ASME B16.9 5D Pipe Bend, 5D radius elbow, ANSI/ASME B16.9, B16.28, MSS SP-75.

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Buttweld 5D pipe bend Specifications

Dimensions:
ASME B16.9, MSS SP-75, ASME B16.28.
Size:
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.
Thickness:
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).
Form:
5D Bends: Long Radius, Short Radius, Custom Radius, Segmented Bends, Mitred Bends, 45-Degree, 90-Degree, 180-Degree Return Bends.
Materials:
Stainless Steel, Carbon Steel, Alloy Steel, Super Duplex, Duplex Steel, High Nickel Alloys, Copper Nickel.

Reliable Manufacturer of 5D bend pipe fitting, Welded 5D Bend, 5D elbow steel, 5D elbow carbon steel, 5D stainless steel elbow, Seamless 5D Elbow, MSS SP-75 GI 5D Pipe Bend in size range from 1/2" to 72" Inch, SCH 5 to XXS.

The term "5D" refers to the bend radius, which is five times the nominal diameter of the pipe. For example, in a 5D elbow with a nominal pipe diameter of 100 mm, the radius of the bend would be 500 mm. The radius of a 5D elbow is five times the diameter of the pipe, making it a long-radius elbow. This provides a smoother flow and reduces pressure loss compared to short-radius elbows. 5D elbows are essential components in various piping systems where smooth, efficient flow is critical. Their design allows for a gentler turn in the pipe, reducing turbulence and pressure loss. They are used across different industries and must be manufactured and installed according to specific standards to ensure performance and reliability.

Installing a 5D pipe bend involves several key steps to ensure proper alignment and functionality. First, ensure the pipe and bend are clean and free from debris. Position the 5D bend in the desired location, aligning it with the adjoining pipes to maintain smooth flow transitions. Secure the bend using appropriate fittings or weld it into place, depending on the installation requirements. Check for correct alignment and fit, and make any necessary adjustments to avoid stress on the bend and connected pipes. Finally, inspect the installation for leaks or misalignments and test the system to confirm proper operation. Proper installation is crucial for maintaining system efficiency and preventing potential issues.

5D elbows are generally more expensive than short-radius elbows because of their larger radius and the additional complexity involved in their manufacturing. The process requires more material and precision to create the smooth, gradual curve that minimizes flow turbulence and pressure loss. While this results in a higher cost, the enhanced performance and reduced maintenance needs can make the investment worthwhile, especially in applications where flow efficiency and system longevity are critical.

ASME B16.9 5D Pipe Elbow Dimensions

Nominal Pipe Size (NPS)	Radius (R) (in)	Leg Length (L1 & L2) (in)	Centerline Radius (CLR) (in)	Wall Thickness (T)	Outside Diameter (OD) (mm)
1/2"	2.5	2.5	2.5	Variable	21.3
3/4"	3.75	3.75	3.75	Variable	26.7
1"	5	5	5	Variable	33.4
1.5"	7.5	7.5	7.5	Variable	48.3
2"	10	10	10	Variable	60.3
3"	15	15	15	Variable	88.9
4"	20	20	20	Variable	114.3
6"	30	30	30	Variable	168.3
8"	40	40	40	Variable	219.1
10"	50	50	50	Variable	273.1
12"	60	60	60	Variable	323.9
14"	70	70	70	Variable	355.6
16"	80	80	80	Variable	406.4
18"	90	90	90	Variable	457.0
20"	100	100	100	Variable	508.0
24"	120	120	120	Variable	609.6
26" (Welded)	130	130	130	Variable	660.4
28" (Welded)	140	140	140	Variable	711.2
30" (Welded)	150	150	150	Variable	762.0
32" (Welded)	160	160	160	Variable	812.8
34" (Welded)	170	170	170	Variable	863.6
36" (Welded)	180	180	180	Variable	914.4
40" (Welded)	200	200	200	Variable	1016
42" (Welded)	210	210	210	Variable	1067
48" (Welded)	240	240	240	Variable	1219
54" (Welded)	270	270	270	Variable	1372
60" (Welded)	300	300	300	Variable	1524
72" (Welded)	360	360	360	Variable	1829

Dimension Tolerances for 5D Bend

Dimension	Tolerance	Notes
Radius (R)	±1% of the radius	Example: For a 500 mm radius, tolerance is ±5 mm.
Leg Length (L1 & L2)	±1% of the leg length	Example: For a 200 mm leg length, tolerance is ±2 mm.
Wall Thickness (T)	±10% of the nominal thickness	Example: For a 5 mm wall thickness, tolerance is ±0.5 mm.
Angle	±1 degree	For specific angles, refer to standards or manufacturer specs.
Out-of-Roundness	±1% of the diameter	Ensures the bend maintains a consistent round profile.
End-to-End Length	±1% of the specified length	Distance between the ends of the straight sections.