JIS B2220 5K Weld Neck Flange
JIS B2220 Flange Products,JIS B2220 5K Weld Neck Flange,5K WN Flanges-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.
We manufacture flange products according to standard ANSI/ASME,BS,DIN,EN,JIS,GOST,SABS or customer’s requirements(flange standards).The JIS B2220 5K weld neck flange nominal size from 15A to 600A.The products are widely used in industry fields,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development etc.
JIS B2220 5K Weld Neck Flange In Haihao Flange Factory
JIS B2220 5K weld neck flange(5K WN Flanges) dimensions:
| WN Flange Nomi- nal Size |
Out- side diam- eter of flange |
Diam- eter of bolt hole centre circle |
Diam- eter of bolt hole |
Num- ber of bolt |
Nom -inal desig- nation of thr- ead of bolt |
Inside diam- eter |
Raised face Diam -eter |
Rai- sed face Hei- ght |
Thick- ness of flange |
Diam- eter of hub Small diam- eter side |
Diam- eter of hub Large diam- eter side |
Taper of hub |
Totle length of fla- nge |
Radi- us of fillet |
Sub- stitu- tional diame- nsion of WN Thick- ness of flange |
Sub- stitu- tional diam- ension of WN Taper of hub |
| 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 |
The raw materials for flanges are all supplied by Bao steel group and Shougang steel group which belong to Chinese government.Our plant acquired world class approved quality certifications like the API,ISO9001,ISO14001,CE/PED,ABS and we keep the cooperation with many professional third perty inspection agencies,such as the SGS,BV,LR,ABS,VELOSI etc.