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JIS 10K Flange
JIS 10K Welding Neck Flanges
Standard: JIS B 2220
Flange type: Welding Neck Flange (Designation: WN)
Size range: DN10 - DN600
Pressure: 10K
Material: Stainless steel , Alloy Steel , Carbon Steel
Product Details of JIS 10K Welding Neck Flanges
- Standard: JIS B 2220
- Flange Type: Welding Neck Flange
- Size Range: Nominal pipe sizes 10mm (3/8") to 1000mm (40") (i.e., DN10 - DN1000)
- Pressure: 10K (equivalent to 10kg/cm²)
- Material: Common materials include carbon steel (e.g., ASTM A105, A181, ASTM A516 Gr.60, Gr.70), stainless steel (e.g., ASTM A182 F304, F304L, F316, F316L), and alloy steel (e.g., ASTM A350 LF2, ASTM A182 F5, F9, F11)
- Application: Widely used in oil & gas, marine & shipping industries for connecting pipes, valves and other equipment
Standard: JIS B2220
Flange type: weld neck flange
Size range: DN10 - DN600
Pressure class:10K
Material : Stainless steel , Alloy Steel , Carbon Steel
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Nomina |
Outside |
Inside |
Outside |
Sectional Dimensions of Flange |
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Nomina |
Length 4 |
Approx |
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t |
T 1 |
Diam of Hub |
Radius R 3 |
Raised |
Dlam of g |
Bolt |
Number |
Hole h |
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a |
b |
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10 15 20 |
.17.3 21.7 27.2 |
To be specified By purchaser |
90 95 100 |
12 12 14 |
28.9 30.6 33.9 |
17.3 21.7 27.2 |
25 33 38 |
4 4 4 |
1 1 1 |
46 51 56 |
65 70 75 |
4 4 4 |
15 15 15 |
M12 M12 M12 |
3.5 4.5 6.4 |
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25 32 40 |
34 42.7 48.6 |
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125 135 140 |
14 16 16 |
36.3 40.3 41.2 |
34.0 42.7 48.6 |
47 57 64 |
4 5 5 |
1 2 2 |
67 76 81 |
90 100 105 |
4 4 4 |
19 19 19 |
M16 M16 M16 |
6.0 6.4 5.9 |
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50 65 80 |
60.5 76.3 89.1 |
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155 175 185 |
16 18 18 |
42.9 53.0 53.0 |
60.5 76.3 89.1 |
77 97 109 |
5 5 6 |
2 2 2 |
96 116 126 |
120 140 150 |
4 4 8 |
19 19 19 |
M16 M16 M16 |
6.3 9.1 9.6 |
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(90) 100 125 |
101.6 114.3 139.8 |
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195 210 250 |
18 18 20 |
50.6 54.3 56.2 |
101.6 114.3 139.8 |
120 135 160 |
6 6 6 |
2 2 2 |
136 151 182 |
160 175 210 |
8 8 8 |
19 19 23 |
M16 M16 M20 |
9.6 10.4 10.9 |
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150 (175) 200 |
165.2 190.7 216.3 |
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280 305 330 |
22 22 22 |
65.3 66.1 66.1 |
165.2 190.7 216.3 |
190 215 240 |
6 6 6 |
2 2 2 |
212 237 262 |
240 265 290 |
8 12 12 |
23 23 23 |
M20 M20 M20 |
12.3 13.7 14.4 |
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(225) 250 300 |
241.8 267.4 318.5 |
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350 400 445 |
22 24 24 |
62.3 70.7 75.9 |
241.8 267.4 318.5 |
262 292 346 |
6 6 6 |
2 2 3 |
282 324 368 |
310 355 400 |
12 12 16 |
23 25 25 |
M20 M22 M22 |
15.0 15.9 17.5 |
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350 400 450 |
355.6 406.4 457.2 |
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490 560 620 |
26 28 30 |
83.0 94.4 107.9 |
355.6 406.4 457.2 |
386 442 502 |
8 8 10 |
3 3 3 |
413 475 530 |
445 510 565 |
16 16 20 |
25 27 27 |
M22 M24 M24 |
19.0 21.9 21.9 |
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500 550 600 |
508 558.8 609.6 |
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675 745 795 |
30 32 32 |
110.2 119.9 123.6 |
508.0 558.8 609.6 |
554 610 662 |
10 10 10 |
3 3 3 |
585 640 690 |
620 680 730 |
20 20 24 |
27 33 33 |
M24 M30 M30 |
22.7 23.9 26.1 |
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- ’1"2 '4 DIMENSIONS OF “T”“"“S"“P" ARE MAKER, JUNG ANG'S STANDARD,
- *2 UNDER NOMINAL SIZE 225m/㎡ & UNDER DIMENSION OF “b"IS MAKER, JUNG ANG'S STANDARD.
- ALL DIMENSIONS OF FLANGE WAS DESIGNED ON JIS B2220 & B1503 BASE
