J941W電動截止閥
電動法蘭截止閥廣泛適用于石油化工，火力發(fā)電廠等油品、水蒸汽管路上作接通或截斷管路中介質的啟閉裝置。
電動截止閥的特點
1．流體阻力小，其阻力系數(shù)與同長度的管段相等。
2．結構簡單、體積小、重量輕。電動截止閥
3．緊密可靠，目前閘閥的密封面材料廣泛使用塑料、密封性好，在真空系統(tǒng)中也已廣泛使用。
4．操作方便，開閉迅速，從全開到全關只要旋轉90°，便于遠距離的控制。
5．維修方便，閘閥結構簡單，密封圈一般都是活動的，拆卸更換都比較方便。
6．在全開或全閉時，球體和閥座的密封面與介質隔離，介質通過時，不會引起閥門密封面的侵蝕。
7．適用范圍廣，通徑從小到幾毫米，大到幾米，從高真空至高壓力都可應用。
| 公稱壓力PN(MPa) | 實驗壓力(MPa) | |||
| 殼體 | 密封(液) | 密封(氣) | 上密封 | |
| 1.6 | 2.4 | 1.8 | 0.6 | 1.8 |
| 2.5 | 3.8 | 2.8 | 0.6 | 2.8 |
| 4.0 | 6.0 | 4.4 | 0.6 | 4.4 |
| 6.4 | 9.6 | 7.0 | 0.6 | 7.0 |
| 10.0 | 15.0 | 11.0 | 0.6 | 11.0 |
| 16.0 | 24.0 | 18.0 | 0.6 | 18.0 |
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