Chinese Standard: GB/T 34028-2017

Valve stem reciprocating seals of engine and performance test method

全国橡胶与橡胶制品标准化技术委员会(SAC/TC 35)

本标准规定了发动机气门导杆往复油封（以下简称“气门油封”）的基本结构、参数代号及标记、要求、检验规则、标志、包装、运输和贮存。

本标准适用于燃油和燃气发动机的气门导杆往复油封。

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