... ... Structure: Gate Production enforce standard Design and manufacture --- Api600,API6DFace to Face --- ANSI B16.10,API6DFlange Dimension --- ANSI 16.5Butt ... 25Cr2MoV,F304,F316,F304L,F316LSealing Face --- 13Cr,STL,PTFE,NylonPacking --- Flexible Graphite,Enhanced,Graphite ,SFB/260,PTFEWorking Temperature --- ≤200 oC - ... Water,Steam,Peroleum Propoducts,Nitric acid,Acetic acid,Urea ANSI gate valve