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Chinese Standard: GB/T 1149.14-2008

Internal combustion engines—Piston rings—Part 14:Coil-spring-loaded oil control rings

IDT  ISO 6626:1989

全国内燃机标准化技术委员会(SAC/TC 177)

GB/T 1149的本部分规定了活塞环型号为DSF-C、DSF-CNP、SSF、GSF、DSF、DSF-NG和SSF-L的螺旋撑簧油环的基本尺寸特征。
螺旋撑簧油环的铸铁环体推荐采用 ISO 66213规定的级别为10的材料,有特别要求的可选用级别为20~50的材料。
油环表面和相应的撑簧槽设计,可根据制造厂的推荐,选用普通型或镀铬型。

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