YK43X气体减压阀外形尺寸(PN6.4-16.0) 单位：mm
| 公称通径DN | 外 形 尺 寸 | |||
| L | H | Hl | ||
| 6.4MPa | 10.0/16.0MPa | |||
| 15 | 180 | 180 | 300 | 100 |
| 20 | 180 | 200 | 310 | 105 |
| 25 | 200 | 220 | 31 | 120 |
| 32 | 220 | 230 | 310 | 120 |
| 40 | 240 | 240 | 335 | 135 |
| 50 | 270 | 300 | 335 | 135 |
| 65 | 300 | 340 | 340 | 140 |
| 80 | 330 | 360 | 380 | 170 |
| 100 | 380 | 380 | 185 | |
| 125 | 450 | 490 | 215 | |
| 150 | 500 | 490 | 225 | |
| 200 | 550 | 535 | 260 | |
| 250 | 650 | 580 | 310 | |
| 300 | 800 | 725 | 355 | |
| 350 | 850 | 765 | 395 | |
| 400 | 900 | 800 | 435 | |
| 500 | 950 | - | 855 | 495 |
