详细说明
对夹升降式止回阀
对夹升降式止回阀
H71H对夹升降式止回阀
对夹升降式止回阀-H71H对夹升降式止回阀-对夹升降式止回阀|-|上海远征阀门厂有限公司
对夹升降式止回阀主要零件材料:
| 型号 | 阀门 | 阀瓣 | 弹簧 |
| H71H-16QH71H-25Q | QT400-15 | 25 | 50CrVA |
| H71W-25HH71W-40H | 2Cr13 | 1Cr13 | 1Cr18Ni9 |
| H71W-25PH71W-40P | ZG1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti |
对夹升降式止回阀主要外形尺寸:
| 公称通径 | L | D |
| 1.6 | 2.5 | 4 |
| 15 | 25 | 48 | 48 | 48 |
| 20 | 31.5 | 58 | 58 | 58 |
| 25 | 35.5 | 68 | 68 | 68 |
| 32 | 40 | 80 | 80 | 870 |
| 40 | 45 | 90 | 90 | 90 |
| 50 | 56 | 105 | 105 | 105 |
| 65 | 63 | 125 | 125 | 125 |
| 80 | 71 | 140 | 140 | 140 |
| 100 | 80 | 160 | 165 | 165 |
| 125 | 110 | 190 | 195 | 195 |
| 150 | 125 | 215 | 225 | 225 |
| 200 | 160 | 270 | 285 | 390 |
| 250 | 200 | 330 | 340 | 350 |
| 300 | 250 | 385 | 400 | 415 |