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内螺纹连接截止阀、升降式止回阀的结构长度说明_阀门标准

                                                              

                                                                              结构长度                   

                                                                                                                                                          单位为毫米

公称尺寸

DN

结构长度

偏  差

短系列

长系列

15

20

65

75

90

100

 +1.0

 -1.5

25

32

40

50

90

105

120

140

120

140

170

200

 +1.0

 -2.0

65

165

260

+1.5

 -2.0

文章来源:中国泵阀网

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