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J61Y 锻钢截止阀
二、J61Y锻钢截止阀--设计结构和特征 截止阀的设计与制造符合API602,BS5352和ASME B16.34。 检验与测试按API 598,标记按MSS-SP-25。 螺栓连接、缠绕垫片密封式阀盖,螺纹连接、全焊密封式阀盖以及螺纹连接内压自紧式阀盖 整体式上密封座 承插端符合ASME B16.11 螺纹连接 ...
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