過濾器系列
黃銅絲口過濾止回閥4303| DN | INCH | L | H |
| 15 | ½" | 33.5 | 70 |
| 20 | ¾" | 41 | 80 |
| 25 | 1" | 45.5 | 93 |
| 32 | 1¼" | 56.2 | 103 |
| 40 | 1½" | 65.7 | 117.7 |
| 50 | 2" | 74 | 131 |
| 65 | 2½" | 97 | 153 |
| 80 | 3" | 112 | 177 |
| 100 | 4" | 142.5 | 180 |
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