JIS B2220 5K Integral Flange

JIS B2220 5K Integral Flange,JIS B2220 5K Long Weld Neck Flange,JIS 5K IT Flange,JIS 5K LWN Flange-Haihao Flange Factory

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.Our flange products contain:weld neck flange(WN flange),slip on flange(SO flange),blind flange(BL flange),socket weld flange(SW flange),threaded flange(TR flange),lap joint flange(LJ flange),integral flange/long weld neck flange(IT/LWN flange),orifice flange,spectacle blind flange and so on.We supply the flange products in all kinds flange standards,such as:ANSI/ASME B16.5,B16.36,B16.47 Flange,B16.48,DIN Flange,EN1092 Flange,BS 4504 Flange,AS2129 Flange,JIS B2220 Flange,KS B1503 Flange,UNI Flange,ISO7005 Flange,GOST Flange,API 6A /6B Flange,SABS Flange,NS Flange etc.

JIS B2220 5K Integral Flange In Haihao Group

JIS B2220 5K Integral Flange In Haihao Group

Integral flange(IT flange) also called long weld neck flange(LWN flange),it means a welding neck flange has a very long neck.The JIS B2220 5K integral flange nominal size from 10A to 1500A,the material for the products can be carbon steel,stainless steel,alloy steel etc.The raw materials are all supplied by Bao steel group and Shougang steel group which belong to Chinese government.

The JIS B2220 5K Integral Flange/Long Weld Neck Flange Dimension As Follows:

Outside diameter of flange: D        Diameter of bolt hole: h        Inside diameter: d        Raised face diameter: g
Raised face height: f        Thickness of flange: t        Diameter of hub large diameter side: b(15)
Taper of hub Mini-mum: x       Radius of fillet: r(15)

Nomi-
nal
Size
      Number of
bolt
Nominal
desig-
nation
of thread of
bolt

 

 

           
A D C h     d g f t b(15) x r(15)
10
15
20
75
80
85
55
60
65
12
12
12
4
4
4
M10
M10
M10
10
15
20
39
44
49
1
1
1
9
9
10
26
31
38
1.25
1.25
1.25
4
4
4
25
32
40
95
115
120
75
90
95
12
15
15
4
4
4
M10
M12
M12
25
32
40
59
70
75
1
2
2
10
12
12
46
55
62
1.25
1.25
1.25
4
4
4
50
65
80
130
155
180
105
130
145
15
15
19
4
4
4
M12
M12
M16
50
65
80
85
110
121
2
2
2
14
14
14
73
91
105
1.25
1.25
1.25
4
4
4
90
100
125
190
200
235
155
165
200
19
19
19
4
8
8
M16
M16
M16
90
100
125
131
141
176
2
2
2
14
16
16
117
128
156
1.25
1.25
1.25
4
4
4
150
175
200
265
300
320
230
260
280
19
23
23
8
8
8
M16
M20
M20
150
175
200
206
232
252
2
2
2
18
18
20
184
209
235
1.25
1.25
1.25
4
4
4
225
250
300
345
385
430
305
345
390
23
23
23
12
12
12
M20
M20
M20
225
250
300
277
317
360
2
2
3
20
22
22
261
290
342
1.25
1.25
1.25
4
4
4
350
400
450
480
540
605
435
495
555
25
25
25
12
16
16
M22
M22
M22
340
400
450
403
463
523
3
3
3
24
24
24
385
438
491
1.25
1.25
1.25
4
4
5
500
550
600
655
720
770
605
665
715
25
27
27
20
20
20
M22
M24
M24
500
550
600
573
630
680
3
3
3
24
26
26
541
593
643
1.25
1.25
1.25
5
5
5
650
700
750
825
875
945
770
820
880
27
27
33
24
24
24
M24
M24
M30
650
700
750
735
785
840
3
3
3
26
26
28
698
748
802
1.25
1.5
1.5
5
5
5
800
850
900
995
1045
1095
930
980
1030
33
33
33
24
24
24
M30
M30
M30
800
850
900
890
940
990
3
3
3
28
28
30
852
902
952
1.5
1.75
1.75
5
5
5
1000
1100
1200
1195
1305
1420
1130
1240
1350
33
33
33
28
28
32
M30
M30
M30
1000
1100
1200
1090
1200
1305
3
3
3
32
32
34
1052
1162
1272
2
2
2
5
8
8
1350
1500
1575
1730
1505
1660
33
33
32
36
M30
M30
1350
1500
1460
1615
3
3
34
36
1427
1582
2
2
8
10

We also can manufacture other JIS B2220 flange products in high quality,if you are interested in our products,feel free to contact us,Email:sales@haihaogroup.com

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