标准摘要
[中文适用范围]： 本文件规定了铸铁螺旋弹簧油控环（DSF-C、SSF、GSF、DSF、SSF-L、DSF-NG 和 DSF-CNP 型）的基本尺寸特征。它适用于尺寸为 60 毫米至 160 毫米的活塞环，包括道路车辆往复式内燃机和其他应用。 [外文原描述]： This document specifies the essential dimensional features of coil-spring loaded oil control rings made of cast iron, types DSF-C, SSF, GSF, DSF, SSF-L, DSF-NG and DSF-CNP. It is applicable to those piston rings in sizes 60 mm up to 160 mm, inclusive for reciprocating internal combustion engines for road vehicles and other applications.
英文名称Internal combustion engines — Piston rings — Part 2: Coil-spring-loaded oil control rings of narrow width made of cast iron