资讯动态
供水系统用弹性密封闸阀 手轮外径_阀门标准
供水系统用弹性密封闸阀 手轮外径
| 公称尺寸 DN | 50 | 80 | 100 | 150 | 200 | 250 | 300 |
| 手轮最小直径 | 160 | 180 | 250 | 300 | 350 | 400 | 400 |
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