【低溫止回閥用途】
低溫止回閥主要外形和連接尺寸
| 公稱通徑 | 尺寸 | ||||||||
| mm | in | L | D | D1 | D2 | b | f | n-Φd | H |
| DH44Y-150Lb | |||||||||
| 50 | 2 | 203 | 152 | 120.5 | 92 | 16 | 1.6 | 4-19 | 180 |
| 80 | 3 | 241 | 192 | 152.5 | 127 | 19 | 1.6 | 4-19 | 190 |
| 100 | 4 | 297 | 229 | 190.5 | 157 | 24 | 1.6 | 8-19 | 203 |
| 125 | 5 | 330 | 254 | 216 | 186 | 24 | 1.6 | 8-22 | 229 |
| 150 | 6 | 356 | 279 | 241.5 | 216 | 26 | 1.6 | 8-22 | 257 |
| 200 | 8 | 495 | 342 | 298.5 | 270 | 29 | 1.6 | 8-22 | 292 |
| 250 | 10 | 622 | 406 | 362 | 324 | 31 | 1.6 | 12-25 | 355 |
| 300 | 12 | 698 | 483 | 432 | 381 | 32 | 1.6 | 12-25 | 396 |
