美標渦輪對夾蝶閥 美標對夾式渦輪蝶閥 美標三偏心對夾蝶閥 D373H D373W D373X
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| 4、美標高性能蝶閥 用途及特點 Usage&Feature 815、830系列蝶閥的主要結構特征為對夾式和法蘭三偏心式結構，而815、830L系列的主要結構特征為閥體周邊帶凸耳設計成帶螺孔單法蘭結構。815、830系列蝶閥廣泛應用于石油、化工即工業環境水處理、高層建筑，給排水等管道上。器特點為：由于采用三偏心結構。密封性能可靠，確保開啟時蝶閥不接觸密封座，消除了密封座不均勻負載，延長了使用壽命，確?？煽康拿芊庑阅?，具有耐高溫、耐磨損、耐腐蝕等優點。 Main configuration characterisic of 812,830 series of butterfly valve is composed of wafer and flange three eccentricity,then man configuration characteristic of 815,830l series butterfly valve is dege of body with protruding ears and single flange configuration with screw.815,830 series of butterfly valve has been widely utilized in petroleum,chemain characteristic is :due to use three eccentric con figuration,hermetic capability reliably,which ensure disc never touch sealingseat when it start,solve the problem of hermetical eat burden unequally,prolong service life,and ensure reliable hermetic capability with aduatage of high tem perature resistant,werable,antisepsis etc. 執行標準 Administers Standard
試驗壓力 Pressure Test
主要零件材料及性能 Main Part Materials and Properly
美標815L系列 API 815L Series 
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