手動真空閘閥說明：
閥體采用傳統(tǒng)外型設計，設計合理、閥門剛性好、通道流暢、流阻系數小。
密封面采用不銹鋼和硬質合金，使用壽命長。
填料采用柔性PTFE、密封可靠、操作輕便靈活。
碳素鋼閥體內外表面進行防腐處理。
驅動方式分手動、電動、氣動、齒輪傳動。
廣泛適用于石油化工、火力發(fā)電廠等油品、水蒸氣管網上。
手動真空閘閥試驗壓力適用范圍：
公稱壓力
（MPa） | 試驗壓力（MPa） |
殼體 | 密封（液） | 密封（氣） | 上密封 |
1.0 | 1.5 | 1.1 | 0.6 | 1.1 |
1.6 | 2.4 | 1.8 | 0.6 | 1.8 |
2.5 | 3.8 | 2.8 | 0.6 | 2. |
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