
| 
             公称通径 DN  | 
            
             管子外径 Dw  | 
            
             外形尺寸  | 
            
             法兰连接尺寸  | 
        ||||||||
| 
             0.6MPa  | 
            
             1.0MPa  | 
        ||||||||||
| 
             L  | 
            
             △L  | 
            
             D  | 
            
             D 1  | 
            
             n-Th.  | 
            
             b  | 
            
             D  | 
            
             D 1  | 
            
             n-Th.  | 
            
             b  | 
        ||
| 
             65  | 
            
             76  | 
            
             200  | 
            
             40  | 
            
             160  | 
            
             130  | 
            
             4-M12  | 
            
             16  | 
            
             185  | 
            
             145  | 
            
             4-M16  | 
            
             20  | 
        
| 
             80  | 
            
             89  | 
            
             190  | 
            
             150  | 
            
             4-M16  | 
            
             18  | 
            
             200  | 
            
             160  | 
            
             8-M16  | 
            
             22  | 
        ||
| 
             100  | 
            
             114  | 
            
             210  | 
            
             170  | 
            
             220  | 
            
             180  | 
            
             24  | 
        |||||
| 
             125  | 
            
             140  | 
            
             240  | 
            
             200  | 
            
             8-M16  | 
            
             20  | 
            
             250  | 
            
             210  | 
            
             26  | 
        |||
| 
             150  | 
            
             168  | 
            
             265  | 
            
             225  | 
            
             285  | 
            
             240  | 
            
             8-M20  | 
        |||||
| 
             200  | 
            
             219  | 
            
             320  | 
            
             280  | 
            
             22  | 
            
             340  | 
            
             295  | 
            
             28  | 
        ||||
| 
             250  | 
            
             273  | 
            
             375  | 
            
             335  | 
            
             12-M16  | 
            
             24  | 
            
             395  | 
            
             350  | 
            
             12-M20  | 
        |||
| 
             300  | 
            
             325  | 
            
             220  | 
            
             50  | 
            
             440  | 
            
             395  | 
            
             12-M20  | 
            
             445  | 
            
             400  | 
            
             12-M20  | 
            
             28  | 
        |
| 
             350  | 
            
             377  | 
            
             490  | 
            
             445  | 
            
             26  | 
            
             505  | 
            
             460  | 
            
             16-M20  | 
            
             30  | 
        |||
| 
             400  | 
            
             426  | 
            
             540  | 
            
             495  | 
            
             16-M20  | 
            
             28  | 
            
             565  | 
            
             515  | 
            
             16-M24  | 
            
             32  | 
        ||
| 
             450  | 
            
             480  | 
            
             595  | 
            
             550  | 
            
             615  | 
            
             565  | 
            
             20-M24  | 
            
             32  | 
        ||||
| 
             500  | 
            
             530  | 
            
             645  | 
            
             600  | 
            
             20-M20  | 
            
             30  | 
            
             670  | 
            
             620  | 
            
             20-M24  | 
            
             34  | 
        ||
| 
             600  | 
            
             630  | 
            
             240  | 
            
             755  | 
            
             705  | 
            
             20-M24  | 
            
             780  | 
            
             725  | 
            
             20-M27  | 
            
             36  | 
        ||
| 
             700  | 
            
             720  | 
            
             860  | 
            
             810  | 
            
             24-M24  | 
            
             32  | 
            
             895  | 
            
             840  | 
            
             24-M27  | 
            
             40  | 
        ||
| 
             800  | 
            
             820  | 
            
             350  | 
            
             60  | 
            
             975  | 
            
             920  | 
            
             24-M27  | 
            
             34  | 
            
             1015  | 
            
             950  | 
            
             24-M30  | 
            
             44  | 
        
| 
             900  | 
            
             920  | 
            
             1075  | 
            
             1020  | 
            
             36  | 
            
             1115  | 
            
             1050  | 
            
             28-M30  | 
            
             46  | 
        |||
| 
             1000  | 
            
             1020  | 
            
             1175  | 
            
             1120  | 
            
             28-M27  | 
            
             1230  | 
            
             1160  | 
            
             28-M33  | 
            
             50  | 
        |||
| 
             1200  | 
            
             1220  | 
            
             370  | 
            
             1405  | 
            
             1340  | 
            
             32-M30  | 
            
             40  | 
            
             1455  | 
            
             1380  | 
            
             32-M36  | 
            
             56  | 
        |
| 
             1400  | 
            
             1420  | 
            
             1630  | 
            
             1560  | 
            
             36-M33  | 
            
             44  | 
            
             1675  | 
            
             1590  | 
            
             36-M39  | 
            
             62  | 
        ||
| 
             1600  | 
            
             1620  | 
            
             380  | 
            
             1830  | 
            
             1760  | 
            
             40-M33  | 
            
             48  | 
            
             1915  | 
            
             1820  | 
            
             40-M45  | 
            
             68  | 
        |
| 
             1800  | 
            
             1820  | 
            
             2045  | 
            
             1970  | 
            
             44-M36  | 
            
             50  | 
            
             2115  | 
            
             2020  | 
            
             44-M45  | 
            
             70  | 
        ||
| 
             2000  | 
            
             2020  | 
            
             400  | 
            
             2265  | 
            
             2180  | 
            
             48-M39  | 
            
             54  | 
            
             2325  | 
            
             2230  | 
            
             48-M45  | 
            
             74  | 
        |
| 
             2200  | 
            
             2220  | 
            
             2475  | 
            
             2390  | 
            
             52-M39  | 
            
             60  | 
            
             2550  | 
            
             2440  | 
            
             52-M52  | 
            
             80  | 
        ||
| 
             2400  | 
            
             2420  | 
            
             2685  | 
            
             2600  | 
            
             56-M39  | 
            
             62  | 
            
             2760  | 
            
             2650  | 
            
             56-M52  | 
            
             82  | 
        ||
| 
             2600  | 
            
             2620  | 
            
             450  | 
            
             80  | 
            
             2905  | 
            
             2810  | 
            
             60-M45  | 
            
             64  | 
            
             2960  | 
            
             2850  | 
            
             60-M52  | 
            
             88  | 
        
| 
             2800  | 
            
             2820  | 
            
             3115  | 
            
             3020  | 
            
             64-M45  | 
            
             68  | 
            
             3180  | 
            
             3070  | 
            
             64-M52  | 
            
             94  | 
        ||
| 
             3000  | 
            
             3020  | 
            
             3315  | 
            
             3220  | 
            
             68-M45  | 
            
             70  | 
            
             3405  | 
            
             3290  | 
            
             68-M56  | 
            
             100  | 
        ||
| 
             3200  | 
            
             3220  | 
            
             3525  | 
            
             3430  | 
            
             72-M45  | 
            
             76  | 
            
             
  | 
            
             
  | 
            
             
  | 
            
             
  | 
        ||
| 
             注:本尺寸符合 GB/T12465-2002 标准  | 
        |||||||||||
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