KS B1503 20k Flange Dimensions
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Get Complete details of Korean Standard Flanges
Nominal Diameter of Flanges |
Outside Diameter of Flanges D |
flange Sectional Dimensions |
Reference |
Diameter of Bolt Circle C |
Diameter Ofย raised Face g |
Inside DaimeterOf Flanges do |
O.D. of Steel pipe |
t |
T |
Hub Diameter |
Radius r |
f |
D |
Bolt Holes Number |
Holes Dia. H |
SIZE Of Bolt |
S1 |
M |
S2 |
N |
L |
a |
b |
10 |
90 |
65 |
46 |
17.8 |
17.3 |
14 |
20 |
30 |
32 |
4 |
1 |
โ |
4 |
15 |
M12 |
27 |
4 |
27 |
4 |
โ |
15 |
95 |
70 |
51 |
22.2 |
21.7 |
14 |
20 |
34 |
36 |
4 |
1 |
โ |
4 |
15 |
M12 |
31 |
4 |
31 |
4 |
โ |
20 |
100 |
75 |
56 |
27.7 |
27.2 |
16 |
22 |
40 |
42 |
4 |
1 |
โ |
4 |
15 |
M12 |
37 |
4 |
37 |
4 |
โ |
25 |
125 |
90 |
67 |
34.5 |
34 |
16 |
24 |
48 |
50 |
4 |
1 |
ใ |
4 |
19 |
M16 |
44 |
4 |
44 |
4.5 |
โ |
32 |
135 |
100 |
76 |
43.2 |
42.7 |
18 |
26 |
56 |
60 |
5 |
2 |
โ |
4 |
19 |
M16 |
52 |
4 |
53 |
5 |
โ |
40 |
140 |
105 |
81 |
49.1 |
48.6 |
18 |
26 |
62 |
66 |
5 |
2 |
โ |
4 |
19 |
M16 |
58 |
4 |
59 |
5.5 |
โ |
50 |
155 |
120 |
96 |
61.1 |
60.5 |
18 |
26 |
76 |
80 |
5 |
2 |
โ |
8 |
19 |
M16 |
70 |
4 |
72 |
5.5 |
โ |
65 |
175 |
140 |
116 |
77.7 |
76.3 |
20 |
30 |
100 |
104 |
5 |
2 |
65.9 |
8 |
19 |
M16 |
94 |
6 |
โ |
โ |
6 |
80 |
200 |
160 |
132 |
90 |
89.1 |
22 |
34 |
113 |
117 |
6 |
2 |
78.1 |
8 |
23 |
M20 |
107 |
6 |
โ |
โ |
6 |
-90 |
210 |
170 |
145 |
102.6 |
101.6 |
24 |
36 |
126 |
130 |
6 |
2 |
90.2 |
8 |
23 |
M20 |
120 |
6 |
โ |
โ |
6 |
100 |
225 |
185 |
160 |
115.4 |
114.3 |
24 |
36 |
138 |
142 |
6 |
2 |
102.3 |
8 |
23 |
M20 |
132 |
6 |
โ |
โ |
6 |
125 |
270 |
225 |
195 |
141.2 |
139.8 |
26 |
40 |
166 |
172 |
6 |
2 |
126.6 |
8 |
25 |
M22 |
160 |
7 |
โ |
โ |
6 |
150 |
305 |
260 |
230 |
166.6 |
165.2 |
28 |
42 |
196 |
202 |
6 |
2 |
151 |
12 |
25 |
M22 |
186 |
8 |
โ |
โ |
6 |
200 |
350 |
305 |
275 |
218 |
216.3 |
30 |
46 |
244 |
252 |
6 |
2 |
199.9 |
12 |
25 |
M22 |
237 |
9 |
โ |
โ |
6 |
250 |
430 |
380 |
345 |
269.5 |
267.4 |
34 |
52 |
304 |
312 |
6 |
2 |
248.8 |
12 |
27 |
M24 |
290 |
10 |
โ |
โ |
6 |
300 |
480 |
430 |
395 |
321 |
318.5 |
36 |
56 |
354 |
364 |
8 |
3 |
297.9 |
16 |
27 |
M24 |
345 |
11 |
โ |
โ |
6 |
350 |
540 |
480 |
440 |
358.1 |
355.6 |
40 |
62 |
398 |
408 |
8 |
3 |
333.4 |
16 |
33 |
M30X3 |
384 |
12 |
โ |
โ |
6 |
400 |
605 |
540 |
495 |
409 |
406.4 |
46 |
70 |
446 |
456 |
10 |
3 |
381 |
16 |
33 |
M30X3 |
437 |
13 |
โ |
โ |
7 |
450 |
675 |
605 |
560 |
460 |
457.2 |
48 |
78 |
504 |
514 |
10 |
3 |
431.8 |
20 |
33 |
M30X3 |
490 |
15 |
โ |
โ |
7 |
500 |
730 |
660 |
615 |
511 |
508 |
50 |
84 |
558 |
568 |
10 |
3 |
482.6 |
20 |
33 |
M30X3 |
544 |
16 |
โ |
โ |
7 |
-550 |
795 |
720 |
670 |
562 |
558.8 |
52 |
90 |
612 |
622 |
10 |
3 |
533.4 |
20 |
39 |
M36X3 |
595 |
16 |
โ |
โ |
7 |
600 |
845 |
770 |
720 |
613 |
609.6 |
54 |
96 |
666 |
676 |
10 |
3 |
584.2 |
24 |
39 |
M36X3 |
646 |
18 |
โ |
โ |
7 |
*650 |
945 |
850 |
790 |
664 |
660.4 |
60 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
24 |
48 |
M45X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
*700 |
995 |
900 |
840 |
715 |
711.2 |
64 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
24 |
48 |
M45X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
*750 |
1080 |
970 |
900 |
766 |
762 |
68 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
24 |
56 |
M52X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
*800 |
1140 |
1030 |
960 |
817 |
812.8 |
72 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
24 |
56 |
M52X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
*850 |
1200 |
1090 |
1020 |
868 |
863.6 |
74 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
24 |
56 |
M52X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
*900 |
1250 |
1140 |
1070 |
919 |
914.4 |
76 |
ใ |
ใ |
ใ |
ใ |
5 |
ใ |
28 |
56 |
M52X3 |
ใ |
ใ |
ใ |
ใ |
ใ |
KS B1503 20k Flange Industries and Applications
Widely used in the industries
- Pumps, Valves, and vessels in manufacturing and food processing.
- Pipe connections in industrial waterworks.
- Heat exchangers and heating systems of all sizes.
- Mining support.
- Nuclear power systems.
- Plumbing and mechanical systems.
- Assemblies in the oil, gas, and petrochemical industries.
- Fire protection systems.
KS B1503 20k Flange Supply and Export Network
List of Cities and Countries