Flange Facing Types—socket weld flange

　　Flange Facing Types

　　American Series: Raised Face(RF), Tongue(T), Groove(G), Female(F), Male(M), Ring Joints Face(RJ)

　　European Series: Type B(Raised Face), Type C(Tongue), Type D(Groove), Type E(Spigot), Type F(Recess), Type G(O-Ring Spigot), Type H (O-Ring Groove)

　　Materials

　　Carbon steel: A105

　　Standards

　　GB/T9112-2000

　　GB/T9117.1-2000 GB/T9117.2-2000 GB/T9117.3-2000 GB/T9117.4-2000

　　GB/T9124-2000

　　SH/T3406-1996

　　HG/T20592-2009 HG/T20614-2009

　　HG/T20615-2009 HG/T20623-2009 HG/T20635-2009

　　ASME B16.5-2009

　　EN1092-1-2007 EN1759-1-2004

　　BS1560-3.1-1989 BS4504-3.1-1989

　　AFNOR NF E29-200-1-2007

　　ISO7005-1-1992

　　JIS B2220-2004

　　We have adopted advanced production equipment and technologies to manufacture our pipe elbow and carbon steel pipe fitting, which can not only improve product quality, but also save raw materials. Our products have high strength, good toughness and resistance to corrosion.