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| 氣動(dòng)切斷閥中英文版 發(fā)布時(shí)間：24-09-18 |
中文版 氣動(dòng)切斷閥概述 氣動(dòng)切斷閥（Pneumatic Cut-off Valve）作為一種重要的流體控制設(shè)備，在石油化工、冶金及其他工業(yè)領(lǐng)域發(fā)揮著不可替代的作用。該閥門以壓縮空氣為動(dòng)力源，通過氣動(dòng)執(zhí)行器的精確控制，實(shí)現(xiàn)對管道中介質(zhì)的快速切斷或接通。其結(jié)構(gòu)簡單、操作方便、性能穩(wěn)定，是自動(dòng)化控制系統(tǒng)中的關(guān)鍵組件。 主要特點(diǎn) 1. 快速響應(yīng)：氣動(dòng)切斷閥具有極快的響應(yīng)速度，能在幾秒內(nèi)切斷流體流動(dòng)，有效應(yīng)對緊急情況。 2. 結(jié)構(gòu)堅(jiān)固：閥體通常采用高質(zhì)量的不銹鋼或碳鋼材料，具有卓越的防腐、抗磨損性能，確保了閥門的長期穩(wěn)定運(yùn)行。 3. 緊湊設(shè)計(jì)：閥門結(jié)構(gòu)設(shè)計(jì)緊湊，體積小，易于安裝和維護(hù)，大大節(jié)省了空間成本。 4. 安全可靠：采用壓縮空氣控制，不僅避免了電氣火花的產(chǎn)生，還有效預(yù)防了火災(zāi)和爆炸的風(fēng)險(xiǎn)。閥門配備了手動(dòng)操作功能，確保在緊急情況下可通過人工干預(yù)實(shí)現(xiàn)快速切斷。 5. 廣泛適用性：氣動(dòng)切斷閥適用于多種介質(zhì)，包括氣體、液體和蒸汽，廣泛應(yīng)用于各類管道系統(tǒng)中。 結(jié)構(gòu)組成 氣動(dòng)切斷閥主要由閥體、閥座、密封圈、閥盤、閥桿、執(zhí)行器、電磁閥、位置器等部件組成。其中，執(zhí)行器作為關(guān)鍵部件，通過壓縮空氣推動(dòng)活塞運(yùn)動(dòng)，進(jìn)而帶動(dòng)閥桿和閥盤上下移動(dòng)，實(shí)現(xiàn)閥門的開啟與關(guān)閉。 安裝與維護(hù) ? 安裝：閥門應(yīng)垂直安裝在管道中，確保閥體上的箭頭指示流向。安裝前需檢查閥門是否完好，無損壞、松動(dòng)或異物。閥門應(yīng)配備手動(dòng)操作功能，以便于測試和緊急情況下的操作。 ? 維護(hù)：定期檢查閥門狀態(tài)，保持其清潔并更換磨損部件。維護(hù)執(zhí)行器時(shí)，需確保其干燥清潔。閥門使用后應(yīng)及時(shí)進(jìn)行維護(hù)和修理，以延長其使用壽命。 應(yīng)用領(lǐng)域 氣動(dòng)切斷閥廣泛應(yīng)用于石油化工、天然氣輸送、水處理、食品加工、制藥等行業(yè)。在這些領(lǐng)域中，氣動(dòng)切斷閥以其快速、準(zhǔn)確、可靠的切斷性能，確保了生產(chǎn)過程的安全性和效率。 English Version Pneumatic Cut-off Valve Overview The Pneumatic Cut-off Valve, as a vital fluid control device, plays an irreplaceable role in the petrochemical, metallurgy, and other industrial sectors. Powered by compressed air, it utilizes pneumatic actuators to precisely control the quick cutoff or connection of media within pipelines. Its simple structure, convenient operation, and stable performance make it a key component in automation control systems. Key Features 1. Rapid Response: The pneumatic cut-off valve boasts an extremely fast response time, enabling it to cut off fluid flow within seconds in emergency situations. 2. Sturdy Construction: Crafted from high-quality stainless steel or carbon steel, the valve body ensures long-term stable operation with excellent corrosion and wear resistance. 3. Compact Design: Its compact structure and small size facilitate easy installation and maintenance, significantly reducing space costs. 4. Safety and Reliability: Driven by compressed air, it eliminates electrical sparks and effectively prevents fire and explosion risks. Additionally, its manual operation function ensures rapid cutoff in emergencies. 5. Broad Applicability: Suitable for various media including gases, liquids, and steam, the pneumatic cut-off valve finds wide application in pipeline systems. Structural Composition The pneumatic cut-off valve comprises a valve body, seat, seal ring, disc, stem, actuator, solenoid valve, positioner, and other components. The actuator, as the core component, utilizes compressed air to drive the piston, thereby moving the stem and disc to open or close the valve. Installation and Maintenance ? Installation: The valve should be installed vertically in the pipeline with the arrow on the valve body indicating the flow direction. Prior to installation, inspect the valve for damage, looseness, or foreign matter. It should also be equipped with a manual operation function for testing and emergency operations. ? Maintenance: Regularly check the valve's condition, keep it clean, and replace worn parts. Maintain the actuator in a dry and clean state. After use, promptly perform maintenance and repairs to extend the valve's lifespan. Fields of Application The pneumatic cut-off valve is widely used in petrochemicals, natural gas transmission, water treatment, food processing, pharmaceuticals, and other industries. Its rapid, accurate, and reliable cutoff performance ensures process safety and efficiency in these fields.  |
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