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What is Butt Weld Eccentric Reducer
Butt weld eccentric reducer is a type of pipe fitting that is used to connect two pipes of different diameters, which is a type of welding that joins the ends of two pipes together by fusing them with heat.
The reducer has a larger diameter on one end and a smaller diameter on the other end, allowing for a smooth transition between the two pipes. Eccentric reducers are often used in piping systems that require a change in flow direction or a reduction in pipe size.
Butt Weld Eccentric Reducer are available in various materials such as carbon steel, stainless steel, alloy steel and pipeline steel. When it comes to the transition between pipes of different diameters, eccentric reducers for butt welds play a crucial role.
Dimension of Butt Weld Eccentric Reducer
Nominal Size | Outside Diameter at Bevel | Center to End | ||||
DN1 | DN2 | NPS1 | NPS2 | OD1 | OD2 | H |
20 | 10-15 | 3/4 | 3/8-1/2 | 26.7 | 17.1-21.3 | 38 |
25 | 15-20 | 1 | 1/2-3/4 | 33.4 | 21.3-26.7 | 51 |
32 | 15-25 | 1 1/4 | 1/2-1 | 42.2 | 21.3-33.4 | 51 |
40 | 15-32 | 1 1/2 | 1/2-1 1/4 | 48.3 | 21.3-42.2 | 64 |
50 | 20-40 | 2 | 3/4-1 1/2 | 60.3 | 26.7-48.3 | 76 |
65 | 25-50 | 2 1/2 | 1-2 | 73.0 | 33.4-60.3 | 89 |
80 | 32-65 | 3 | 1 1/4-2 1/2 | 88.9 | 42.2-73.0 | 89 |
90 | 32-80 | 3 1/2 | 1 1/4-3 | 101.6 | 42.2-88.9 | 102 |
100 | 40-90 | 4 | 1 1/2-3 1/2 | 114.3 | 48.3-101.6 | 102 |
125 | 50-100 | 5 | 2-4 | 141.3 | 60.3-114.3 | 127 |
150 | 65-125 | 6 | 2 1/2-5 | 168.3 | 73.0-141.3 | 140 |
200 | 90-150 | 8 | 3 1/2-6 | 219.1 | 101.6-168.3 | 152 |
250 | 100-200 | 10 | 4-8 | 273.0 | 114.3-219.1 | 178 |
300 | 125-250 | 12 | 5-10 | 323.8 | 141.3-273.0 | 203 |
350 | 150-300 | 14 | 6-12 | 355.6 | 168.3-323.8 | 330 |
400 | 150-350 | 16 | 6-14 | 406.4 | 168.3-355.6 | 356 |
450 | 200-400 | 18 | 8-16 | 457.0 | 219.1-406.4 | 381 |
500 | 250-450 | 20 | 10-18 | 508.0 | 273.0-457.0 | 508 |
550 | 300-500 | 22 | 12-20 | 559.0 | 323.8-508.0 | 508 |
600 | 300-550 | 24 | 12-22 | 610.0 | 323.8-559.0 | 508 |
650 | 350-600 | 26 | 14-24 | 660 | 355.6-610.0 | 610 |
700 | 350-650 | 28 | 14-26 | 711 | 355.6-660.0 | 610 |
750 | 350-700 | 30 | 14-28 | 762 | 355.6-711.0 | 610 |
800 | 500-750 | 32 | 20-30 | 813 | 508.0-762.0 | 610 |
850 | 550-800 | 34 | 22-32 | 864 | 559.0-813.0 | 610 |
900 | 550-850 | 36 | 22-34 | 914 | 559.0-864.0 | 610 |
950 | 600-900 | 38 | 24-36 | 965 | 610.0-914.0 | 610 |
1000 | 700-950 | 40 | 28-38 | 1016 | 711.0-965.0 | 610 |
1050 | 700-1000 | 42 | 28-40 | 1067 | 711.0-1016.0 | 610 |
1100 | 800-1050 | 44 | 32-42 | 1118 | 813.0-1067.0 | 610 |
1150 | 850-1100 | 46 | 34-44 | 1168 | 864.0-1118.0 | 711 |
1200 | 900-1150 | 48 | 36-46 | 1219 | 914.0-1168.0 | 711 |
1300 | 1000-1200 | 52 | 40-48 | 1321 | 1016.0-1219.0 | 711 |
1400 | 1100-1300 | 56 | 40-52 | 1422 | 1016.0-1321.0 | 711 |
1500 | 1100-1400 | 60 | 44-56 | 1524 | 1118.0-1422.0 | 711 |
Standard
The standards of butt weld eccentric reducer reference as below:
ANSI/ASME B16.9
GB/T12459
EN10253
JIS B2311/2312/2313
DIN2605/2615/2616/2617
ASME B16.9 Butt Weld Eccentric Reducer Schedule for reference:
SCH10, SCH20, SCHSTD, SCH40, SCH60, SCH80,
SCH100, SCH120, SCH140, SCH160, SCHXXS
Material
Carbon Steel | Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC |
Low Temperature Steel | Q345B, 16Mn, ASTM A420 WPL6 |
Pipeline Steel | ASTM A860 WPHY 42 / 46 / 56 / 60 / 65 |
Alloy Steel | ASTM A234 WP 5 / WP9 / WP11 / WP12 / WP22 / WP91 / WP92 |
Stainless Steel | ASTM A403 WP304/304L/304H, 316/316L, 310S, 317,347,904L |
Duplex stainless steel | ASTM A815 S32205, S31803, 32750, 32760 |
Butt Weld Eccentric Reducer Packing
What is Butt Weld Eccentric Reducer
Butt weld eccentric reducer is a type of pipe fitting that is used to connect two pipes of different diameters, which is a type of welding that joins the ends of two pipes together by fusing them with heat.
The reducer has a larger diameter on one end and a smaller diameter on the other end, allowing for a smooth transition between the two pipes. Eccentric reducers are often used in piping systems that require a change in flow direction or a reduction in pipe size.
Butt Weld Eccentric Reducer are available in various materials such as carbon steel, stainless steel, alloy steel and pipeline steel. When it comes to the transition between pipes of different diameters, eccentric reducers for butt welds play a crucial role.
Dimension of Butt Weld Eccentric Reducer
Nominal Size | Outside Diameter at Bevel | Center to End | ||||
DN1 | DN2 | NPS1 | NPS2 | OD1 | OD2 | H |
20 | 10-15 | 3/4 | 3/8-1/2 | 26.7 | 17.1-21.3 | 38 |
25 | 15-20 | 1 | 1/2-3/4 | 33.4 | 21.3-26.7 | 51 |
32 | 15-25 | 1 1/4 | 1/2-1 | 42.2 | 21.3-33.4 | 51 |
40 | 15-32 | 1 1/2 | 1/2-1 1/4 | 48.3 | 21.3-42.2 | 64 |
50 | 20-40 | 2 | 3/4-1 1/2 | 60.3 | 26.7-48.3 | 76 |
65 | 25-50 | 2 1/2 | 1-2 | 73.0 | 33.4-60.3 | 89 |
80 | 32-65 | 3 | 1 1/4-2 1/2 | 88.9 | 42.2-73.0 | 89 |
90 | 32-80 | 3 1/2 | 1 1/4-3 | 101.6 | 42.2-88.9 | 102 |
100 | 40-90 | 4 | 1 1/2-3 1/2 | 114.3 | 48.3-101.6 | 102 |
125 | 50-100 | 5 | 2-4 | 141.3 | 60.3-114.3 | 127 |
150 | 65-125 | 6 | 2 1/2-5 | 168.3 | 73.0-141.3 | 140 |
200 | 90-150 | 8 | 3 1/2-6 | 219.1 | 101.6-168.3 | 152 |
250 | 100-200 | 10 | 4-8 | 273.0 | 114.3-219.1 | 178 |
300 | 125-250 | 12 | 5-10 | 323.8 | 141.3-273.0 | 203 |
350 | 150-300 | 14 | 6-12 | 355.6 | 168.3-323.8 | 330 |
400 | 150-350 | 16 | 6-14 | 406.4 | 168.3-355.6 | 356 |
450 | 200-400 | 18 | 8-16 | 457.0 | 219.1-406.4 | 381 |
500 | 250-450 | 20 | 10-18 | 508.0 | 273.0-457.0 | 508 |
550 | 300-500 | 22 | 12-20 | 559.0 | 323.8-508.0 | 508 |
600 | 300-550 | 24 | 12-22 | 610.0 | 323.8-559.0 | 508 |
650 | 350-600 | 26 | 14-24 | 660 | 355.6-610.0 | 610 |
700 | 350-650 | 28 | 14-26 | 711 | 355.6-660.0 | 610 |
750 | 350-700 | 30 | 14-28 | 762 | 355.6-711.0 | 610 |
800 | 500-750 | 32 | 20-30 | 813 | 508.0-762.0 | 610 |
850 | 550-800 | 34 | 22-32 | 864 | 559.0-813.0 | 610 |
900 | 550-850 | 36 | 22-34 | 914 | 559.0-864.0 | 610 |
950 | 600-900 | 38 | 24-36 | 965 | 610.0-914.0 | 610 |
1000 | 700-950 | 40 | 28-38 | 1016 | 711.0-965.0 | 610 |
1050 | 700-1000 | 42 | 28-40 | 1067 | 711.0-1016.0 | 610 |
1100 | 800-1050 | 44 | 32-42 | 1118 | 813.0-1067.0 | 610 |
1150 | 850-1100 | 46 | 34-44 | 1168 | 864.0-1118.0 | 711 |
1200 | 900-1150 | 48 | 36-46 | 1219 | 914.0-1168.0 | 711 |
1300 | 1000-1200 | 52 | 40-48 | 1321 | 1016.0-1219.0 | 711 |
1400 | 1100-1300 | 56 | 40-52 | 1422 | 1016.0-1321.0 | 711 |
1500 | 1100-1400 | 60 | 44-56 | 1524 | 1118.0-1422.0 | 711 |
Standard
The standards of butt weld eccentric reducer reference as below:
ANSI/ASME B16.9
GB/T12459
EN10253
JIS B2311/2312/2313
DIN2605/2615/2616/2617
ASME B16.9 Butt Weld Eccentric Reducer Schedule for reference:
SCH10, SCH20, SCHSTD, SCH40, SCH60, SCH80,
SCH100, SCH120, SCH140, SCH160, SCHXXS
Material
Carbon Steel | Q235, 20#, 35#, 45#, 20G,ASTM A234 WPB/WPC |
Low Temperature Steel | Q345B, 16Mn, ASTM A420 WPL6 |
Pipeline Steel | ASTM A860 WPHY 42 / 46 / 56 / 60 / 65 |
Alloy Steel | ASTM A234 WP 5 / WP9 / WP11 / WP12 / WP22 / WP91 / WP92 |
Stainless Steel | ASTM A403 WP304/304L/304H, 316/316L, 310S, 317,347,904L |
Duplex stainless steel | ASTM A815 S32205, S31803, 32750, 32760 |
Butt Weld Eccentric Reducer Packing
