Function
1. Seal the compressed gas and the combustion gas to prevent the gas from flowing into the cooling water and the oil chamber;
2. Support and guide the piston, and control the movement trajectory of the piston.
1. Wet cylinder liner, with the outer wall directly in contact with cooling water, achieving high cooling efficiency and being a mainstream structure for marine engines;
2. The outer circle has multiple sealing ring grooves, combined with water-blocking rings to prevent water leakage;
3. The inner wall is ground with a mesh pattern for oil storage, continuously maintaining lubrication and reducing the risk of cylinder scoring;
4. An independent replaceable structure, after wear, it can be replaced separately without the need for an overall replacement of the engine body;
5. Resistant to seawater corrosion and high-temperature impact, suitable for long-term continuous full-load operation of ships.
Performance parameters
• Cylinder diameter: 170 mm
• Applicable conditions: continuous high power, alternating heat load;
• Working temperature: instantaneous combustion high temperature on the inner wall, long-term water cooling on the outer wall;
• Core performance: wear-resistant, anti-thermal fatigue, anti-pitting (key indicator in seawater cooling conditions), small deformation;
• Lifespan: Original factory parts can last 15,000 - 25,000 hours with normal maintenance; aftermarket parts generally have a shorter lifespan.
One-stop To Factory in China
Alloy cast iron (boron alloy cast iron), centrifugal casting, inner surface hardened and honed.
FAQ
Q: Is it wet type or dry type liner?
A: Wet cylinder liner. Outer surface contacts cooling water directly, with grooves for rubber sealing rings.
Q: Which engine models fit this liner?
A: Fit for X6170, 6170ZC, 8170ZC marine main engine and generator set engine.
Q: What's the main failure point for this liner?
A: Cavitation erosion on outer wall, scuffing / bore polishing on inner surface, crack caused by thermal fatigue.
Q: Is this OEM or aftermarket?
A: We supply original OEM and qualified aftermarket options for your selection.
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