D73H 手動對夾式硬密封蝶閥—結構特點
D73H 手動對夾式硬密封蝶閥吸收，消化*，并結合國內用戶意見和產品中積累的經驗而精心研制的新一代產品。
1、采用三維偏心結構，閥門密封圈采用彈性金屬圈，使蝶板同閥體密封面均勻可靠接觸，可達到氣密封無泄露；
2、結構*，操作靈活、省力、方便、使用壽命長；
3、耐高溫、耐腐蝕、耐磨損的三維偏心。
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