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Features Bolted Bonnet,Outside Screw and Yoke(OS&Y) Rising Stem,Metallic Seating Surface Design and Manufcture:BS 1873,ASME B16.34 Face to Face: ASME B16.10 Flange End Dimensions:ASME B16.5 Temp.& pressure ratings: ASME B16.34 Inspection & Test:API598 Class150-900 2"-12" Material:WCB,LCB,LCC,CF3,CF8,CF8M,CF3M
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