ASME B16.9, MSS SP-75, ASME B16.28.
Seamless: NPS 1/2" to 24", OD 21.3 mm to 609.6 mm.
Welded: NPS 26" to 72" and larger, 660.4 mm to 1829 mm and larger.
SCH 5, SCH 10, SCH 20, SCH 30, SCH 40 (STD), SCH 60, SCH 80 (XS), SCH 100, SCH 120, SCH 140, SCH 160, XXS (Double Extra Strong).
10D Bends: Long Radius, Short Radius, Custom Radius, Segmented Bends, Mitred Bends, 45-Degree, 90-Degree, 180-Degree Return Bends.
Stainless Steel, Carbon Steel, Alloy Steel, Super Duplex, Duplex Steel, High Nickel Alloys, Copper Nickel.
A 10D pipe bend or elbow refers to a pipe fitting with a bend radius that is 10 times the nominal diameter of the pipe. This means the radius of the bend is 10 times the diameter of the pipe. The bend radius of a 10D elbow is 10 times the nominal pipe diameter. For example, if the nominal diameter of the pipe is 100 mm, the radius of the 10D elbow will be 1000 mm. A 10D pipe bend/elbow is designed for applications requiring a gradual bend with minimal impact on flow efficiency and pressure loss. It is commonly used in industries such as oil and gas, chemical processing, and power generation.
A seamless 10D elbow is crafted from a single piece of material, ensuring uniform strength and durability throughout the fitting. This construction method provides a consistent material structure without welds, which contributes to its ability to withstand high pressures and harsh conditions. In contrast, a welded 10D elbow is produced by joining sections of pipe through welding, making it a more cost-effective option for larger sizes. While welded elbows may not offer the same seamless continuity of material, they are often used in applications where cost considerations or specific size requirements are paramount. Both types of elbows are designed to facilitate smooth transitions in piping systems, but their choice depends on factors such as material properties, application requirements, and budget constraints.
10D elbows are utilized in various applications to ensure smooth transitions in piping systems by providing gentle, gradual changes in direction. This design helps to minimize turbulence and pressure loss, enhancing overall flow efficiency. They are particularly beneficial in high-pressure or high-flow systems, where maintaining optimal fluid flow is essential. Additionally, 10D elbows are well-suited for long-distance pipelines, where their ability to reduce resistance and maintain consistent flow is critical for effective operation. Their use in these contexts ensures that the piping system operates efficiently and reliably, even under demanding conditions.
Nominal Pipe Size (NPS) | Pipe Diameter (D) (mm) | Bend Radius (10D) (mm) | Angle of Bend | Length of Bend (L) (mm) |
---|---|---|---|---|
1/2" | 21.3 | 213 | 90° | 667 |
3/4" | 26.7 | 267 | 90° | 839 |
1" | 33.4 | 334 | 90° | 1050 |
1 1/2" | 48.3 | 483 | 90° | 1516 |
2" | 60.3 | 603 | 90° | 1894 |
2 1/2" | 73.0 | 730 | 90° | 2294 |
3" | 88.9 | 889 | 90° | 2792 |
4" | 114.3 | 1143 | 90° | 3591 |
5" | 141.3 | 1413 | 90° | 4440 |
6" | 168.3 | 1683 | 90° | 5288 |
8" | 219.1 | 2191 | 90° | 6874 |
10" | 273.1 | 2731 | 90° | 8577 |
12" | 323.9 | 3239 | 90° | 10183 |
14" | 355.6 | 3556 | 90° | 11176 |
16" | 406.4 | 4064 | 90° | 12780 |
18" | 457.0 | 4570 | 90° | 14380 |
20" | 508.0 | 5080 | 90° | 15989 |
24" | 609.6 | 6096 | 90° | 19187 |
Dimension | Tolerance | Example for 1-inch Pipe (10D Bend Radius) |
---|---|---|
Radius | ±1% of specified radius | ±0.1 inches (2.54 mm) |
Angle | ±1° to ±2° | ±1° to ±2° |
Length of Bend (L) | ±1% of calculated length | ±0.31 inches (7.87 mm) |
Centerline Radius | ±1% of specified radius | ±0.1 inches (2.54 mm) |
Straightness | ±0.5% of bend radius | ±0.1 inches (2.54 mm) |
Out-of-Roundness | ±1% of nominal diameter | ±0.01 inches (0.25 mm) |