VALVE INSERT


The introduction of aluminum cylinder caps greatly increased the importance of the inserts. 

The cylinder head, together with the valves, provides the sealing of the combustion chamber. The inserts prevent the valves from hitting the cylinder caps and scraping it. 


The inserts absorb the portion of the combustion chamber heat transferred to the valve. The inserts transmit this heat they absorb to the cylinder head. In order to meet the different conditions they are subjected to, the most appropriate combination of material selection for the inserts must be found. Not only the operating conditions in the engine, but also the conditions for the rectifier to work with the material must be taken into account.



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