标准编号：ISO 6626-3:2019
中文名称：内燃机 活塞环 第3部分：钢制螺旋撑簧油环
英文名称：Internal combustion engines — Piston rings — Part 3: Coil-spring-loaded oil control rings made of steel
发布日期：2019-09
标准范围
This document specifies the essential dimensions of coil-spring-loaded oil control rings made of steel,
of piston ring types SOR (with R-shaped groove) and SOV (with V-shaped groove).
This document applies to coil-spring-loaded oil control rings made of steel with a diameter from 60 mm
up to and including 160 mm for reciprocating internal combustion engines. It can also be used for piston
rings in compressors working under analogous conditions.
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