 980+ mm
Brands
MAN, Wärtsilä, Caterpillar, Cummins, Yanmar, Daihatsu, MAK
Full Technical Specifications ▶
| Parameter | Value / Range |
|---|---|
| Ring Types | Compression rings, oil control rings, scraper rings, CPR (Controlled Pressure Relief) |
| Engine Type | 2-stroke crosshead engines, 4-stroke trunk piston engines |
| Material Grades | Alloyed cast iron, ductile iron, martensitic steel |
| Surface Treatment | Chrome plated, ceramic coated, plasma sprayed, nitrided, PVD coated |
| Bore Diameter | 120 mm – 980+ mm (large bore marine engines) |
| Ring Profiles | Rectangular, keystone, barrel-faced, taper-faced, asymmetric |
| Features | Anti-polishing design, controlled oil scraping, scuffing resistance |
| Services Available | New OEM/aftermarket rings, reconditioning, custom sizing, ring set supply |
| Compliance | Class approved (DNV, ABS, BV, LR), OEM specifications & emission standards |
| Applications | Main propulsion engines, auxiliary engines, gen-sets, power plants |
High-performance piston rings designed for marine and industrial diesel engines, suitable for both 2-stroke and 4-stroke applications. Available as complete ring sets or individual rings, including compression, scraper, and oil control types. Manufactured with advanced materials and surface coatings to withstand high temperatures, heavy fuel oil (HFO), and low-sulphur fuel operations while reducing blow-by, liner wear, and lubricating oil consumption. Supplied for MAN B&W, Wärtsilä/Sulzer, Caterpillar, Cummins, Yanmar, Daihatsu, MAK, Bergen, and equivalent engines. Services include custom sizing, ring gap correction, performance upgrades, and full class-approved inspection with documentation.
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