J2004: Internal Combustion Engines--Piston Rings--Expander/Segment Oil Control Rings - SAE International
Browse Standards J2004_199009
Historical ISSUED 1990-09-01

Internal Combustion Engines--Piston Rings--Expander/Segment Oil Control Rings J2004_199009

This SAE Standard is equivalent to ISO Standard 6627 TR. Differences, where they exist, are shown in Appendix A with associated rationale. This SAE Standard specifies the dimensional features of commonly used oil control rings having two steel segments (rails) separated and expanded by one steel expander/spacer. The segments vary in width from 0.4 to 0.6 mm. The assembly width ranges from 2.5 to 4.75 mm. The 4.75 mm width is equivalent to existing 3/16 in applications. Expander design will vary considerably with piston ring manufacturer. The total circumferential deflection and the piston groove depth should be considered when designing these oil rings to optimize the fit of the ring assembly into the piston groove. This document applies to oil control rings up through 125 mm for reciprocating internal combustion engines. It may also be used for piston rings of compressors working under similar conditions.
J2004_200806
2008-06-30
Latest
Canceled
J2004_199804
1998-04-01
Historical
Reaffirmed
J2004_199210
1992-09-01
Historical
Revised
J2004_199009
1990-09-01
Historical
Issued

SAE MOBILUS

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