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JIS B2220 5K Blind Flange

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

Hebei Haihao Group manufacture butt welding pipe fittings,forged pipe fittings,steel pipes and flanges products more than 30 years,our products sell well all over the world.As one of the earliest flange manufacturer,we have 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.

JIS B2220 5K Blind Flange

JIS B2220 5K Blind Flange

We supply the products according to standard ANSI/ASME,API,BS,DIN,EN,JIS,GOST or customer’s requirements.We manufacture JIS B2220 blind flange in the pressure 5K,10K,16K,20K,30K.The nominal size for the JIS B2220 5K blind flange from 10A to 1500A,and the products’ sealing face can be raised face(RF),flat face(FF),ring type joint(RTJ) etc.Our products are widely used in industry field,like Oil,Gas & Petrochemical,Energy & Power plant,Chemical industrial,Shipbuilding & Offshore Development.The raw materials for our products are supplied by Bao Steel Group and Shougang Steel Group which belong to Chinese government,which 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 Blind Flange Diamensions:

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

For any flanges needs you may have,please browse through our products list,then feel free to contact us.We always reply within 24 hours.We sincerely welcome customers domestic and abroad to visit us for cooperation.

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