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JIS B2220 5K Weld Neck Flange
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JIS B2220 5K Weld Neck Flange

  • Introduction:Haihao Group manufacture
  • high quality JIS B2220 5K weld neck flange,
  • the nominal size from 10A to 1500A,
  • the materials can be carbon/stainless/alloy steel etc.
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  • PRODUCT DETAIL

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.

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