Hebei Haihao High Pressure Flange Pipe Fitting Group Co.,Ltd
JIS B2220 5K Weld Neck Flange

JIS B2220 5K Weld Neck Flange

  • PRODUCT DETAIL

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 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.

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