JB／T 8527-1997 金属密封蝶阀.pdf

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JB／T 8527-1997 金属密封蝶阀.pdf

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J16 JB/T 8527－1997 金属密封蝶阀 1997-04-15 发布 1998-01-01 实施中华人民共和国机械工业部发布 JB/T 8527－1997 目次前言 1 范围····················································································································································································································1 2 引用标准·········································································································································································································1 3 定义····················································································································································································································1 4 型号和参数····································································································································································································2 5 结构型式·········································································································································································································2 6 技术要求·········································································································································································································4 7 试验方法·········································································································································································································8 8 检验规则·····················································································