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防爆礦用閘閥，電動礦用閘閥，煤安電動閘閥價格
| 產品型號： |
MZB941H |
| 品 牌： |
上SQ泉 |
|
|
| 所 在 地： |
上海 |
| 更新日期： |
2024-09-18 |
礦用閘閥，帶煤安證刀閘閥大口徑及高壓的閘閥，啟閉力矩較大。為了減小啟閉力矩，可采用安裝旁通閥的辦法。旁通閥安裝在主閘閥外部，它的進出口與主閘閥的兩側練練連接，并聯聯通。主閘閥開啟前應先開通旁通閥，進入閥后，使主閘閥閘板前后的壓力差減小，從而減小主閘閥的開啟力矩。
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礦用閘閥型號
