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主要結(jié)構(gòu)特點(diǎn)及用途：
Chief strucure features and usages：
- 本產(chǎn)品的閥蓋填料室具有水密封結(jié)構(gòu)，當(dāng)接口通人壓力為061MP的水時，可使系統(tǒng)與大氣隔離，保證系統(tǒng)具有良好的氣密性
- S/Z型系列采用雙閘板雙向彈性密封、啟閉靈活、迅速、密封可靠。
- 產(chǎn)品結(jié)構(gòu)簡單、緊湊合理、檢修方便、使用壽命長
- 在管路上作啟閉裝置用，必須處于全開或全閉狀態(tài)，不得用于調(diào)節(jié)流量
- 閥們連接方式有法蘭和焊接兩種，驅(qū)動方式為手動和電動
- S系列水封閥門適用于公稱壓力100MPa，工作溫度425℃，工作介質(zhì)為水、蒸汽、油品和非腐蝕氣體的管路上作啟閉裝置用，尤其適用于火電廠汽機(jī)真空冷凝系統(tǒng)
- The chamber of packing of the valve's bonnet is of a water-sealed structure,which,when the water of 0.6-1MPa pressure goes into the mouthpiec,can make the system isolated from air to ensure the system with a good leak proofness
- Model S/Z series use dual-gate dual-direction elastic sealings.being flesible and fast to open and close,reliable sesling
- Simple,compact and reaso able structur,easy to overhaul and long duration
- When to be used as the open&close device on pipelines,it must be in fully-opened or fully-closed state and unallowed to be used for flow adjustment
- Two ways of connection:by flange and welding,two driving ways:manually and electrically
- Suitable to act as the open & close device for the pipelines with the working medium of water,steam,oil goods and non-corrosive gas,especially for the vacuum condensation system of the steam tufbine in steam power palnts.
主要性能規(guī)范：
Chief property and specificatio：
| 公稱壓力PN(MPa)Nominal pressure | 公稱壓力PN(MPa)Nominal pressure | |||||
| 殼體強(qiáng)度試驗(yàn)(MPa)Shell strength test | 1.0 | 1.6 | 2.5 | 4.0 | 6.4 | 10.0 |
| 密封試驗(yàn)(MPa)Seal test | 1.5 | 2.4 | 3.8 | 6.0 | 9.6 | 15.0 |
| 上密封試驗(yàn)(MPa)Back seal test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
| 氣密封試驗(yàn)Leak-proofness test | 1.1 | 1.8 | 2.8 | 4.4 | 7.0 | 11.0 |
| 使用范圍Applicable | ||||||
| 產(chǎn)品類型Produect classification | 適用溫度℃Working remperature | 適用介質(zhì)Suitable medium | ||||
| 碳鋼型(C)Carbon steel | ≤425 | 水、蒸汽、油品、非腐蝕性氣體Water.steam.oil goods.non-corrosive gas | ||||
| 合金型(I)Alloy steel | ≤540 | |||||
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