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A short radius elbow is a pipe fitting with a centreline radius equal to one nominal pipe size (1D). It is designed to change the direction of flow while occupying less installation space than a long radius elbow. Short radius elbows are commonly manufactured with 45°, 90° and 180° angles. At PipingMarket.eu, short radius elbows are available in a wide range of dimensions, schedules and material grades.
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Materials and manufacturing of a short radius elbow
The centreline radius of a short radius elbow measures one time the nominal pipe size, whereas a long radius elbow has a radius of 1.5 times the nominal pipe size. Because of this smaller radius, the fitting requires less installation space but creates slightly higher pressure loss. A short radius elbow can be manufactured from carbon steel, stainless steel, duplex, super duplex, nickel alloys and other specialised materials. Depending on the specification, fittings are produced from seamless pipes or welded pipes and comply with recognised standards such as ASME B16.9.
Typical applications
Although long radius elbows are generally preferred for optimal flow efficiency, short radius elbows are selected whenever installation space is limited. Typical applications include:
- compact process skids;
- pump stations;
- compressor packages;
- offshore modules;
- petrochemical plants;
- refineries;
- mechanical equipment connections.
Where a gradual change in flow direction is required, engineers may instead specify a 5D bend.
Find the right fitting for your project
Whether your project requires standard dimensions or a custom specification, submit your short radius elbow through our online RFQ platform and receive a quotation tailored to your application. Whether you are sourcing a specific elbow or a complete package of piping products, our specialists will help you identify a solution based on your requirements and project specifications.
