Shanghai Aluso manufacture steel pipes, butt weld pipe fittings, forged pipe fittings and flanges products more than 30 years,we 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.
The JIS B2220 flange products in our company contain: weld neck flange(WN flange), slip on flange(SOP,SOH flange), socket weld flange(SW flange), lap joint flange(LJ flange), threaded flange(TR flange), blind flange(BL flange), integral flange(IT flange).
Threr are two types for the JIS B2220 lap joint flange in our company,the first one looks like a plate flange,the second looks like weld neck flange,the drawing as follows:
We can manufacture JIS B2220 5K lap joint flange, JIS B2220 10K lap joint flange, JIS B2220 16K lap joint flange, JIS B2220 20K lap joint flange in high quality.
JIS B2220 5K lap joint flange size:
The first type JIS B2220 5K lap joint flange nominal size from 15A to 400A,the second type JIS B2220 5K lap joint flange nominal size from 450A to 600A.
JIS B2220 5K lap joint flange materials:
Haihao Group can manufacture the JIS B2220 5K lap joint flanges with carbon steel,stainless steel,alloy steel or according to customer’s requirements.
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.
There are the JIS B2220 5K lap joint flange dimensions,as follows:
LJ
| Outside diameter
| Diameter of bolt hole centre circle
| Number of bolt hole
| Number of bolt | Nominal design-ation of thread of bolt | Inside
| Thick-ness of Flange
| Diam-eter of hub
| Diam-eter of hub
| Totle length of flange
| Cham
| Radius of field
|
A | D | C | h | d0 | t | a | b | T | c | r | ||
| 15 20 | 80 85 | 60 65 | 12 12 | 4 4 | M10 M10 | 23.4 28.9 | 9 10 | 27 33 | 30 36 | 13 15 | 3 3 | 4 4 |
| 25 32 40 | 95 115 120 | 75 90 95 | 12 15 15 | 4 4 4 | M10 M12 M12 | 35.6 44.3 50.4 | 10 12 12 | 41 50 56 | 44 53 66 | 17 19 20 | 3 4 4 | 4 4 4 |
| 50 65 80 | 130 155 180 | 105 130 145 | 15 15 19 | 4 4 4 | M12 M12 M16 | 62.7 78.7 91.6 | 14 14 14 | 69 86 99 | 73 91 105 | 24 27 30 | 4 5 5 | 4 4 4 |
| 90 100 125 | 190 200 235 | 155 165 200 | 19 19 19 | 4 8 8 | M16 M16 M16 | 104.1 116.9 143.0 | 14 16 16 | – 127 154 | – 130 161 | – 36 40 | 5 5 6 | – 4 4 |
| 150 175 200 | 265 300 320 | 230 260 280 | 19 23 23 | 8 8 8 | M16 M20 M20 | 168.4 – 219.5 | 18 18 20 | 182 – – | 189 – – | 40 – – | 6 – 6 | 4 – – |
| 225 250 300 | 345 385 430 | 305 345 390 | 23 23 23 | 12 12 12 | M20 M20 M20 | – 271.7 322.8 | 20 22 22 | – – – | – – – | – – – | – 6 9 | – – – |
| 350 400 450 | 480 540 605 | 435 495 555 | 25 25 25 | 12 16 16 | M22 M22 M22 | 360.2 411.2 462.3 | 24 24 24 | – – 495 | – – 500 | – – 40 | 9 9 9 | – – 5 |
| 500 550 600 | 655 720 770 | 605 665 715 | 25 27 27 | 20 20 20 | M22 M24 M24 | 514.4 565.2 616.0 | 24 26 26 | 546 597 648 | 552 603 654 | 40 42 44 | 9 9 9 | 5 5 5 |