T302-7型圆形钢制蝶阀（手柄式）
产品简介
/ Introduction
| 型号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| D | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 250 | 280 | 320 | 360 | 400 | 450 | 500 | 560 |
| 型号 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| D | 100 | 120 | 140 | 160 | 180 | 200 | 220 | 250 | 280 | 320 | 360 | 400 | 450 | 500 | 560 |
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