... Port size: DN10~3000 (3/8" ~ 120") Widely used. Neck Flat Weld Flange Model: WB PH-38 Feature:1. Sealing face type: FF ... A694 F42, F46, F48, F50, F52, F56, F60, F65, F70 Stainless steelASTM A182 F304,304L, F316,316L,1Cr18Ni9Ti,0Cr18Ni9Ti,321,18 ... " ~ 120") For more details, please feel free to contact us! Neck Flat Weld Flange Model:WB PH-38