| 
 标准规范APPLICABLE STANDARDS 
设计与制造Design:GB/T12237/1989 
  
连接法兰End Flange:GB9113.1 
  
防火测试Fire Safe:API607 4th 1993 
  
结构长度Face to Face:GB/T12221-1989 
  
检测与试验Inspection&Testing:GB/T13927-1992 
  
  
GB系列主要外型及连接尺寸表GB Main appearance and connection size talbe 
| 
 公称压力PN  | 
 公称通径DN  | 
 L  | 
 ¢E  | 
 ¢B  | 
 ¢C  | 
 D1  | 
 T  | 
 f  | 
 f1  | 
 N-¢h  | 
 H  | 
 H1  | 
 W  | 
 M  | 
 P  | 
 A1  | 
 A2  | 
 B1  | 
 B2  |  
| 
 1.6  | 
 15  | 
 130  | 
 95  | 
 65  | 
 46  | 
 | 
 14  | 
 2  | 
 | 
 4-14  | 
 48  | 
 79  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 20  | 
 130  | 
 105  | 
 75  | 
 56  | 
 | 
 16  | 
 2  | 
 | 
 4-14  | 
 53  | 
 84  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 25  | 
 140  | 
 115  | 
 85  | 
 65  | 
 | 
 16  | 
 2  | 
 | 
 4-14  | 
 64  | 
 95  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 32  | 
 165  | 
 140  | 
 100  | 
 76  | 
 | 
 18  | 
 2  | 
 | 
 4-18  | 
 71  | 
 103  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 40  | 
 165  | 
 150  | 
 110  | 
 84  | 
 | 
 18  | 
 2  | 
 | 
 4-18  | 
 76  | 
 111  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 50  | 
 203  | 
 165  | 
 125  | 
 99  | 
 | 
 20  | 
 2  | 
 | 
 4-18  | 
 85  | 
 120  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 65  | 
 222  | 
 185  | 
 145  | 
 118  | 
 | 
 20  | 
 2  | 
 | 
 4-18  | 
 104  | 
 153  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 80  | 
 241  | 
 200  | 
 160  | 
 132  | 
 | 
 20  | 
 2  | 
 | 
 8-18  | 
 114  | 
 163  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 100  | 
 305  | 
 220  | 
 180  | 
 156  | 
 | 
 22  | 
 2  | 
 | 
 8-18  | 
 140  | 
 182  | 
 400  | 
 22  | 
 22  | 
 non  | 
 11  | 
 non  | 
 105  |  
| 
 125  | 
 356  | 
 250  | 
 210  | 
 184  | 
 | 
 22  | 
 2  | 
 | 
 8-18  | 
 183  | 
 260  | 
 500  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 150  | 
 394  | 
 285  | 
 240  | 
 211  | 
 | 
 24  | 
 2  | 
 | 
 8-22  | 
 202  | 
 280  | 
 800  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 200  | 
 457  | 
 340  | 
 295  | 
 266  | 
 | 
 24  | 
 2  | 
 | 
 12-22  | 
 253  | 
 | 
 1100  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 non  |  
| 
 2.5  | 
 15  | 
 140  | 
 95  | 
 65  | 
 46  | 
 | 
 14  | 
 2  | 
 | 
 4-14  | 
 48  | 
 79  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 20  | 
 152  | 
 105  | 
 75  | 
 56  | 
 | 
 16  | 
 2  | 
 | 
 4-14  | 
 53  | 
 84  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 25  | 
 165  | 
 115  | 
 85  | 
 65  | 
 | 
 16  | 
 2  | 
 | 
 4-14  | 
 64  | 
 95  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 32  | 
 178  | 
 140  | 
 100  | 
 76  | 
 | 
 18  | 
 2  | 
 | 
 4-18  | 
 71  | 
 103  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 40  | 
 190  | 
 150  | 
 110  | 
 84  | 
 | 
 18  | 
 2  | 
 | 
 4-18  | 
 76  | 
 111  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 50  | 
 216  | 
 165  | 
 125  | 
 99  | 
 | 
 20  | 
 2  | 
 | 
 4-18  | 
 85  | 
 120  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 65  | 
 241  | 
 185  | 
 145  | 
 118  | 
 | 
 22  | 
 2  | 
 | 
 8-18  | 
 104  | 
 153  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 80  | 
 283  | 
 200  | 
 160  | 
 132  | 
 | 
 24  | 
 2  | 
 | 
 8-18  | 
 114  | 
 163  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 100  | 
 305  | 
 235  | 
 190  | 
 156  | 
 | 
 24  | 
 2  | 
 | 
 8-22  | 
 140  | 
 182  | 
 400  | 
 22  | 
 22  | 
 non  | 
 11  | 
 non  | 
 105  |  
| 
 125  | 
 381  | 
 270  | 
 220  | 
 184  | 
 | 
 26  | 
 2  | 
 | 
 8-26  | 
 183  | 
 260  | 
 500  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 150  | 
 403  | 
 300  | 
 250  | 
 211  | 
 | 
 28  | 
 2  | 
 | 
 8-26  | 
 202  | 
 280  | 
 800  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 200  | 
 502  | 
 360  | 
 310  | 
 274  | 
 | 
 30  | 
 2  | 
 | 
 12-26  | 
 253  | 
 | 
 1100  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 non  |  
| 
 4.0  | 
 15  | 
 140  | 
 95  | 
 65  | 
 46  | 
 40  | 
 14  | 
 2  | 
 4  | 
 4-14  | 
 48  | 
 79  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 20  | 
 152  | 
 105  | 
 75  | 
 56  | 
 51  | 
 16  | 
 2  | 
 4  | 
 4-14  | 
 53  | 
 84  | 
 135  | 
 9  | 
 9  | 
 6  | 
 6  | 
 36  | 
 42  |  
| 
 25  | 
 165  | 
 115  | 
 85  | 
 65  | 
 58  | 
 16  | 
 2  | 
 4  | 
 4-14  | 
 64  | 
 95  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 32  | 
 178  | 
 140  | 
 100  | 
 76  | 
 66  | 
 18  | 
 2  | 
 4  | 
 4-18  | 
 71  | 
 103  | 
 170  | 
 11  | 
 11  | 
 6  | 
 7  | 
 42  | 
 50  |  
| 
 40  | 
 190  | 
 150  | 
 110  | 
 84  | 
 76  | 
 18  | 
 2  | 
 4  | 
 4-18  | 
 76  | 
 111  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 50  | 
 216  | 
 165  | 
 125  | 
 99  | 
 88  | 
 20  | 
 2  | 
 4  | 
 4-18  | 
 85  | 
 120  | 
 200  | 
 14  | 
 14  | 
 7  | 
 9  | 
 50  | 
 70  |  
| 
 65  | 
 241  | 
 185  | 
 145  | 
 118  | 
 110  | 
 22  | 
 2  | 
 4  | 
 8-18  | 
 104  | 
 153  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 80  | 
 283  | 
 200  | 
 160  | 
 132  | 
 121  | 
 24  | 
 2  | 
 4  | 
 8-18  | 
 114  | 
 163  | 
 300  | 
 17  | 
 17  | 
 9  | 
 11  | 
 70  | 
 105  |  
| 
 100  | 
 305  | 
 235  | 
 190  | 
 156  | 
 150  | 
 24  | 
 2  | 
 4.5  | 
 8-22  | 
 140  | 
 182  | 
 400  | 
 22  | 
 22  | 
 non  | 
 11  | 
 non  | 
 105  |  
| 
 125  | 
 381  | 
 270  | 
 220  | 
 184  | 
 176  | 
 26  | 
 2  | 
 4.5  | 
 8-26  | 
 183  | 
 260  | 
 500  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 150  | 
 403  | 
 300  | 
 250  | 
 211  | 
 204  | 
 28  | 
 2  | 
 4.5  | 
 8-26  | 
 202  | 
 280  | 
 800  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 Non  |  
| 
 200  | 
 502  | 
 385  | 
 320  | 
 284  | 
 260  | 
 34  | 
 2  | 
 4.5  | 
 12-30  | 
 253  | 
 | 
 1100  | 
 27  | 
 27  | 
 14  | 
 non  | 
 125  | 
 non  |    |