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Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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JIS B2220 Lap Joint Flange


JIS B2220 Flange Products Manufacturer,JIS B2220 Flanges,JIS B2220 Lap Joint Flange-Hebei Haihao Group

After more than 30 years development,Hebei Haihao Group obtained the recognition from the clients and end user of domestic markets and all over the world.We manufacture flange products according to standard:ANSI/ASME B16.5,BS 4504,DIN,EN 1092,JIS B2220,GOST etc.

JIS B2220 Lap Joint Flange

JIS B2220 Lap Joint Flange

The JIS B2220 flange products in our company contain:JIS B2220 lap joint flange,JIS B2220 slip on hubbed flange,JIS B2220 slip on plate flange,JIS B2220 blind flange,JIS B2220 weld neck flange,JIS B2220 socket weld flange,JIS B2220 threaded flange,JIS B2220 integral flange.

Threr are two types for the JIS B2220 lap joint flange in our company,the first one looks like  a plate flange,the second looks like weld neck flange,the drawing as follows:

JIS B2220 Lap Joint Flange

JIS B2220 Lap Joint Flange

JIS B2220 Lap Joint Flange

JIS B2220 Lap Joint Flange

The specification about the JIS B2220 lap joint flange as follows:

JIS B2220 lap joint flange pressure:

5K,10K,16K,20K.

JIS B2220 lap joint flange size:

The JIS B2220 lap joint flange products’ size according to the pressure,and the two types lap joint flange nominal size are different even in the same pressure.When the pressure is 5K,the JIS B2220 lap joint plate flange’s nominal size from 15A t0 400A,the nominal size for the  JIS B2220 lap joint flange with neck from 450A to 600A;when the pressure is 10K,the nominal for JIS B2220 lap joint plate flange from 15A to 200A,and the nominal size for the JIS B2220 lap joint  flange from 250A to 600A;when the pressure is 16K and 20K,there only one type lap joint flange with neck,and the nominal size from 15A to 600A.

JIS B2220 lap joint flange materials:

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.

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