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Why is piston ring gap important in the Turbocharger?

Why is piston ring gap important in the Turbocharger?

24 Jun 2022

These piston rings in turbocharger are designed to reduce oil blow by of the turbine (rear) seal and can withstand extreme temperatures caused by your turbocharger.


Because the ring material will expand as the temperature rises. If the gap is too small, the ends of the ring may collide which can lead to the ring breaking, scoring the bore, and eventually lead to complete breakdown.

On the contrary,If the gap is too large, it is difficult to achieve the sealing effect, resulting in oil leakage.


For turbo pistons of turbine sides, Refone's working gap can be reduced to between 0.05-0.15 inches.

For turbo pistons of compressor sides, Refone's working gap can be between 0.03-0.13 inches.


At the same time, in order to adapt to the high temperature when the turbocharger works, M2/tungsten steel is used for the piston at the turbo end, and 3Cr13 steel is used for the compressor end.


Refone also provides modification services. Ring Bore Dia, Axial width, Radial width can be customized according to demand.

Feel free to contact Refone and let us know your customization needs.


Why is piston ring gap important in the Turbocharger?

 
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