国标法兰标准尺寸六英寸,法兰尺寸重量对照图-PN2.5法兰的参考质量-标准源GB
国标法兰标准尺寸六英寸,法兰尺寸重量对照图-PN2.5法兰的参考质量-标准源GB150.356100.3530.326


| 
     公称尺寸 DN  | 
     对焊法兰  | 
     带颈平焊法兰  | 
     板式平焊法兰  | 
| 
     10  | 
     0.353  | 
     0.326  | 
     0.356  | 
| 
     15  | 
     0.408  | 
     0.373  | 
     0.402  | 
| 
     20  | 
     0.621  | 
     0.584  | 
     0.592  | 
| 
     25  | 
     0.762  | 
     0.729  | 
     0.719  | 
| 
     32  | 
     1.11  | 
     1.04  | 
     1.16  | 
| 
     40  | 
     1.26  | 
     1.2  | 
     1.35  | 
| 
     50  | 
     1.43  | 
     1.34  | 
     1.48  | 
| 
     65  | 
     1.77  | 
     1.83  | 
     1.86  | 
| 
     80  | 
     2.88  | 
     2.75  | 
     2.95  | 
| 
     100  | 
     3.41  | 
     3.01  | 
     3.26  | 
| 
     125  | 
     4.65  | 
     4.3  | 
     4.31  | 
| 
     150  | 
     5.5  | 
     4.63  | 
     4.76  | 
| 
     200  | 
     8.6  | 
     6.97  | 
     6.88  | 
| 
     250  | 
     11.7  | 
     9.13  | 
     8.92  | 
| 
     300  | 
     15.3  | 
     12.4  | 
     11.9  | 
| 
     350  | 
     20.3  | 
     —  | 
     16.8  | 
| 
     400  | 
     23.1  | 
     —  | 
     19.8  | 
| 
     450  | 
     27  | 
     —  | 
     24.6  | 
| 
     500  | 
     30.8  | 
     —  | 
     26.4  | 
| 
     600  | 
     44  | 
     —  | 
     34.8  | 
| 
     700  | 
     53.7  | 
     —  | 
     —  | 
| 
     800  | 
     64.4  | 
     —  | 
     —  | 
| 
     900  | 
     79.2  | 
     —  | 
     —  | 
| 
     1000  | 
     98.6  | 
     —  | 
     —  | 
| 
     1200  | 
     104  | 
     —  | 
     —  | 
| 
     1400  | 
     133  | 
     —  | 
     —  | 
| 
     1600  | 
     188  | 
     —  | 
     —  | 
| 
     1800  | 
     215  | 
     —  | 
     —  | 
| 
     2000  | 
     260  | 
     —  | 
     —  | 
| 
     2200  | 
     332  | 
     —  | 
     —  | 
| 
     2400  | 
     392  | 
     —  | 
     —  | 
| 
     2600  | 
     497  | 
     —  | 
     —  | 
| 
     2800  | 
     668  | 
     —  | 
     —  | 
| 
     3000  | 
     772  | 
     —  | 
     —  | 
| 
     3200  | 
     869  | 
     —  | 
     —  | 
| 
     3400  | 
     988  | 
     —  | 
     —  | 
| 
     3600  | 
     1156  | 
     —  | 
     —  | 
| 
     3800  | 
     1309  | 
     —  | 
     —  | 
| 
     4000  | 
     1441  | 
     —  | 
     —  | 
| 
     B型对焊环板式松套法兰  | ||
| 
     B型对焊环  | 
     板式松  | |
| 
     10  | 
     0.08  | 
     0.345  | 
| 
     15  | 
     0.09  | 
     0.388  | 
| 
     20  | 
     0.17  | 
     0.568  | 
| 
     25  | 
     0.26  | 
     0.688  | 
| 
     32  | 
     0.36  | 
     1.12  | 
| 
     40  | 
     0.45  | 
     1.29  | 
| 
     50  | 
     0.53  | 
     1.42  | 
| 
     65  | 
     0.7  | 
     1.76  | 
| 
     80  | 
     1  | 
     2.84  | 
| 
     100  | 
     1.3  | 
     3.1  | 
| 
     125  | 
     1.9  | 
     4.12  | 
| 
     150  | 
     2.4  | 
     4.53  | 
| 
     200  | 
     3.9  | 
     6.51  | 
| 
     250  | 
     5.8  | 
     8.32  | 
| 
     300  | 
     6.8  | 
     11.1  | 
| 
     350  | 
     9.5  | 
     15.9  | 
| 
     400  | 
     11.6  | 
     18.8  | 
| 
     450  | 
     15  | 
     23.3  | 
| 
     500  | 
     15.9  | 
     24.9  | 
| 
     600  | 
     23  | 
     33  | 
| 
     700  | 
     30.9  | 
     —  | 
| 
     800  | 
     41.5  | 
     —  | 
| 
     900  | 
     50  | 
     —  | 
| 
     1000  | 
     58.9  | 
     —  | 
| 
     1200  | 
     56.3  | 
     —  | 
| 
     公称尺寸 DN  | 
     平焊环板式  | |
| 
     平焊环  | 
     板式松  | |
| 
     10  | 
     0.056  | 
     0.345  | 
| 
     15  | 
     0.069  | 
     0.388  | 
| 
     20  | 
     0.108  | 
     0.568  | 
| 
     25  | 
     0.149  | 
     0.688  | 
| 
     32  | 
     0.185  | 
     1.12  | 
| 
     40  | 
     0.244  | 
     1.29  | 
| 
     50  | 
     0.319  | 
     1.42  | 
| 
     65  | 
     0.451  | 
     1.76  | 
| 
     80  | 
     0.606  | 
     2.84  | 
| 
     100  | 
     0.709  | 
     3.1  | 
| 
     125  | 
     1  | 
     4.12  | 
| 
     150  | 
     1.01  | 
     4.53  | 
| 
     200  | 
     1.73  | 
     6.51  | 
| 
     250  | 
     2.32  | 
     8.32  | 
| 
     300  | 
     2.88  | 
     11.1  | 
| 
     350  | 
     4.77  | 
     15.9  | 
| 
     400  | 
     5.83  | 
     18.8  | 
| 
     450  | 
     7.02  | 
     23.3  | 
| 
     500  | 
     8.3  | 
     24.9  | 
| 
     600  | 
     9.34  | 
     33  | 
| 
     公称尺寸 DN  | 
     翻边环板式  | |
| 
     翻边环  | 
     板式松  | |
| 
     10  | 
     0.02  | 
     0.345  | 
| 
     15  | 
     0.03  | 
     0.388  | 
| 
     20  | 
     0.06  | 
     0.568  | 
| 
     25  | 
     0.08  | 
     0.688  | 
| 
     32  | 
     0.1  | 
     1.12  | 
| 
     40  | 
     0.13  | 
     1.29  | 
| 
     50  | 
     0.18  | 
     1.42  | 
| 
     65  | 
     0.24  | 
     1.76  | 
| 
     80  | 
     0.42  | 
     2.84  | 
| 
     100  | 
     0.49  | 
     3.1  | 
| 
     125  | 
     0.62  | 
     4.12  | 
| 
     150  | 
     0.71  | 
     4.53  | 
| 
     200  | 
     1.1  | 
     6.51  | 
| 
     公称尺板式松  | 
     翻边短节板式  | 
     法兰盖  | |
| 
     翻边  | 
     法兰  | ||
| 
     10  | 
     0.05  | 
     0.345  | 
     0.38  | 
| 
     15  | 
     0.06  | 
     0.388  | 
     0.438  | 
| 
     20  | 
     0.1  | 
     0.568  | 
     0.657  | 
| 
     25  | 
     0.15  | 
     0.688  | 
     0.821  | 
| 
     32  | 
     0.26  | 
     1.12  | 
     1.18  | 
| 
     40  | 
     0.31  | 
     1.29  | 
     1.39  | 
| 
     50  | 
     0.36  | 
     1.42  | 
     1.62  | 
| 
     65  | 
     0.47  | 
     1.76  | 
     2.14  | 
| 
     80  | 
     0.57  | 
     2.84  | 
     3.43  | 
| 
     100  | 
     0.73  | 
     3.1  | 
     4.22  | 
| 
     125  | 
     1.2  | 
     4.12  | 
     6.1  | 
| 
     150  | 
     1.4  | 
     4.53  | 
     7.51  | 
| 
     200  | 
     2.03  | 
     6.51  | 
     12.3  | 
| 
     250  | 
     2.65  | 
     8.32  | 
     18.5  | 
| 
     300  | 
     3.12  | 
     11.1  | 
     25.5  | 
| 
     350  | 
     4  | 
     15.9  | 
     31.8  | 
| 
     400  | 
     4.73  | 
     18.8  | 
     38.5  | 
| 
     450  | 
     5.3  | 
     23.3  | 
     51.2  | 
| 
     500  | 
     6.1  | 
     24.9  | 
     60.1  | 
| 
     600  | 
     —  | 
     —  | 
     103  | 
| 
     700  | 
     —  | 
     —  | 
     178  | 
| 
     800  | 
     —  | 
     —  | 
     252  | 
| 
     900  | 
     —  | 
     —  | 
     336  | 
| 
     1000  | 
     —  | 
     —  | 
     435  | 
| 
     1200  | 
     —  | 
     —  | 
     574  | 








