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Flow Stabilizing Slurry Tolerant High-Pressure Tolerant Ceramic Cylinder Liner. Dual-Layer Construction: 45# carbon steel outer sleeve with high-purity zirconia ceramic inner layer. Extended Service Life: Over 4000 hours continuous work, 5-10 times longer than bimetal liners. Superior Wear Resistance: Resists grinding from sharp particles like cuttings, quartz sand, and iron ore. High-Pressure Tolerance: Designed for demanding drilling applications with exceptional hardness. Corrosion & Heat Resistance: Withstands highly corrosive media and high-temperature downhole conditions. Universal Interchangeability: 100% interchangeable with liners of major mud pump brands. OEM/ODM Support: Full customization available from samples or designs.