对夹止回阀---H74W-16P双瓣式对夹止回阀
| 口径 | 硬密封 | 单重 | 硬密封 | 单重 |
| 材质/单价 | 304 | kg | 316 | kg |
| DN40 | 0.33 | 0.33 | ||
| DN50 | 0.43 | 0.43 | ||
| DN65 | 0.6 | 0.6 | ||
| DN80 | 0.95 | 0.95 | ||
| DN100 | 1.1 | 1.1 | ||
| DN125 | 1.5 | 1.5 | ||
| DN150 | 2.4 | 2.4 | ||
| DN200 | 5 | 5 | ||
| DN250 | ||||
| 口径 | 软密封 | 单重 | 软密封 | 单重 |
| 材质/单价 | 单面密封 | 双面密封 | ||
| 304 | kg | 304 | kg | |
| DN40 | 0.33 | 0.33 | ||
| DN50 | 0.43 | 0.43 | ||
| DN65 | 0.6 | 0.6 | ||
| DN80 | 0.95 | 0.95 | ||
| DN100 | 1.1 | 1.1 | ||
| DN125 | 1.5 | 1.5 | ||
| DN150 | 2.4 | 2.4 | ||
| DN200 | 5 | 5 | ||
| DN250 |