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Reducing elbows are a pipe connector with an inlet and an outlet in two different bore sizes. Only long radius reducing elbows are available. They are sparingly used where there is a space constraint.
Product | Butt Weld Reducing Elbow, Long Radius Reducing Elbow |
Size | 1/8″ NB TO 48″ NB (Seamless & Welded) |
Wall Thickness: Sch.5S to Sch.XXS | |
Bending Radius | R=1.5D, 2D, 3D, 5D, 6D, 8D, 10D or Custom Pipe Fittings |
Material | carbon steel ASTM, A234, WPB / A420, WPL3 / A420, WPL6 / MSS-SP-75, WPHY 42 / 46 / 52 / 56 / 60 / 65 / 70 |
Stainless Steel ASTM, A403, WP304 / 304L / 304H / 316 / 316L / 317 / 317L / 321 / 310 / 347 / 904L | |
ALLOY STEEL ASTM A234 WP1 / WP5 / WP9 / WP11 / WP22 / WP91 | |
Duplex stainless steel: UNS31803, SAF2205, UNS32205, UNS31500 |
2. Butt Weld Long Radius Reducing Elbow Standard
ASTM A234 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Moderate and High Temperature Service |
ASTM A420 | Standard Specification for Piping Fittings of Wrought Carbon Steel and Alloy Steel for Low-Temperature Service |
ASTM A403 | Standard Specification for Wrought Austenitic Stainless Steel Piping Fittings |
ASTM A694 | Standard Specification for Carbon and Alloy Steel Forgings for Pipe Flanges, Fittings, Valves, and Parts for High-Pressure Transmission Service |
| NPS1 | NPS2 | OD1 | OD2 | A |
| 2 | 1-1/2 | 60.3 | 48.3 | 76 |
| 2 | 1-1/4 | 60.3 | 42.2 | 76 |
| 2 | 1 | 60.3 | 33.4 | 76 |
| 2-1/2 | 2 | 73.0 | 60.3 | 95 |
| 2-1/2 | 1-1/2 | 73.0 | 48.3 | 95 |
| 2-1/2 | 1-1/4 | 73.0 | 42.2 | 95 |
| 3 | 2-1/2 | 88.9 | 73.0 | 114 |
| 3 | 2 | 88.9 | 60.3 | 114 |
| 3 | 1-1/2 | 88.9 | 48.3 | 114 |
| 3-1/2 | 3 | 101.6 | 88.9 | 133 |
| 3-1/2 | 2-1/2 | 101.6 | 73.0 | 133 |
| 3-1/2 | 2 | 101.6 | 60.3 | 133 |
| 4 | 3-1/2 | 114.3 | 101.6 | 152 |
| 4 | 3 | 114.3 | 88.9 | 152 |
| 4 | 2-1/2 | 114.3 | 73.0 | 152 |
| NPS1 | NPS2 | OD1 | OD2 | A |
| 4 | 2 | 114.3 | 60.3 | 152 |
| 5 | 4 | 141.3 | 114.3 | 190 |
| 5 | 3-1/2 | 141.3 | 101.6 | 190 |
| 5 | 3 | 141.3 | 88.9 | 190 |
| 5 | 2-1/2 | 141.3 | 73.0 | 190 |
| 20 | 10 | 508.0 | 273.0 | 762 |
| 6 | 5 | 168.3 | 141.3 | 229 |
| 6 | 4 | 168.3 | 114.3 | 229 |
| 6 | 3-1/2 | 168.3 | 101.6 | 229 |
| 6 | 3 | 168.3 | 88.9 | 229 |
| 24 | 16 | 610.0 | 406.4 | 914 |
| 8 | 6 | 219.1 | 168.3 | 305 |
| 8 | 5 | 219.1 | 141.3 | 305 |
| 8 | 4 | 219.1 | 114.3 | 305 |
| 10 | 8 | 273.0 | 219.1 | 381 |
| NPS1 | NPS2 | OD1 | OD2 | A |
| 10 | 6 | 273.0 | 168.3 | 381 |
| 10 | 5 | 273.0 | 141.3 | 381 |
| 12 | 10 | 323.8 | 273.0 | 457 |
| 12 | 8 | 323.8 | 219.1 | 457 |
| 12 | 6 | 323.8 | 168.3 | 457 |
| 14 | 12 | 355.6 | 323.8 | 533 |
| 14 | 10 | 355.6 | 273.0 | 533 |
| 14 | 8 | 355.6 | 219.1 | 533 |
| 16 | 14 | 406.4 | 355.6 | 610 |
| 16 | 12 | 406.4 | 323.8 | 610 |
| 16 | 10 | 406.4 | 273.0 | 610 |
| 18 | 16 | 457.0 | 406.4 | 686 |
| 18 | 14 | 457.0 | 355.6 | 686 |
| 18 | 12 | 457.0 | 323.8 | 686 |
| 18 | 10 | 457.0 | 273.0 | 686 |
| NPS1 | NPS2 | OD1 | OD2 | A |
| 20 | 18 | 508.0 | 457.0 | 762 |
| 20 | 16 | 508.0 | 406.4 | 762 |
| 20 | 14 | 508.0 | 355.6 | 762 |
| 20 | 12 | 508.0 | 323.8 | 762 |
| 24 | 22 | 610.0 | 559.0 | 914 |
| 24 | 20 | 610.0 | 508.0 | 914 |
| 24 | 18 | 610.0 | 457.0 | 914 |
| 24 | 14 | 610.0 | 355.6 | 914 |
| 24 | 12 | 610.0 | 323.8 | 914 |
Butt Weld Reducing Elbows Dimensions as per ASME B16.9. All dimensions are in mm.
Elbow Weight in LBS and KG, Long Radius Schedule – Buttweld Reducing Elbow Weight
Type | SCHEDULE STD | Schedule XS | ||
NPS | LBS | KG | LBS | KG |
2-1½ | 1.3 | 0.59 | 1.8 | 0.82 |
2-1¼ | 1.2 | 0.54 | 1.65 | 0.75 |
2-1 | 1.1 | 0.5 | 1.5 | 0.68 |
2-3/4 | – | – | – | – |
2½-2 | 2.45 | 1.11 | 3.25 | 1.47 |
2½-1½ | 2.2 | 1 | 2.9 | 1.32 |
2½-1¼ | 2.1 | 0.95 | 2.75 | 1.25 |
2½-1 | – | – | – | – |
3-2½ | 4.15 | 1.88 | 5.5 | 2.49 |
3-2 | 3.5 | 1.59 | 4.7 | 2.13 |
3-1½ | 3.2 | 1.45 | 4.3 | 1.95 |
3-1¼ | – | – | – | – |
3½-3 | 6 | 2.72 | 8.2 | 3.72 |
3½-2½ | 5.4 | 2.45 | 7.25 | 3.29 |
3½-2 | 4.5 | 2.04 | 6.3 | 2.86 |
3½-1½ | – | – | – | – |
3½-1¼ | – | – | – | – |
4-3½ | 8.2 | 3.72 | 11.3 | 5.13 |
4-3 | 7.5 | 3.4 | 10.4 | 4.72 |
4-2½ | 10.5 | 4.76 | 9.3 | 4.22 |
4-2 | 5.95 | 2.7 | 8.25 | 3.74 |
4-1½ | – | – | – | – |
5-4 | 13.1 | 5.94 | 18.4 | 8.35 |
5-3½ | 12.2 | 5.53 | 17.1 | 7.76 |
5-3 | 11.4 | 5.17 | 16 | 7.26 |
5-2½ | 10.5 | 4.76 | 14.7 | 6.67 |
5-2 | – | – | – | – |
6-5 | 20.7 | 9.39 | 30.5 | 13.83 |
6-4 | 18.4 | 8.35 | 26.9 | 12.2 |
6-3½ | 17.3 | 7.85 | 25.4 | 11.52 |
6-3 | 16.4 | 7.44 | 24 | 10.89 |
6-2½ | – | – | – | – |
8-6 | 39.2 | 17.78 | 59.4 | 26.94 |
8-5 | 35.5 | 16.1 | 52.9 | 24 |
8-4 | 32.4 | 14.7 | 48.2 | 21.86 |
8-3½ | – | – | – | – |
10-8 | 71.2 | 32.3 | 101 | 45.81 |
10-6 | 61.2 | 27.76 | 85.8 | 38.92 |
10-5 | 56.7 | 25.72 | 77.7 | 35.24 |
10-4 | – | – | – | – |
12-10 | 111.5 | 50.58 | 149.1 | 67.63 |
12-8 | 96.5 | 43.77 | 134 | 60.78 |
12-6 | 84.7 | 38.42 | 116 | 52.62 |
5. Price list of SCHEDULE 40 Butt Weld Long Radius Reducing Elbow
Estan Pipe Fittings is one of the manufacturers and suppliers of Buttweld Fittings from China. Our prices for Long Radius Reducing Elbow Buttweld Fittings are very reasonable.
Please contact us for the latest price list and available stock information along with your requirements. We maintain a stock of all standard items and export them at the best price for Long Radius Reducing Elbow.
6. Pipe Elbow Process
Butt weld reducing elbows can be manufactured in different ways, the main ones are the “mandrel process” and the “cold forming” (other methods are the elliptical forming and the double-seam welding method).
PIPE ELBOW MANUFACTURING PROCESS-Mandrel Process
PIPE ELBOW MANUFACTURING PROCESS-Cold forming
7. Packing of Butt Weld Long Radius Reducing Elbow
Estan Pipe Fittings emphasizes the packaging to ensure that there is no damage during transit to the long radius reducing elbows. Butt Weld Long Radius Reducing Elbow are packed in export standard plywood pallets/ free fumigation wooden case. They are marked with Grade, Lot No, Size, Degree, etc. You can also contact us for customized marking.
Surface: Light Oiling, Black Painting, Galvanizing, PE /3PE Anti-corrosion Coating
Packing: Export Standard Plywood Pallets/ Free Fumigation Wooden Case.
8. Butt Weld Long Radius Reducing Elbow HS Code
73079390 REDUCING ELBOW, LONG RADIUS, A234 WPB, 6x 3 x SCH 40
73079390 REDUCING ELBOW, LONG RADIUS, A234 WPB, 6x 4 x SCH 40
73079390 REDUCING ELBOW, Long RADIUS, A234 WPB, 4x 3 x SCH 40
73079390 REDUCING ELBOW, LONG RADIUS, A234 WPB, 4x 2 x SCH 40
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