JIS B2220 10K Blind Flange

JIS B2220 10K Blind Flange, JIS B2220 10K BL Flanges-Hebei Haihao Flange Factory

Hebei Haihao Flange Factory 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.

We manufacture the flange products according to flange standard ANSI/ASME B16.9,BS 4504,DIN,EN 1092,JIS B2220,GOST etc.The products are widely used in industry field,such as Oil & Gas development,Power plant,Chemical industrial,Shipbuilding & Offshore,Steel constructions,Water treatment etc.The JIS B2220 flange products in our company contian:weld neck flange,slip on flange,blind flange,threaded flange,socket weld flange,lap joint flange,integral flange.

JIS B2220 10K Blind Flanges In Haihao Group

JIS B2220 10K Blind Flanges In Haihao Group

The JIS B2220 10K blind flange(BL Flange) nominal size from 10A to 1500A.Except the 10K pressure,we also can supply the 5K,16K,20K blind flange.The raw materials for the products are supplied by Bao steel group and Shougang steel group which belong to Chinese government.The JIS B2220 10K blind flange dimensions as follow:

Nominal Size Outside diameter
of flange
Diameter of bolt hole Diameter of
bolt hole
Number of bolt Nominal designation
of thread of bolt
Thickness
of Flanget
A D C h     t
10
15
20
90
95
100
65
70
75
15
15
15
4
4
4
M12
M12
M12
12
12
14
25
32
40
125
135
140
90
100
105
19
19
19
4
4
4
M16
M16
M16
14
16
16
50
65
80
155
175
185
120
140
150
19
19
19
4
4
8
M16
M16
M16
16
18
18
90
100
125
195
210
250
160
175
210
19
19
23
8
8
8
M16
M16
M20
18
18
20
150
175
200
280
305
330
240
265
290
23
23
23
8
12
12
M20
M20
M20
22
22
22
225
250
300
350
400
445
310
355
400
23
25
25
12
12
16
M20
M22
M22
22
24
24
350
400
450
490
560
620
445
510
565
25
27
27
16
16
20
M22
M24
M24
26
28
30
500
550
600
675
745
795
620
680
730
27
33
33
20
20
24
M24
M30
M30
30
34
36
650
700
750
845
905
970
780
840
900
33
33
33
24
24
24
M30
M30
M30
38
40
44
800
850
900
1020
1070
1120
950
1000
1050
33
33
33
28
28
28
M30
M30
M30
46
48
50
1000
1100
1200
1235
1345
1465
1160
1270
1380
39
39
39
28
28
32
M36
M36
M36
56
62
66
1350
1500
1630
1795
1540
1700
45
45
36
40
M42
M42
74
82

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.Our clients visited our company and we got acclaim from customers by superior products and good services.We have world-famous clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc.


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