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.
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.