Size: Standard and customized

Sample: available

Service: OEM Service Availables

A piston ring is a metal elastic ring with a large outwardly expanding deformation, which is assembled into an annular groove corresponding to its profile. Reciprocating and rotating movement of the piston ring, relying on the gas or liquid pressure difference, between the ring outer circular surface and the cylinder and the ring and ring groove of a side to form a seal. Piston rings are categorized as follows:
1. Integral structure: by casting or integral molding process;
2. combination rings: piston rings consisting of two or more parts assembled in one ring groove;
3. slotted oil rings: oil rings with parallel sides, with two contact ring banks and oil return holes;
4. slotted helical spring oil ring: in the slotted oil ring with a helical spring oil ring. Spreader springs can increase the radial specific pressure, the force on the inner surface of the ring is equal. Commonly used in diesel engine ring;
5. steel belt combination of oil ring: by the liner ring and two pieces of scraping ring combination into the oil ring. The design of the liner ring varies with the manufacturer, commonly found in gasoline engine rings.