Short radius elbow

Short radius elbows, as the name suggests, are more compact in design. The term "short radius" refers to the bend radius of the elbow being equal to the pipe diameter. This makes them ideal for applications where space is limited or where a sharper turn is required. Although less commonly used than long radius elbows, they are often preferred in low-pressure systems due to their efficiency and ease of installation.

ASME B16.9 SR Elbow Manufacturer in India

ASME B16.9 short radius elbows are typically available in 90-degree configurations. These fittings create a sharper turn compared to long radius elbows, making them suitable for tight spaces. They are manufactured according to the standards set by the American Society of Mechanical Engineers (ASME), which ensures quality and consistency in dimensions, pressure ratings, and material specifications.

Adhering to ASME B16.9 standards guarantees that these fittings meet rigorous requirements for durability, performance, and safety in various industrial applications.

SR Elbow Specification

Short Radius 90 Degree Elbow Dimensions

Short radius reducing elbows are manufactured in sizes from 1/2 to 48 inches

The wide range of sizes available for short radius reducing elbows allows for seamless connections between different pipe diameters in piping systems. This ensures smooth fluid flow and avoids restrictions, making them ideal for plumbing and industrial applications where multiple pipe sizes are involved.

The table below provides the dimensions and size range for short radius elbows.

45 Degree SR Elbow Dimensions

ASME B16.9 Short Radius Elbow Dimensions Inches

In SR Elbow, the radius is the same as the pipe diameter (R=D)

This means that the curvature of the short radius elbow matches the diameter of the pipe. It offers a compact and efficient change in the direction of fluid flow in piping systems. The same-size radius reduces the need for extra steps during installation while ensuring a smooth transition between the pipe and the elbow.

Short Radius Elbow Formula

90-degree short radius elbows are used in situations with sharp turns

The compact structure of this elbow allows it to fit into tight spaces, making it ideal for installations where there's limited room to maneuver. It also helps reduce the overall length of piping runs, which is essential for compressed or space-constrained piping systems.

SS Short Radius Elbow Applications

• Oil and Gas Pipeline
• Water Supply Systems
• Chemical Industry
• Power Plant
• Fabrication Industry
• Structural Pipe
• Paper & Pulp Industry
• Food Processing Industry

45-degree SR elbows cause a greater pressure drop compared to long-radius elbows

This results in less smooth fluid flow, which is why they are not as commonly used. However, they are still employed in applications where flow rate is not critical and where fluids travel over long distances or require multiple directional changes. These elbows introduce higher friction loss and are often used with larger pumping systems.

Long Radius VS Short Radius Elbow

90 Deg Short Radius Elbow Weight Chart

Types of Short Radius Elbow

Short Radius 90 Degree Elbow

45 Degree SR Elbow

3D Short Radius Elbows

ASME B16.9 5D Short Radius Elbow

Buttweld Short Radius Pipe Elbow

1.5D Schedule 10 SR Elbows

Inconel Buttweld SR Elbow Tolerance

NPS	32 to 48	26 to 30	20 to 24	10 to 18
OD at Bevel (D)	+ 6.4 – 4.8	+ 6.4 – 4.8	+ 6.4 – 4.8	+ 4 – 3.2
ID at End			4.8	3.2
Center to End 3D (A/B)	6	6	3	3
Center to End LR (A/B)	5	3	2	2
NPS	5 to 8	4	3 to 3.1/2	1/2 to 2.1/2
OD at Bevel (D)	+ 2.4 – 1.6	1.6	1.6	+ 1.6 – .8
ID at End	1.6			.8
Center to End 3D (A/B)	3	3	3	3
Center to End LR (A/B)	2	2	2	2

Marking for Nickel Alloy Buttweld SR Elbow

ANSI B16.9 SR Elbows Fittings Materials and Grades

Material	Standards and Grade
Carbon Steel Short Radius Elbow	ASTM A105 ASTM A350 LF2 ASTM A694. DIN 1.0402 DIN 1.0619
Alloy Steel Short Radius Elbow	ASTM A182 F5 F9 F11 F22 F91
Stainless Steel Short Radius Elbow	ASTM A403 WP304 F304L F316 F316L F317 / 317L F321 / 321H F347
Inconel 90 Degree Short Radius Pipe Elbow	600 601 625 718 X750
Copper Nickel Short Radius 90 Degree Elbow	C70600 – 90/10 C71500 – 70/30
Hastelloy Short Radius Reducing Elbow	C22 C276 C4 B2 X B3
Nickel Alloy SR Elbow	200 201
Duplex Short Radius Elbow	S31803 S32205
Super Duplex SR 45 deg Elbow	S32760 S32750
Incoloy SR Elbow	825 800 800H 800HT
Titanium Short Radius 90 Degree Elbows	Grade 1 Grade 2 Grade 4 Grade 5 Grade 7

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