球阀系列
青铜丝口球阀251A| DN | INCH | d | L | H | D |
| 15 | ½" | 14 | 53 | 44 | 95 |
| 20 | ¾" | 19 | 61 | 51 | 110 |
| 25 | 1" | 24 | 71 | 55 | 110 |
| 32 | 1¼" | 31 | 85 | 65 | 139 |
| 40 | 1½" | 38 | 92 | 70 | 139 |
| 50 | 2" | 49 | 114 | 83 | 159 |
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