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Chinese Standard: GB/T 27571-2011

Rubber hose and hose assemblies for conveying concrete

全国橡胶与橡胶制品标准化技术委员会软管分技术委员会(SAC/TC 35/SC 1)

本标准规定了公称内径为102~152的输送混凝土用橡胶软管及软管组合件的分类、结构、尺寸和公差、要求、试验频次、标志、包装运输和贮存。
本标准适用于在-30 ℃~+70 ℃的环境温度下使用的以正、负压输送混凝土、泥浆的橡胶软管(以下简称软管)及软管组合件(以下简称组合件)。

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