Rubber hoses and hose assemblies for petroleum drilling well control equipments
全国橡胶与橡胶制品标准化技术委员会(SAC/TC 35)
本标准规定了石油钻井井控设备用橡胶软管及软管组合件的分类、材料和结构、尺寸和公差、技术要求、试验频次、标志、包装及运输和贮存等要求。
本标准适用于输送GB/T 7631.2规定的HM、HS等油基液压流体，工作环境温度为-40 ℃～+60 ℃的橡胶软管及软管组合件。
This standard is the original Chinese electronic standard.
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