Piston Ring C240

Piston Ring is a metal Ring used to insert the inner Piston groove, Piston Ring is divided into two types: compression Ring and oil Ring.
1 Compression Ring can be used to seal the combustion chamber combustible mixture of gas.
2 The oil ring is used to scrape excess oil from the cylinder , Piston ring role includes sealing, oil regulation (oil control), heat conduction (heat transfer), guide (support) four roles.