JIS B2220 Flange Products,JIS B2220 5K Weld Neck Flange,5K WN Flanges-Hebei Haihao Group
Hebei Haihao Group manufacture butt weld pipe fittings,forged pipe fittings,steel pipes and flanges products according to standard ANSI/ASME,BS,EN,JIS,GOST,SABS and customer’s requirements etc.The JIS B2220 flange products contain:JIS B2220 weld neck flange,JIS B2220 slip on flange,JIS B2220 blind flange,JIS B2220 threaded flange,JIS B2220 socket weld flange,JIS B2220 lap joint flange,JIS B2220 integral flange.

JIS B2220 5K Weld Neck Flange,WN Flanges In Haihao Group
We supply JIS B2220 weld neck flange in the pressure 5K,10K,16K,20K,30K.The dimensions of JIS B2220 5K weld neck flange(WN Flange) as follows:
JIS B2220 5K Weld Neck Flange Nominal Size:
The products’ nominal size from 10A to 1500A.
JIS B2220 5K Weld Neck Flange Sealing Face:
The sealing face of the products can be raised face(RF),flat face(FF),ring type joint(RTJ) or as customer’s requirements.
JIS B2220 5K Weld Neck Flange Raw Materials:
We can manufacture the products with carbon steel,stainless steel,alloy steel etc.The raw materials for our products are supplied by Bao Steel Group and Shougang Steel Group which belong to Chines government.The raw 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.
JIS B2220 5K Weld Neck Flange Application:
The flange products manufactured by Hebei Haihao Flange Factory are widely uesed in the industry markets,like Oil & Gas development,power plant,chemical industrial,shipbuilding & offshore,steel constructions,water treatment etc.
WN Flange Nominal Size:A Outside diameter of flange:D Diameter of bolt hole centre circle:C
Diameter of bolt hole:h Inside diameter:d(14) Raised face Diameter:g Raised face Height:f
Thickness of flange:t Diameter of hub Small diameter side:a Diameter of hub Large diameter side:b(15)
Taper of hub:x Totle length of flange:T Radius of fillet:r(15)
Sub-stitutional diamension of WN Thickness of flange:t Sub-stitutional diamension of WN Taper of hub:X
Number of bolt |
Nominal designnation of thread of bolt |
|||||||||||||||
A | D | C | h | d(14) | g | f | t | a | b(15) | x | T | r(15) | t | x | ||
10 15 20 |
75 80 85 |
55 60 65 |
12 12 12 |
4 4 4 |
M10 M10 M10 |
12.7 16.1 21.6 |
39 44 49 |
1 1 1 |
9 9 10 |
17.3 21.7 27.2 |
26 31 38 |
1.25 1.25 1.25 |
24 25 28 |
4 4 4 |
– – – |
– – – |
25 32 40 |
95 115 120 |
75 90 95 |
12 15 15 |
4 4 4 |
M10 M12 M12 |
27.6 35.7 41.6 |
59 70 75 |
1 2 2 |
10 12 12 |
34.0 42.7 48.6 |
46 55 62 |
1.25 1.25 1.25 |
30 33 34 |
4 4 4 |
– – – |
– – – |
50 65 80 |
130 155 180 |
105 130 145 |
15 15 19 |
4 4 4 |
M12 M12 M16 |
52.9 67.9 80.7 |
85 110 121 |
2 2 2 |
14 14 14 |
60.5 76.3 89.1 |
73 91 105 |
1.25 1.25 1.25 |
36 39 41 |
4 4 4 |
– – – |
– – – |
90 100 125 |
190 200 235 |
155 165 200 |
19 19 19 |
4 8 8 |
M16 M16 M16 |
93.2 105.3 130.8 |
131 141 176 |
2 2 2 |
14 16 16 |
101.6 114.3 139.8 |
117 128 156 |
1.25 1.25 1.25 |
41 41 43 |
4 4 4 |
– – – |
– – – |
150 175 200 |
265 300 320 |
230 260 280 |
19 23 23 |
8 8 8 |
M16 M20 M20 |
155.2 180.1 204.7 |
206 232 252 |
2 2 2 |
18 18 20 |
165.2 190.7 216.3 |
184 209 235 |
1.25 1.25 1.25 |
49 49 53 |
4 4 4 |
– – – |
– – – |
225 250 300 |
345 385 430 |
305 345 390 |
23 23 23 |
12 12 12 |
M20 M20 M20 |
229.4 254.2 304.7 |
277 317 360 |
2 2 3 |
20 22 22 |
241.8 267.4 318.5 |
261 290 342 |
1.25 1.25 1.25 |
54 61 62 |
4 4 4 |
– – – |
– – – |
350 400 450 |
480 540 605 |
435 495 555 |
25 25 25 |
12 16 16 |
M22 M22 M22 |
339.8 390.6 441.4 |
403 463 523 |
3 3 3 |
24 24 24 |
355.6 406.4 457.2 |
385 438 491 |
1.25 1.25 1.25 |
73 76 79 |
4 4 5 |
– – – |
– – – |
500 550 600 |
655 720 770 |
605 665 715 |
25 27 27 |
20 20 20 |
M22 M24 M24 |
492.2 543.0 593.8 |
573 630 680 |
3 3 3 |
24 26 26 |
508.0 558.8 609.6 |
541 593 643 |
1.25 1.25 1.25 |
79 81 81 |
5 5 5 |
– – – |
– – – |
650 700 750 |
825 875 945 |
770 820 880 |
27 27 33 |
24 24 24 |
M24 M24 M30 |
644.6 695.4 746.2 |
735 785 840 |
3 3 3 |
26 26 28 |
660.4 711.2 762.0 |
698 748 802 |
1.25 1.5 1.5 |
85 94 100 |
5 5 5 |
– 36 38 |
– 1.25 1.25 |
800 850 900 |
995 1045 1095 |
930 980 1030 |
33 33 33 |
24 24 24 |
M30 M30 M30 |
797.0 847.8 898.6 |
890 940 990 |
3 3 3 |
28 28 30 |
812.8 863.6 914.4 |
852 902 952 |
1.5 1.75 1.75 |
100 108 108 |
5 5 5 |
38 38 40 |
1.25 1.5 1.5 |
1000 1100 1200 |
1195 1305 1420 |
1130 1240 1350 |
33 33 33 |
28 28 32 |
M30 M30 M30 |
1000.2 1098.6 1200.2 |
1090 1200 1305 |
3 3 3 |
32 32 34 |
1016.0 1117.6 1219.2 |
1052 1162 1272 |
2 2 2 |
116 136 155 |
5 8 8 |
50 56 62 |
1.5 1.5 1.5 |
1350 1500 |
1575 1730 |
1505 1660 |
33 33 |
32 36 |
M30 M30 |
1346.2 1498.6 |
1460 1615 |
3 3 |
34 36 |
1371.6 1524.0 |
1427 1582 |
2 2 |
164 172 |
8 10 |
62 66 |
1.5 1.5 |
Hebei Haihao Group as one of the earliest flange manufacturer,has strong experience in flange production and quality inspection and a complete set of equipments,including advanced cutting,forging,machining,drilling machines and professional testing & inspection instruments.