一、保温夹套直流式截止阀执行标准
设计与制造：BS1873 BS5160 GB12233
法兰尺寸：ANSIB16.5 JB/T79 GB9113
压力温度：ANSIB16.34
结构长度：ANSIB16.10 BS1873 GB12221
对焊连接尺寸：ANSIB16.25
检验与实验：BS6755 GB/T13927
二、保温夹套直流式截止阀连接尺寸
| 公称通径 | 尺寸 | ||||||||
| L | D | D1 | D2 | b | 3-G | Z-d | H | D0 | |
| BJ41W | |||||||||
| 15 | 130 | 105 | 75 | 55 | 14 | 3/8 | 4-14 | 175 | 180 |
| 20 | 150 | 115 | 85 | 68 | 14 | 3/8 | 4-14 | 185 | 180 |
| 25 | 160 | 135 | 100 | 78 | 16 | 3/8 | 4-18 | 210 | 200 |
| 32 | 180 | 145 | 110 | 85 | 16 | 3/8 | 4-18 | 350 | 200 |
| 40 | 200 | 160 | 125 | 100 | 16 | 3/8 | 4-18 | 360 | 200 |
| 50 | 250 | 180 | 145 | 120 | 18 | 1/2 | 4-18 | 380 | 240 |
| 65 | 265 | 195 | 160 | 135 | 20 | 1/2 | 8-18 | 440 | 240 |
| 80 | 280 | 215 | 180 | 155 | 20 | 1/2 | 8-18 | 510 | 280 |
| 100 | 300 | 245 | 210 | 185 | 22 | 1/2 | 8-18 | 620 | 320 |
| 125 | 325 | 280 | 240 | 210 | 24 | 1/2 | 8-23 | 680 | 360 |
| 150 | 350 | 335 | 295 | 265 | 26 | 1/2 | 12-23 | 818 | 360 |
| 200 | 400 | 405 | 355 | 320 | 30 | 1/2 | 12-25 | 1200 | 400 |
| 250 | 450 | 460 | 410 | 375 | 30 | 1/2 | 12-25 | 1450 | 450 |
| 300 | 500 | 520 | 470 | 435 | 34 | 1/2 | 16-25 | 1600 | 500 |
