Chinese Standard: GB/T 13403-2008

Gaskets for large-diameter steel pipe flanges

全国管路附件标准化技术委员会

本标准规定了大直径钢制管法兰用垫片的型式和尺寸、要求、标记和标志、检验和包装、运输及贮存。
本标准适用于NPS26～NPS60，Class150～Class900的大直径钢制管法兰用缠绕式垫片、柔性石墨波齿复合垫片和Class150～Class300的非金属平垫片、金属冲齿板柔性石墨复合垫片。

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