Short Radius Elbow

Name: Short Radius Elbow
Brand: Cangzhou Silver Valley technology Co., LTD

The short radius elbows have a center-to-end distance equal to the Nominal Pipe Size (NPS) in inches, Short elbows are widely available, and are typically used in pressurized systems.

What is Short Radius Elbow

A short radius elbow is a type of pipe fitting designed to change the direction of fluid flow in a piping system. The key feature of a short radius elbow is its curvature radius, which is equal to the nominal pipe diameter (1D). This design makes it more compact compared to long radius elbows, allowing it to fit into tighter spaces.

Standards a Long Radius Elbow:

ANSI/ASME B16.9: This standard covers factory-made wrought buttwelding fittings, including short radius elbows.

ASME B16.28: Standard for wrought steel and wrought austenitic stainless steel forged fittings.

MSS SP-43: Standard for socket-welding and threaded fittings.

DIN 2615: German standard for pipe fittings.

JIS B2311: Japanese Industrial Standard for pipe fittings.

Materials of a Short Radius Elbow

Carbon Steel:

ASTM A105: Suitable for high-pressure systems.

ASTM A350 LF2: Low-temperature carbon steel.

ASTM A694: High-yield strength carbon steel.

Alloy Steel:

ASTM A182 F5: Alloy steel for high-temperature applications.

F9, F11, F22, F91: Various grades of alloy steel for specific high-temperature and high-pressure applications.

Stainless Steel:

ASTM A403 WP304, WP304L: Austenitic stainless steel for general corrosion resistance.

WP316, WP316L: Enhanced corrosion resistance, suitable for harsh environments.

WP317, WP321, WP347: Special grades for specific applications.

Nickel Alloys:

Inconel 600, 625, 718: High-temperature and corrosion-resistant nickel alloys.

Hastelloy C22, C276: Superior corrosion resistance in aggressive environments.

Parameter of a Long Radius Elbow:

Parameter	Description
Radius of Curvature	1.5 times the nominal pipe diameter (1.5D)
Angle	Commonly available in 45degree, 90degree, and 180degree configurations
Material	Available in various materials including carbon steel, stainless steel, and alloy steel
Size Range	Typically ranges from 1/2" to 48"
Wall Thickness	Available in different schedules (e.g., SCH 10, SCH 40, SCH 80, SCH 160)
Surface Finish	Smooth, polished finish to reduce corrosion and ensure efficient fluid flow
Connection Method	Usually connected by welding, but can also be threaded or flanged

Difference Between Long Radius Elbow And Short Radius Elbow

Difference Between Long Radius Elbow And Short Radius Elbow
Feature	Long Radius Elbow (LR)	Short Radius Elbow (SR)
Radius of Curvature	1.5D (or up to 3D)	1D
Flow Characteristics	Smoother flow, lower pressure drop	Sharper curve, higher pressure drop
Space Requirements	Requires more space	Requires less space
Applications	High-pressure, slurry, viscous fluids	Compact systems, low-pressure systems
Pressure Drop	Lower	Higher
Cost	More expensive	Less expensive

Advantages of Short Radius Elbow:

Space-saving: Ideal for tight or confined spaces.

Cost-effective: Requires less material compared to long radius elbows.

Ease of installation: Easier to fit in compact piping layouts.

When to Use a Short Radius Elbow?

Space is limited and a compact design is required.

The system operates at low pressure and flow efficiency is not critical.

The application involves non-abrasive fluids or low-velocity flows.

Get in Touch with Silver Valley

Silver Valley are here to help！

We specialize in the production of seamless steel pipes, boiler pipes, oil casing and pipe fittings，If you have any inquiry, please feel free to contact us.

Related Pipe Fitting Elbow Products