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法兰连接阀门结构长度公差标准_阀门标准
|
单位为毫米 |
|
|
结构长度 |
极限偏差 |
|
≤250 |
±2 |
|
＞250～500 |
±3 |
|
＞500～800 |
±4 |
|
＞8000～1000 |
±5 |
|
＞1000～1600 |
±6 |
|
＞1600～2250 |
±8 |
|
≥2250 |
±10 |
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