JIS B2220 5K Blind Flange
JIS B2220 Flange Products,JIS B2220 5K Blind Flange,JIS B2220 5K BL Flange-Hebei Haihao Group
Hebei Haihao Flange Factory,established in 1982,is one of the biggest flanges manufacturer in China,we are specialized in the production of forged steel flanges,plate steel flanges etc.The flange products according to flange standards ANSI/ASME,API,BS,DIN,EN,ISO,JIS,GOST,SABS/SANS and customer’s requirements.
Our JIS B2220 flange products contain:JIS B2220 slip on plate flange,JIS B2220 slip on hubbed flange,JIS B2220 blind flange,JIS B2220 weld neck flange,JIS B2220 socket weld flange,JIS B2220 threaded flange,JIS B2220 lap joint flange,JIS B2220 integral flange.
JIS B2220 5K Blind Flange
We can manufacture JIS B2220 blind flange in pressure 5K,10K,16K,20K,30K.The JIS B2220 5K blind flange nominal size from 10A to 1500A.The products’ sealing face can be raised face(RF),flat face(FF),ring type joint(RTJ) or customer’s requirements.We can manufacture flange products with carbon steel,stainless steel,alloy steel etc.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.
The dimensions about JIS B2220 5K blind flange:
| 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 |
Our plant acquired world class approved quality certifications like the API,ISO9001,ISO14001,CE/PED,ABS and we keep the cooperation with many professional third perty inspection agencies,such as the SGS,BV,LR,ABS,VELOSI etc.