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hebeihaihao

Hebei haihao high pressure flange & pipe fitting group was established in 1982, located in Mengcun County the hometown of pipe fittings in China.


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JIS B2220 5K Blind Flange,BL Flange Manufacturer


JIS B2220 Blind Flange,JIS B2220 5K Blind Flange,JIS B2220 BL Flange Manufacture-Hebei Haihao Group

Haihao Group manufacture steel pipes,pipe fittings and flanges products according to standard ANSI/ASME B16.5,BS4504,DIN,EN 1092,JIS B2220,GOST etc.

JIS B2220 5K Blind Flange

JIS B2220 5K Blind Flange

We can manufacture JIS B2220 blind flange in the pressure 5K,10K,16K,20K,30K.The JIS B2220 5K blind flange in our company from 10A to 1500A,the products’ materials in our company can be carbon steel,stainless steel,alloy steel etc.

The sealing face for the JIS B2220 5K blind flange can be raised face(RF),flat face(FF),ring type joint(RTJ) or as customer’s requirements.

The JIS B2220 5K blind flange dimensions as follows:

BL Flange
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
75
80
85
55
60
65
12
12
12
4
4
4
M10
M10
M10
9
9
10
25
32
40
95
115
120
75
90
95
12
15
15
4
4
4
M10
M12
M12
10
12
12
50
65
80
130
155
180
105
130
145
15
15
19
4
4
4
M12
M12
M16
14
14
14
90
100
125
190
200
235
155
165
200
19
19
19
4
8
8
M16
M16
M16
14
16
16
150
175
200
265
300
320
230
260
280
19
23
23
8
8
8
M16
M20
M20
18
18
20
225
250
300
345
385
430
305
345
390
23
23
23
12
12
12
M20
M20
M20
20
22
22
350
400
450
480
540
605
435
495
555
25
25
25
12
16
16
M22
M22
M22
24
24
24
500
550
600
655
720
770
605
665
715
25
27
27
20
20
20
M22
M24
M24
24
26
26
650
700
750
825
875
945
770
820
880
27
27
33
24
24
24
M24
M24
M30
28
30
32
800
850
900
995
1045
1095
930
980
1030
33
33
33
24
24
24
M30
M30
M30
34
36
36
1000
1100
1200
1195
1305
1420
1130
1240
1350
33
33
33
28
28
32
M30
M30
M30
40
44
48
1350
1500
1575
1730
1505
1660
33
33
32
36
M30
M30
54
58

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 clients,such as Exxon Mobil,Shell,CNPC,SINOPEC,Unilever,Chevron,Pemex,Petrobras,Hyandai etc.

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