1,Type:ASTM carbon steel A105 flange 2,Stainless steel 3,Size:3/8"-160" 4,Standard : ... , PN 100,PN 160, PN 250, PN 320, PN 400VarietiesSO,WN,PL,BL,SW,THUsagepetroleum,chemical,industry,power,ship building,paper ... workFlange Facing Types American Series: Flat Face(FF), Raised Face(RF), Tongue(T), Groove(G),Female(F), Male(M), Ring Joints ...