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通用阀门 铁制旋启式止回阀(4)_阀门标准

通用阀门 铁制旋启式止回阀(4)

螺栓孔直径d 位置度公差φt
11.0~17.5 ≤1.0
22.0~30.0 ≤1.5
33.0~48.0 ≤2.6
56.0~62.0 ≤3.0
文章来源:中国泵阀网

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