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JIS B2220 10K Weld Neck Flange
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JIS B2220 10K Weld Neck Flange

  • Introduction:Hebei Haihao Group
  • manufacture JIS B2220 10K weld neck flange
  • from 10A to 1500A,the materials are carbon/stainless/alloy steel etc.
  • Email:sales@haihaogroup.com
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  • PRODUCT DETAIL

JIS B2220 10K Weld Neck Flange,JIS B2220 10K WN Flange-Hebei Haihao Flange Factory

Hebei Haihao Group is professional in piping solutions,our piping fittings and flanges products are widely used in industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.We can supply the products according to standard ANSI,ASME,BS,DIN,EN,JIS etc.We also can manufacture the products as per client’s requirements.

JIS B2220 10K Weld Neck Flanges

We can manufacture JIS B2220 flange products in high quality,which contain:weld neck flange,slip on flange,blind flange,threaded flange,socket weld flange,integral flange.We manufacture the JIS B2220 10K weld neck flanges from 10A to 1500A.The raw materials for our products are supplied by Bao Steel Group and Shougang Steel Group which belong to Chinese government,the materials contain carbon steel,stainless steel,alloy steel and so on.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.

The JIS B2220 10K weld neck flange dimensions as follows:
Nominal size: A      Outside diameter of flange: D     Diameter of bolt hole centre circle: C     Diameter of bolt hole: h
Outside diameter of flange: d(18)     Raised face diameter: g     Raised face height: f     Thickness of flange: t
Small diameter side: a     Large diameter side: b(19)     Taper of hub: x     Totle length of flange: T
Radius of fillet: r(19)      Substitutional diamension of WN Thickness of flange: t
Substitutional diamension of WN Taper of hub: x

Number of
bolt		 Nominal
designation
of thread of bolt
A D C h d(18) g f t a b(19) x T r(19) t x
10
15
20		 90
95
100		 65
70
75		 15
15
15		 4
4
4		 M12
M12
M12		 12.7
16.1
21.6		 46
51
56		 1
1
1		 12
12
14		 17.3
21.7
27.2		 28
33
38		 1.25
1.25
1.25		 29
31
32		 4
4
4		 –
–
–		 –
–
–
25
32
40		 125
135
140		 90
100
105		 19
19
19		 4
4
4		 M16
M16
M16		 27.6
35.7
41.6		 67
76
81		 1
2
2		 14
16
16		 34.0
42.7
48.6		 47
56
62		 1.25
1.25
1.25		 36
38
38		 4
4
4		 –
–
–		 –
–
–
50
65
80		 155
175
185		 120
140
150		 19
19
19		 4
4
8		 M16
M16
M16		 52.9
67.9
80.7		 96
116
126		 2
2
2		 16
18
18		 60.5
76.3
89.1		 75
92
105		 1.25
1.25
1.25		 40
44
45		 4
4
5		 –
–
–		 –
–
–
90
100
125		 195
210
250		 160
175
210		 19
19
23		 8
8
8		 M16
M16
M20		 93.2
105.3
130.8		 136
151
182		 2
2
2		 18
18
20		 101.6
114.3
139.8		 117
130
156		 1.25
1.25
1.25		 45
45
47		 5
5
5		 –
–
–		 –
–
–
150
175
200		 280
305
330		 240
265
290		 23
23
23		 8
12
12		 M20
M20
M20		 155.2
180.1
204.7		 212
237
262		 2
2
2		 22
22
22		 165.2
190.7
216.3		 184
210
238		 1.25
1.25
1.25		 53
55
58		 5
5
5		 –
–
–		 –
–
–
225
250
300		 350
400
445		 310
355
400		 23
25
25		 12
12
16		 M20
M22
M22		 229.4
254.2
304.7		 282
324
368		 2
2
3		 22
24
24		 241.8
267.4
318.5		 261
292
345		 1.25
1.25
1.25		 58
65
68		 5
6
6		 –
–
–		 –
–
–
350
400
450		 490
560
620		 445
510
565		 25
27
27		 16
16
20		 M22
M24
M24		 339.8
390.6
441.4		 413
475
530		 3
3
3		 26
28
30		 355.6
406.4
457.2		 388
442
495		 1.25
1.25
1.25		 79
85
90		 6
6
6		 –
–
–		 –
–
–
500
550
600		 675
745
795		 620
680
730		 27
33
33		 20
20
24		 M24
M30
M30		 492.2
543.0
593.8		 585
640
690		 3
3
3		 30
32
32		 508.0
558.8
609.6		 546
597
648		 1.5
1.75
1.75		 99
111
112		 6
6
6		 40
42
42		 1.25
1.5
1.5
650
700
750		 845
905
970		 780
840
900		 33
33
33		 24
24
24		 M30
M30
M30		 644.6
695.4
746.2		 740
800
855		 3
3
3		 34
34
36		 660.4
711.2
762.0		 700
754
807		 1.75
2
2		 116
132
139		 6
6
6		 44
56
60		 1.5
1.5
1.5
800
850
900		 1020
1070
1120		 950
1000
1050		 33
33
33		 28
28
28		 M30
M30
M30		 797.0
847.8
898.6		 905
955
1005		 3
3
3		 36
36
38		 812.8
863.6
914.4		 858
908
959		 2
2
2		 139
139
140		 6
6
6		 60
60
62		 1.5
1.5
1.5
1000
1100
1200		 1235
1345
1465		 1160
1270
1380		 39
39
39		 28
28
32		 M36
M36
M36		 1000.2
1098.6
1200.2		 1110
1220
1325		 3
3
3		 40
42
44		 1016.0
1117.6
1219.2		 1065
1174
1281		 2
2
2		 151
170
182		 6
10
10		 66
72
76		 1.5
1.5
1.5
1350
1500		 1630
1795		 1540
1700		 45
45		 36
40		 M42
M42		 1346.2
1498.6		 1480
1635		 3
3		 48
50		 1371.6
1524.0		 1438
1598		 2
2		 200
218		 10
12		 82
88		 1.5
1.5

After more than 30 years development,Hebei Haihao Group obtained the recognition from the clients and end users of domestic markets and all over the world.We have world-famous reference clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc.

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