Cast steel fixed ball valve has two and three type two kinds of body structure, the flange bolting, seal enhanced ptfe inserted into the stainless steel ring, steel ring at the back of the seat close to the ball, no spring guarantee seal. Up and down the stem are no PTFE bearing, reduce friction, easy operation, small no TAB at the bottom of the shaft, to ensure that the ball and seal it. All sizes available: valve flow aperture is consistent with the pipeline diameter, so that pipeline cleaning. Cast steel ball Industrial Valves fixed sample figure

fixed ball valve cast steel parts body/bonnet materials: WCB, ZGOOCr17Ni14Mo2 ( CF3M) 、ZG1Cr18Ni9Ti（ CF8) 、ZG1Cr18Ni12Mo2Ti（ CF8M) Ball: 2 cr13, ZGOOCr17Ni14Mo2 ( CF3M) 、ZG1Cr18Ni9Ti（ CF8) 、ZG1Cr18Ni12Mo2Ti（ CF8M) Stem: 2 cr13, 316 l, 1 cr18ni9ti ( 304). 、1Cr18Ni12Mo2Ti（ 316). Seat sealing surface: PTFE, carbon fiber + PTFE, para polyphenyl stud/nut: 3535 crmoa ( B7) 45 ( 2H） 2 cr13 ( 420). 1Cr18Ni91Cr17Ni2（ 431). Packing: v-type PTFE, flexible graphite cast steel fixed ball valve manufacturer recommendations
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