JIS B2220 Integral Flange

JIS B2220 Integral Flange,Long Weld Neck Flange,IT Flange Manufacturer-Hebei Haihao Flange Factory

Hebei Haihao Flange Factory,established in 1982,is one of the biggest flanges manufacturer in China,we are specialized in the production of forged steel flanges,plate steel flanges etc.The flange products according to flange standard:ANSI/ASME B16.5,BS 4504,DIN,EN 1092,JIS B2220,GOST or customers’ requirements.

JIS B2220 Integral Flange In Haihao Flange Factory

JIS B2220 Integral Flange In Haihao Flange Factory

The JIS B2220 flange products contain:JIS B2220 integral flange(IT Flange),JIS B2220 weld neck flange(WN Flange),JIS B2220 blind flange(BL Flange),JIS B2220 slip on hubbed flange(SOH Flange),JIS B2220 slip on plate flange(SOP Flange),JIS B2220 threaded flange(TR Flange),JIS B2220 socket weld flange(SW Flange),JIS B2220 lap joint flange(LJ Flange).(The introduce about JIS B2220 flange products)

The JIS B2220 Integral Flange Dimensions In Hebei Haihao Group:

The integral flange also called long weld neck flange(LWN flange),it means a weld neck flange has a very long neck.The products’ nominal size are different in the different pressure.When the pressure are 5K and 10K,the products’ nominal size from 10A to 1500A.The nominal size from 10A to 600A when the JIS B2220 integral flange in the pressure 16K and 20K.When the pressure is 30K,the JIS B2220 integral flange products’ nominal size from 15A to 400A.The sealing face for the product can be:raised face(RF),flat face(FF),ring type joint(RTJ) etc.

JIS B2220 Integral Flange Drawing

JIS B2220 Integral Flange Drawing

We can manufacture the integral flange/long weld neck flange with the materials like carbon steel,stainless steel,alloy steel etc.The materials as follows:

Carbon Steel:ASTM A105,A181,ASTM A516 GR.60,GR.70,ASTM A694 F42,F46,F52,F56,F60,F65,F70,ST37,ST45.8,C22.8,S2235,S235JRG2,P235GH,P245GH,P250GH,P265GH,P355GH,S355J2,16Mn,20Mn,Q235,20#,CT20,SS400 etc.

Stainless Steel:ASTM A182 F304,F304L,F316,F316L,F321,F321H,F304H,F316H,F347H,1.4301,1.4306,1.4401,1.4404,1.4541,1.4571,SUS304,SUS316 etc.

Alloy Steel:ASTM A350 LF2,CL1/CL2,ASTM A182 F5,F9,F11,F12,F22,F91 etc.

After more than 30 years development,Hebei Haihao Group obtained the recognition from the clients and end users of domestic markets and all over the world.We have world-famous clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc.

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