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对夹连接刀型闸阀结构长度标准_阀门标准
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单位为毫米 |
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公称通径 |
公 称 压 力 PN≤2.0 MPa |
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|
DN |
结 构 长 度 |
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|
50 |
48 |
40 |
40 |
|
65 |
— |
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|
80 |
51 |
50 |
50 |
|
100 |
|||
|
125 |
57 |
||
|
150 |
60 |
60 |
|
|
200 |
70 |
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|
250 |
70 |
70 |
|
|
300 |
76 |
80 |
|
|
350 |
80 |
92 |
|
|
400 |
89 |
120 |
|
|
450 |
90 |
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|
500 |
114 |
132 |
|
|
600 |
110 |
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基本系列 |
J16 |
J17 |
J18 |
| 注：结构长度的极限偏差为±1.6mm | |||
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