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PIPE&TUBE
FORGED FLANGE
FORGED FITTING

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FITTING
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reducer KS B 1541/1543, JIS B 2312/2313 unit : mm
Nominal
Pipe Size		 Outside
Diameter		 Wall Thickness T End to
End H
OD1 OD2 Sch 5s Sch 10s Sch 20s
T1 T2 T1 T2 T1 T2
25x20A
25x15A		 34.0
34.0		 27.2
21.7		 1.65
1.65		 1.65
1.65		 2.8
2.8		 2.1
2.1		 3.0
3.0		 2.5
2.5		 50.8
50.8
32x25A
32x20A		 42.7
42.7		 34.0
27.2		 1.65
1.65		 1.65
1.65		 2.8
2.8		 2.8
2.1		 3.0
3.0		 3.0
2.5		 50.8
50.8
40x32A
40x25A
40x20A		 48.6
48.6
48.6		 42.7
34.0
27.2		 1.65
1.65
1.65		 1.65
1.65
1.65		 2.8
2.8
2.8		 2.8
2.8
2.1		 3.0
3.0
3.0		 3.0
3.0
2.5		 63.5
63.5
63.5
50x40A
50x32A
50x25A		 60.5
60.5
60.5		 48.6
42.7
34.0		 1.65
1.65
1.65		 1.65
1.65
1.65		 2.8
2.8
2.8		 2.8
2.8
2.8		 3.5
3.5
3.5		 3.0
3.0
3.0		 76.2
76.2
76.2
65x50A
65x40A
65x32A		 76.3
76.3
76.3		 60.5
48.6
42.7		 2.10
2.10
2.10		 1.65
1.65
1.65		 3.0
3.0
3.0		 2.8
2.8
2.8		 3.5
3.5
3.5		 3.5
3.0
3.0		 88.9
88.9
88.9
80x65A
80x50A
80x40A		 89.1
89.1
89.1		 76.3
60.5
48.6		 2.10
2.10
2.10		 2.10
1.65
1.65		 3.0
3.0
3.0		 3.0
2.8
2.8		 4.0
4.0
4.0		 3.5
3.5
3.0		 88.9
88.9
88.9
90x80A
90x65A
90x50A		 101.6
101.6
101.6		 89.1
76.3
60.5		 2.10
2.10
2.10		 2.10
2.10
1.65		 3.0
3.0
3.0		 3.0
3.0
2.8		 4.0
4.0
4.0		 4.0
3.5
3.5		 101.6
101.6
101.6
100x90A
100x80A
100x65A
100x50A		 114.3
114.3
114.3
114.3		 101.6
89.1
76.3
60.5		 2.10
2.10
2.10
2.10		 2.10
2.10
2.10
1.65		 3.0
3.0
3.0
3.0		 3.0
3.0
3.0
2.8		 4.0
4.0
4.0
4.0		 4.0
4.0
3.5
3.5		 101.6
101.6
101.6
101.6
125x100A
125x90A
125x80A
125x65A		 139.8
139.8
139.8
139.8		 114.3
101.6
89.1
76.3		 2.80
2.80
2.80
2.80		 2.10
2.10
2.10
2.10		 3.4
3.4
3.4
3.4		 3.0
3.0
3.0
3.0		 5.0
5.0
5.0
5.0		 4.0
4.0
4.0
4.0		 127.0
127.0
127.0
127.0
150x125A
150x100A
150x90A
150x80A		 165.2
165.2
165.2
165.2		 139.8
114.3
101.6
89.1		 2.80
2.80
2.80
2.80		 2.80
2.10
2.10
2.10		 3.4
3.4
3.4
3.4		 3.4
3.0
3.0
3.0		 5.0
5.0
5.0
5.0		 5.0
4.0
4.0
4.0		 139.7
139.7
139.7
139.7
200x150A
200x125A
200x100A		 216.3
216.3
216.3		 165.2
139.8
114.3		 2.80
2.80
2.80		 2.80
2.80
2.10		 4.0
4.0
4.0		 3.4
3.4
3.0		 6.5
6.5
6.5		 5.0
5.0
4.0		 152.4
152.4
152.4
250x200A
250x150A
250x125A
250x100A		 267.4
267.4
267.4
267.4		 216.3
165.2
139.8
114.3		 3.4
3.4
3.4
3.4		 2.8
2.8
2.8
2.1		 4.0
4.0
4.0
4.0		 4.0
3.4
3.4
3.0		 6.5
6.5
6.5
6.5		 6.5
5.0
5.0
4.0		 177.8
177.8
177.8
177.8
300x250A
300x200A
300x150A
300x125A		 318.5
318.5
318.5
318.5		 267.4
216.3
165.2
139.8		 4.0
4.0
4.0
4.0		 3.4
2.8
2.8
2.8		 4.5
4.5
4.5
4.5		 4.0
4.0
3.4
3.4		 6.5
6.5
6.5
6.5		 6.5
6.5
5.0
5.0		 203.2
203.2
203.2
203.2
350x300A
350x250A
350x200A
350x150A		 355.6
355.6
355.6
355.6		 318.5
267.4
216.3
165.2		 4.0
4.0
4.0
4.0		 4.0
3.4
2.8
2.8		 4.8
4.8
4.8
4.8		 4.5
4.0
4.0
3.4		 8.0
8.0
8.0
8.0		 6.5
6.5
6.5
5.0		 330.2
330.2
330.2
330.2
400x350A
400x300A
400x250A
400x200A		 406.4
406.4
406.4
406.4		 355.6
318.5
267.4
216.3		 4.2
4.2
4.2
4.2		 4.0
4.0
3.4
2.8		 4.8
4.8
4.8
4.8		 4.8
4.5
4.0
4.0		 8.0
8.0
8.0
8.0		 8.0
6.5
6.5
6.5		 355.6
355.6
355.6
355.6
450x400A
450x350A
450x350A
450x250A		 457.2
457.2
457.2
457.2		 406.4
355.6
318.5
267.4		 4.2
4.2
4.2
4.2		 4.2
4.0
4.0
3.4		 4.8
4.8
4.8
4.8		 4.8
4.8
4.5
4.0		 8.0
8.0
8.0
8.0		 8.0
8.0
6.5
6.5		 381.0
381.0
381.0
381.0
500x450A
500x400A
500x350A
500x300A		 508.0
508.0
508.0
508.0		 457.2
406.4
355.6
318.5		 4.8
4.8
4.8
4.8		 4.2
4.2
4.0
4.0		 5.5
5.5
5.5
5.5		 4.8
4.8
4.8
4.5		 9.5
9.5
9.5
9.5		 8.0
8.0
8.0
6.5		 508.0
508.0
508.0
508.0
550x500A
550x450A
550x400A		 558.8
558.8
558.8		 508.0
457.2
406.4		 4.8
4.8
4.8		 4.8
4.2
4.2		 5.5
5.5
5.5		 5.5
4.8
4.8		 -
-
-		 -
-
-		 508.0
508.0
508.0
600x550A
600x500A
600x450A		 609.6
609.6
609.6		 508.0
508.0
457.2		 5.5
5.5
5.5		 4.8
4.8
4.2		 6.4
6.4
6.4		 5.5
5.5
4.8		 -
-
-		 -
-
-		 508.0
508.0
508.0
750x600A 762.0 609.6 6.4 5.5 7.9 6.4 - - 609.6
reducer KS B 1541/1543, JIS B 2312/2313 unit : mm
Nominal
Pipe Size		 Outside
Diameter		 Wall Thickness T H
OD1 OD2 7.9T STD XS
400x350A
400x300A
400x250A
400x200A		 406.4
406.4
406.4
406.4		 355.6
318.6
267.4
216.3		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 355.6
355.6
355.6
355.6
450x400A
450x350A
450x300A
450x250A		 457.2
457.2
457.2
457.2		 406.4
355.6
318.5
267.4		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 381.0
381.0
381.0
381.0
500x450A
500x400A
500x350A
500x300A		 508.0
508.0
508.0
508.0		 457.2
406.4
355.6
318.5		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 508.0
508.0
508.0
508.0
550x500A
550x450A
550x400A
550x350A		 558.8
558.8
558.8
558.8		 508.0
457.2
406.4
355.6		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 508.0
508.0
508.0
508.0
600x550A
600x500A
600x450A
600x400A		 609.6
609.6
609.6
609.6		 558.8
508.0
457.2
406.4		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 508.0
508.0
508.0
508.0
650x600A
650x550A
650x500A
650x450A		 660.4
660.4
660.4
660.4		 609.6
558.8
508.0
457.2		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
700x650A
700x600A
700x550A
700x500A		 711.2
711.2
711.2
711.2		 660.4
609.6
558.8
508.0		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
750x700A
750x650A
750x600A
750x550A		 762.0
762.0
762.0
762.0		 711.2
660.4
609.6
558.8		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
800x750A
800x700A
800x650A
800x600A		 812.8
812.8
812.8
812.8		 762.0
711.2
660.4
609.6		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
850x800A
850x750A
850x700A
850x650A		 863.6
863.6
863.6
863.6		 812.8
762.0
711.2
660.4		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
900x850A
900x800A
900x750A
900x700A		 914.4
914.4
914.4
914.4		 863.6
812.8
762.0
711.2		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
950x900A
950x850A
950x800A
950x750A		 965.2
965.2
965.2
965.2		 914.4
863.6
812.8
762.0		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
1000x950A
1000x900A
1000x850A
1000x800A		 1016.0
1016.0
1016.0
1016.0		 965.2
914.4
863.6
812.8		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
1050x1000A
1050x950A
1050x900A
1050x850A		 1066.8
1066.8
1066.8
1066.8		 1016.0
965.2
914.4
863.6		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
1100x1050A
1100x1000A
1100x950A
1100x900A		 1117.6
1117.6
1117.6
1117.6		 1066.8
1016.0
965.2
914.4		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 609.6
609.6
609.6
609.6
1150x1100A
1150x1050A
1150x1000A
1150x950A		 1168.4
1168.4
1168.4
1168.4		 1117.6
1066.8
1016.0
965.2		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 711.2
711.2
711.2
711.2
1200x1150A
1200x1100A
1200x1050A
1200x1000A		 1219.2
1219.2
1219.2
1219.2		 1168.4
1117.6
1066.8
1016.0		 7.9
7.9
7.9
7.9		 9.5
9.5
9.5
9.5		 12.7
12.7
12.7
12.7		 711.2
711.2
711.2
711.2