D373H對夾蝶閥廣泛用于石油、化工、電力、冶金、食品、醫藥、輕紡、造紙等行業，可安裝在溫度≤425℃，介質為煤氣、空氣、蒸汽、水、海水、油品等工業管網上作調節流量和切斷介質用。
驅動形式有手動、蝸輪傳動、氣動、液動、電動、電液聯動等執行機構，可實現遠距離控制和自動化操作。金屬硬密封蝶閥系列產品，系長壽命、節能型蝶閥。其結構采用三維編心原理設計，閥座采用硬軟密封兼容的多層次結構，加工*，工藝*。本產品由閥體、蝶板、多層次閥座、閥桿、傳動機構等主要部件組成。因此被廣泛地應用到冶金、電力、石油、化工、空氣、煤氣、可燃氣體以及給排水等腐蝕性介質的管道上。
D373H對夾蝶閥特點:
由于本產品蝶閥采用的是三維偏心原理設計，使密封面的空間運動軌跡達到理想化，密封面相互之間無磨擦、無干涉、加之密封材料選擇得當，從而使蝶閥的密封性、耐腐蝕性、耐高溫性和耐磨性等得到了可靠的保證。其主要特點如下：
1、開啟力矩小，靈活方便，省力節能。
2、三維編心結構，使蝶板越關越緊，其密封性能可靠，達到無泄漏。
3、耐高壓、耐腐蝕、耐磨損、使用壽命長等。
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