Loose Flange Lap Joint Flange

Loose Flange,Lap joint flange In terms of connection mode between flange and pipe, flanges falls into five basic categories which are slip-on welding flange, welding neck flange, threaded flange, socket welding flange and loose flange. Loose flange is a combination of two kinds of flanges.Available Sizes 3/8"~48", DN10~DN1200 Standards GB/T9112-2000, GB/T9118.1-2000, GB/T9118.2-2000, GB/T9120.1-2000, GB/T9120.2-2000, GB/T9120.3-2000, GB/T9122-2000, GB/T9124-2000 SH/T3406-1996 JB/T74-1994, JB/T75-1994, JB/T84-1994, JB/T85-1994 HG/T20592-2009, HG/T20614-2009, HG/T20615-2009, HG/T20623-2009, HG/T20635-2009 ASME B16.5-2009 EN, EN BS1560-3.1-1989, BS4504-3.1-1989 AFNOR NF E ISO JIS B2220-20044 Raw Materials Carbon steel:A105 Alloy steel:A182F 1-F 2-F 5-F 9-F 10-F 91-F 92-F 122-F 911-F 11-F 12-F 21-F 22 Stainless steel:A182 304-304H-304L-304N-304LN 316-316H-316L-316LN 321-321H 347-347H Low-temperature steel:A522 A707 Grade L 1-L 2-L 3-L 4-L 5-L 6-L 7-L 8 High-performance steel:A694 F 42-F 46-F 48-F 50-F 52-F 56-F 60-F 65-F 70F Pressure Grade American System:CLASS150 CLASS300 CLASS400 CLASS600 CLASS900 CLASS1500 European System:PN2.5,PN6,PN10,PN16,PN25,PN40. Flange Facing Flat face(FF),Raised face(RF),Tongue face(T),Groove face(G),Female face(F),Male face(M),Ring joints face(RJ). Producing Process Cutting of Raw Material-Die Forging-Machining Application The flange is widely used in many areas such as power generation plant, petroleum industry,natural gas system,chemical industry,shipbuilding industry,heating system,paper-making industry,metallurgy industry,etc.

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