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Manufacturing Standard of Concentric Reducer
Standard have relation to the process of butt weld fittings includes ASME/ANSI B16.9, ASME B16.28, MSS-SP-43. ASME/ANSI B16.9 is the standard for all the weld fittings that are wrought butt welded and are produced in factories with the size that range from NPS 1/2"to NPS 48", it is evaluated from MSS-SP-43, which is the standard for stainless steel and alloy steel fittings.
ASME B16.9 concentric reducer is a component in a piping system that changes the pipe size from a larger to a smaller bore. Butt weld concentric reducer is used in various applications that involved in high pressure, vibration & temperature. They are widely used in chemical, petroleum, shipbuilding, gas, power sectors.
So for the requirement in the newest version, we should have apply ASME B16.9 concentric reducer.
Dimensions and Weight of ASME B16.9 Concentric Reducer
Due to the change in size and thickness, the dimension must be different in each end of the reducer. When we calculate the weight, which data should we do the estimate on? The answer is basing on the larger data, for example, we have a ASME B16.9 concentric reduce in size of 5" X 4", thickness of SCH 80 X SCH40, due to the manufacturing process, the larger end usually with a smaller thickness, we need to refer to data 5 inches and SCH80 to have the weight.
NPS | O.D. | O.D. | Length |
D | D1 | H | |
3/4 - 1/2 | 26.7 | 21.3 | 38 |
1-1/2 | 33.4 | 21.3 | 51 |
1-3/4 | 33.4 | 26.7 | 51 |
1.1/4 - 1/2 | 42.2 | 21.3 | 51 |
1.1/4 - 3/4 | 42.2 | 26.7 | 51 |
1.1/4 - 1 | 42.2 | 33.4 | 51 |
1.1/2 - 1/2 | 48.3 | 21.3 | 64 |
1.1/2 - 3/4 | 48.3 | 26.7 | 64 |
1.1/2 - 1 | 48.3 | 33.4 | 64 |
1.1/2 - 1.1/4 | 48.3 | 42.2 | 64 |
2-3/4 | 60.3 | 26.7 | 76 |
2-1 | 60.3 | 33.4 | 76 |
2 - 1.1/4 | 60.3 | 42.2 | 76 |
2 - 1.1/2 | 60.3 | 48.3 | 76 |
2.1/2 - 1 | 73 | 33.4 | 89 |
2.1/2 - 1.1/4 | 73 | 42.2 | 89 |
2.1/2 - 1.1/2 | 73 | 48.3 | 89 |
2.1/2 - 2 | 73 | 60.3 | 89 |
3 - 1.1/4 | 88.9 | 42.2 | 89 |
3 - 1.1/2 | 88.9 | 48.3 | 89 |
3-2 | 88.9 | 60.3 | 89 |
3 - 2.1/2 | 88.9 | 73 | 89 |
3.1/2 - 1.1/4 | 101.6 | 42.2 | 102 |
3.1/2 - 1.1/2 | 101.6 | 48.3 | 102 |
3.1/2 - 2 | 101.6 | 60.3 | 102 |
3.1/2 - 2.1/2 | 101.6 | 73 | 102 |
3.1/2 - 3 | 101.6 | 88.9 | 102 |
4 - 1.1/2 | 114.3 | 48.3 | 102 |
4-2 | 114.3 | 60.3 | 102 |
4 - 2.1/2 | 114.3 | 73 | 102 |
4-3 | 114.3 | 88.9 | 102 |
4 - 3.1/2 | 114.3 | 101.6 | 102 |
5-2 | 141.3 | 60.3 | 127 |
5 - 2.1/2 | 141.3 | 73 | 127 |
5-3 | 141.3 | 88.9 | 127 |
5 - 3.1/2 | 141.3 | 101.6 | 127 |
5-4 | 141.3 | 114.3 | 127 |
6 - 2.1/2 | 168.3 | 73 | 140 |
6-3 | 168.3 | 88.9 | 140 |
6 - 3.1/2 | 168.3 | 101.6 | 140 |
6-4 | 168.3 | 114.3 | 140 |
6-5 | 168.3 | 141.3 | 140 |
8 - 3.1/2 | 219.1 | 101.6 | 152 |
8-4 | 219.1 | 114.3 | 152 |
8-5 | 219.1 | 141.3 | 152 |
8-6 | 219.1 | 168.3 | 152 |
10-4 | 273 | 114.3 | 178 |
10-5 | 273 | 141.3 | 178 |
10-6 | 273 | 168.3 | 178 |
10-8 | 273 | 219.1 | 178 |
12-5 | 323.9 | 141.3 | 203 |
12-6 | 323.9 | 168.3 | 203 |
12-8 | 323.9 | 219.1 | 203 |
12-10 | 323.9 | 273 | 203 |
14-6 | 355.6 | 168.3 | 330 |
14-8 | 355.6 | 219.1 | 330 |
14-10 | 355.6 | 273 | 330 |
14-12 | 355.6 | 323.9 | 330 |
16-8 | 406.4 | 219 | 356 |
16-10 | 406.4 | 273 | 356 |
16-12 | 406.4 | 323.9 | 356 |
16 - 14 | 406.4 | 355.6 | 356 |
18-10 | 457 | 273 | 381 |
18-12 | 457 | 323.9 | 381 |
18 - 14 | 457 | 355.6 | 381 |
18 - 16 | 457 | 406.4 | 381 |
45646 | 508 | 323.9 | 508 |
20 - 14 | 508 | 355.6 | 508 |
20 - 16 | 508 | 406.4 | 508 |
20 - 18 | 508 | 457 | 508 |
22 - 14 | 559 | 355.6 | 508 |
22 - 16 | 559 | 406.4 | 508 |
22 - 18 | 559 | 457 | 508 |
22 - 20 | 559 | 508 | 508 |
24 - 16 | 610 | 406.4 | 508 |
24 - 18 | 610 | 457 | 508 |
24 - 20 | 610 | 508 | 508 |
24 - 22 | 610 | 559 | 508 |
26 - 18 | 660 | 457 | 610 |
26 - 20 | 660 | 508 | 610 |
26 - 22 | 660 | 559 | 610 |
26 - 24 | 660 | 610 | 610 |
28 - 18 | 711 | 457 | 610 |
28 - 20 | 711 | 508 | 610 |
28 - 24 | 711 | 610 | 610 |
28 - 26 | 711 | 660 | 610 |
30 - 20 | 762 | 508 | 610 |
30 - 24 | 762 | 610 | 610 |
30 - 26 | 762 | 660 | 610 |
30 - 28 | 762 | 711 | 610 |
32 - 24 | 813 | 610 | 610 |
32 - 26 | 813 | 660 | 610 |
32 - 28 | 813 | 711 | 610 |
32 - 30 | 813 | 762 | 610 |
34 - 24 | 864 | 610 | 610 |
34 - 26 | 864 | 660 | 610 |
34 - 30 | 864 | 762 | 610 |
34 - 32 | 864 | 813 | 610 |
36 - 24 | 914 | 610 | 610 |
36 - 26 | 914 | 660 | 610 |
36 - 30 | 914 | 762 | 610 |
36 - 32 | 914 | 813 | 610 |
36 - 34 | 914 | 864 | 610 |
38 - 26 | 965 | 660 | 610 |
38 - 28 | 965 | 711 | 610 |
38 - 30 | 965 | 762 | 610 |
38 - 32 | 965 | 813 | 610 |
38 - 34 | 965 | 864 | 610 |
38 - 36 | 965 | 914 | 610 |
40 - 30 | 1016 | 762 | 610 |
40 - 32 | 1016 | 813 | 610 |
40 - 34 | 1016 | 864 | 610 |
40 - 36 | 1016 | 914 | 610 |
40 - 38 | 1016 | 965 | 6 |
Material of Concentric Reducer
The main type of the butt weld fittings is A234/A420/A403/A860, under that requirement their are many different grade stand for different material type. For example WPB standard for carbon steel, WP9 is a kind of low alloy steel.
Carbon steel | ASTM A234 WPB; |
Low temperature steel | A420 WPL3/6/9; |
Pipeline steel | A860 WPHY 42/46/52/56/60/65/70; |
Alloy steel | A234 WP5/9/11/12/22/91/92; |
Stainless Steel | A403 WP304/316/317/310S/321/347/904L |
Usage of Concentric Reducer
Energy industries
Fluid piping
Home appliances
Heat exchangerOil and gas industry
Pulp and paper industry
Power plants
Pharmaceutical processing industry
Synthetic fiberTextile machinery
Manufacturing Standard of Concentric Reducer
Standard have relation to the process of butt weld fittings includes ASME/ANSI B16.9, ASME B16.28, MSS-SP-43. ASME/ANSI B16.9 is the standard for all the weld fittings that are wrought butt welded and are produced in factories with the size that range from NPS 1/2"to NPS 48", it is evaluated from MSS-SP-43, which is the standard for stainless steel and alloy steel fittings.
ASME B16.9 concentric reducer is a component in a piping system that changes the pipe size from a larger to a smaller bore. Butt weld concentric reducer is used in various applications that involved in high pressure, vibration & temperature. They are widely used in chemical, petroleum, shipbuilding, gas, power sectors.
So for the requirement in the newest version, we should have apply ASME B16.9 concentric reducer.
Dimensions and Weight of ASME B16.9 Concentric Reducer
Due to the change in size and thickness, the dimension must be different in each end of the reducer. When we calculate the weight, which data should we do the estimate on? The answer is basing on the larger data, for example, we have a ASME B16.9 concentric reduce in size of 5" X 4", thickness of SCH 80 X SCH40, due to the manufacturing process, the larger end usually with a smaller thickness, we need to refer to data 5 inches and SCH80 to have the weight.
NPS | O.D. | O.D. | Length |
D | D1 | H | |
3/4 - 1/2 | 26.7 | 21.3 | 38 |
1-1/2 | 33.4 | 21.3 | 51 |
1-3/4 | 33.4 | 26.7 | 51 |
1.1/4 - 1/2 | 42.2 | 21.3 | 51 |
1.1/4 - 3/4 | 42.2 | 26.7 | 51 |
1.1/4 - 1 | 42.2 | 33.4 | 51 |
1.1/2 - 1/2 | 48.3 | 21.3 | 64 |
1.1/2 - 3/4 | 48.3 | 26.7 | 64 |
1.1/2 - 1 | 48.3 | 33.4 | 64 |
1.1/2 - 1.1/4 | 48.3 | 42.2 | 64 |
2-3/4 | 60.3 | 26.7 | 76 |
2-1 | 60.3 | 33.4 | 76 |
2 - 1.1/4 | 60.3 | 42.2 | 76 |
2 - 1.1/2 | 60.3 | 48.3 | 76 |
2.1/2 - 1 | 73 | 33.4 | 89 |
2.1/2 - 1.1/4 | 73 | 42.2 | 89 |
2.1/2 - 1.1/2 | 73 | 48.3 | 89 |
2.1/2 - 2 | 73 | 60.3 | 89 |
3 - 1.1/4 | 88.9 | 42.2 | 89 |
3 - 1.1/2 | 88.9 | 48.3 | 89 |
3-2 | 88.9 | 60.3 | 89 |
3 - 2.1/2 | 88.9 | 73 | 89 |
3.1/2 - 1.1/4 | 101.6 | 42.2 | 102 |
3.1/2 - 1.1/2 | 101.6 | 48.3 | 102 |
3.1/2 - 2 | 101.6 | 60.3 | 102 |
3.1/2 - 2.1/2 | 101.6 | 73 | 102 |
3.1/2 - 3 | 101.6 | 88.9 | 102 |
4 - 1.1/2 | 114.3 | 48.3 | 102 |
4-2 | 114.3 | 60.3 | 102 |
4 - 2.1/2 | 114.3 | 73 | 102 |
4-3 | 114.3 | 88.9 | 102 |
4 - 3.1/2 | 114.3 | 101.6 | 102 |
5-2 | 141.3 | 60.3 | 127 |
5 - 2.1/2 | 141.3 | 73 | 127 |
5-3 | 141.3 | 88.9 | 127 |
5 - 3.1/2 | 141.3 | 101.6 | 127 |
5-4 | 141.3 | 114.3 | 127 |
6 - 2.1/2 | 168.3 | 73 | 140 |
6-3 | 168.3 | 88.9 | 140 |
6 - 3.1/2 | 168.3 | 101.6 | 140 |
6-4 | 168.3 | 114.3 | 140 |
6-5 | 168.3 | 141.3 | 140 |
8 - 3.1/2 | 219.1 | 101.6 | 152 |
8-4 | 219.1 | 114.3 | 152 |
8-5 | 219.1 | 141.3 | 152 |
8-6 | 219.1 | 168.3 | 152 |
10-4 | 273 | 114.3 | 178 |
10-5 | 273 | 141.3 | 178 |
10-6 | 273 | 168.3 | 178 |
10-8 | 273 | 219.1 | 178 |
12-5 | 323.9 | 141.3 | 203 |
12-6 | 323.9 | 168.3 | 203 |
12-8 | 323.9 | 219.1 | 203 |
12-10 | 323.9 | 273 | 203 |
14-6 | 355.6 | 168.3 | 330 |
14-8 | 355.6 | 219.1 | 330 |
14-10 | 355.6 | 273 | 330 |
14-12 | 355.6 | 323.9 | 330 |
16-8 | 406.4 | 219 | 356 |
16-10 | 406.4 | 273 | 356 |
16-12 | 406.4 | 323.9 | 356 |
16 - 14 | 406.4 | 355.6 | 356 |
18-10 | 457 | 273 | 381 |
18-12 | 457 | 323.9 | 381 |
18 - 14 | 457 | 355.6 | 381 |
18 - 16 | 457 | 406.4 | 381 |
45646 | 508 | 323.9 | 508 |
20 - 14 | 508 | 355.6 | 508 |
20 - 16 | 508 | 406.4 | 508 |
20 - 18 | 508 | 457 | 508 |
22 - 14 | 559 | 355.6 | 508 |
22 - 16 | 559 | 406.4 | 508 |
22 - 18 | 559 | 457 | 508 |
22 - 20 | 559 | 508 | 508 |
24 - 16 | 610 | 406.4 | 508 |
24 - 18 | 610 | 457 | 508 |
24 - 20 | 610 | 508 | 508 |
24 - 22 | 610 | 559 | 508 |
26 - 18 | 660 | 457 | 610 |
26 - 20 | 660 | 508 | 610 |
26 - 22 | 660 | 559 | 610 |
26 - 24 | 660 | 610 | 610 |
28 - 18 | 711 | 457 | 610 |
28 - 20 | 711 | 508 | 610 |
28 - 24 | 711 | 610 | 610 |
28 - 26 | 711 | 660 | 610 |
30 - 20 | 762 | 508 | 610 |
30 - 24 | 762 | 610 | 610 |
30 - 26 | 762 | 660 | 610 |
30 - 28 | 762 | 711 | 610 |
32 - 24 | 813 | 610 | 610 |
32 - 26 | 813 | 660 | 610 |
32 - 28 | 813 | 711 | 610 |
32 - 30 | 813 | 762 | 610 |
34 - 24 | 864 | 610 | 610 |
34 - 26 | 864 | 660 | 610 |
34 - 30 | 864 | 762 | 610 |
34 - 32 | 864 | 813 | 610 |
36 - 24 | 914 | 610 | 610 |
36 - 26 | 914 | 660 | 610 |
36 - 30 | 914 | 762 | 610 |
36 - 32 | 914 | 813 | 610 |
36 - 34 | 914 | 864 | 610 |
38 - 26 | 965 | 660 | 610 |
38 - 28 | 965 | 711 | 610 |
38 - 30 | 965 | 762 | 610 |
38 - 32 | 965 | 813 | 610 |
38 - 34 | 965 | 864 | 610 |
38 - 36 | 965 | 914 | 610 |
40 - 30 | 1016 | 762 | 610 |
40 - 32 | 1016 | 813 | 610 |
40 - 34 | 1016 | 864 | 610 |
40 - 36 | 1016 | 914 | 610 |
40 - 38 | 1016 | 965 | 6 |
Material of Concentric Reducer
The main type of the butt weld fittings is A234/A420/A403/A860, under that requirement their are many different grade stand for different material type. For example WPB standard for carbon steel, WP9 is a kind of low alloy steel.
Carbon steel | ASTM A234 WPB; |
Low temperature steel | A420 WPL3/6/9; |
Pipeline steel | A860 WPHY 42/46/52/56/60/65/70; |
Alloy steel | A234 WP5/9/11/12/22/91/92; |
Stainless Steel | A403 WP304/316/317/310S/321/347/904L |
Usage of Concentric Reducer
Energy industries
Fluid piping
Home appliances
Heat exchangerOil and gas industry
Pulp and paper industry
Power plants
Pharmaceutical processing industry
Synthetic fiberTextile machinery
