#2 MARINE EQUIPMENT
JIS B2220 Steel Flange
JIS B2220 Steel Flange
Brand: RM
Size: DN10-DN1500
Material: Carbon steel / Alloy steel / Stainless steel
Our JIS B2220 steel flanges are manufactured in strict accordance with Japanese standards, ensuring accuracy, durability, and consistent performance for various piping systems.
Available in stainless steel, carbon steel, and alloy steel, our JIS flanges provide excellent strength and corrosion resistance, suitable for marine and industrial environments.
Product Details
Unit:mm
| Nominal size A | Joined dimension | Inside diameter | Depth of socket S | Nominal designa- tion of thread | Raised face | |||||||||
| Outside diameter of flange D | Diameter of bolt hole centre circle C | Diameter of bolt hole h | Number of bolt | Nominal designa- tion of thread of bolt | do | do | d(14) | (infor- mative d | Diameter g | Height f | ||||
| SOP,SOH,SW,LJ,TR,WN,IT,BL | SOP,SOH, SW | LJ | SW, WN | IT | SW | TR | WN,IT | |||||||
| 10 | 75 | 55 | 12 | 4 | M10 | 17.8 | -- | 12.7 | 10 | 10 | Rc3/8 | 39 | 1 | |
| 15 | 80 | 60 | 12 | 4 | M10 | 22.2 | 23.4 | 16.1 | 15 | 10 | Rc1/2 | 44 | 1 | |
| 20 | 85 | 65 | 12 | 4 | M10 | 27.7 | 28.9 | 21.6 | 20 | 13 | Rc3/4 | 49 | 1 | |
| 25 | 95 | 75 | 12 | 4 | M10 | 34.5 | 35.6 | 27.6 | 25 | 13 | Rc1 | 59 | 1 | |
| 32 | 115 | 90 | 15 | 4 | M12 | 43.2 | 44.3 | 35.7 | 32 | 13 | Rc1-1/4 | 70 | 2 | |
| 40 | 120 | 95 | 15 | 4 | M12 | 49.1 | 50.4 | 41.6 | 40 | 13 | Rc1-1/2 | 75 | 2 | |
| 50 | 130 | 105 | 15 | 4 | M12 | 61..1 | 62.7 | 52.9 | 50 | 16 | Rc2 | 85 | 2 | |
| 65 | 155 | 130 | 15 | 4 | M12 | 77.1 | 78.7 | 67.9 | 65 | 16 | Rc2-1/2 | 110 | 2 | |
| 80 | 180 | 145 | 19 | 4 | M16 | 90.0 | 91.6 | 80.7 | 80 | 16 | Rc3 | 121 | 2 | |
| 90 | 190 | 155 | 19 | 4 | M16 | 102.6 | 104.1 | 93.7 | 90 | -- | -- | 131 | 2 | |
| 100 | 200 | 165 | 19 | 8 | M16 | 115.4 | 116.9 | 105.3 | 100 | -- | Rc4 | 141 | 2 | |
| 125 | 235 | 200 | 19 | 8 | M16 | 141.2 | 143.0 | 130.8 | 125 | -- | Rc5 | 176 | 2 | |
| 150 | 265 | 230 | 19 | 8 | M16 | 166.6 | 168.4 | 155.2 | 150 | -- | Rc6 | 206 | 2 | |
| 175 | 300 | 260 | 23 | 8 | M20 | 192.1 | -- | 180.1 | 175 | -- | -- | 232 | 2 | |
| 200 | 320 | 280 | 23 | 8 | M20 | 218.0 | 219.5 | 204.7 | 200 | -- | -- | 252 | 2 | |
| 225 | 345 | 305 | 23 | 12 | M20 | 243.7 | -- | 229.4 | 225 | -- | -- | 277 | 2 | |
| 250 | 385 | 345 | 23 | 12 | M20 | 269.5 | 271.7 | 254.2 | 250 | -- | -- | 317 | 2 | |
| 300 | 430 | 390 | 23 | 12 | M20 | 321.0 |  322.8 | 304.7 | 300 | -- | -- | 360 | 2 | |
| 350 | 480 | 435 | 25 | 12 | M22 | 358.1 | 360.2 | 339.8 | 350 | -- | -- | 403 | 3 | |
| 400 | 540 | 495 | 25 | 16 | M22 | 409 | 411.2 | 390.6 | 400 | -- | -- | 463 | 3 | |
| 450 | 605 | 555 | 25 | 16 | M22 | 460 | 462.3 | 441.4 | 450 | -- | -- | 523 | 3 | |
| 500 | 655 | 605 | 25 | 20 | M22 | 511 | 514.4 | 492.2 | 500 | -- | -- | 573 | 3 | |
| 550 | 720 | 665 | 27 | 20 | M24 | 562 | 565.2 | 543.0 | 550 | -- | -- | 630 | 3 | |
| 600 | 770 | 715 | 27 | 20 | M24 | 613 | 565.2 | 593.8 | 600 | -- | -- | 680 | 3 | |
| 650 | 825 | 770 | 27 | 24 | M24 | 664 | -- | 644.6 | 650 | -- | -- | 735 | 3 | |
| 700 | 875 | 820 | 27 | 24 | M24 | 715 | -- | 695.4 | 700 | -- | -- | 785 | 3 | |
| 750 | 945 | 880 | 33 | 24 | M30 | 766 | -- | 746.2 | 750 | -- | -- | 840 | 3 | |
| 800 | 995 | 930 | 33 | 24 | M30 | 817 | -- | 797.0 | 800 | -- | -- | 890 | 3 | |
| 850 | 1045 | 980 | 33 | 24 | M30 | 868 | -- | 847.8 | 850 | -- | -- | 940 | 3 | |
| 900 | 1095 | 1030 | 33 | 24 | M30 | 919 | -- | 898.6 | 900 | -- | -- | 990 | 3 | |
| 1000 | 1195 | 1130 | 33 | 28 | M30 | 1021 | -- | 1000.2 | 1000 | -- | -- | 1090 | 3 | |
| 1100 | 1305 | 1240 | 33 | 28 | M30 | 1122 | -- | 1098.6 | 1100 | -- | -- | 1200 | 3 | |
| 1200 | 1420 | 1350 | 33 | 32 | M30 | 1224 | -- | 1200.2 | 1200 | -- | -- | 1305 | 3 | |
| 1350 | 1575 | 1505 | 33 | 32 | M30 | 1376 | -- | 1346.2 | 1350 | -- | -- | 1460 | 3 | |
| 1500 | 1730 | 1660 | 33 | 36 | M30 | 1529 | -- | 1498.6 | 1500 | -- | -- | 1615 | 3 | |
Notes: Adjustment shall be made according to the inside diameter of the steel pipes to be joined with.
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