资讯动态
低阻力倒流防止器附加裕量C值_阀门标准
| 阀体材料 | 不锈钢 | 碳素钢 | 球墨铸铁 | 硅黄铜 |
| 铸造方法 | 精密铸造 | 精密铸造 | 树脂砂铸造 | 树脂砂铸造 |
| Sb-C | C值 | |||
| ≤5 | 3 | 5 | 6 | 4 |
| 6～10 | 2 | 4 | 5 | 3 |
|
11～20 |
1 | 3 | 4 | 2 |
开云手机入口-开云(中国)
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