180 Deg Elbow – Long Radius Return Bend for Piping
High-quality 180 deg elbow for tight pipeline returns. Short & long radius, steel & stainless steel. Pressure-rated. Get factory price – request a quote today.
Description
180 Deg Elbow – Long Radius Return Bend for Piping
Material & Specifications
180 deg elbow Parameter Table (Butt Weld Type for Reference)
| Nominal Pipe Size (NPS) | Outer Diameter (mm) | Wall Thickness Schedule | Center Radius (R) | Pressure Class |
|---|---|---|---|---|
| 1” | 33.4 | SCH40 | 38.1 (Long Radius) | Class 1500 |
| 2” | 60.3 | SCH80 | 76.2 (Long Radius) | Class 3000 |
| 4” | 114.3 | SCH160 | 152.4 | Class 6000 |
| 6” | 168.3 | XXS | 228.6 | Customized on Demand |
Selection Guidelines & Connection Types
180 deg elbow Application Scenarios
- Boiler water return pipelines (temperature resistance up to 650℃)
- Heating furnace tubes in petrochemical plants
- Marine ballast water systems
- Compact circuits of hydraulic equipment
Advantages of Integrated 180° Elbow
- Lower leakage risk: Integral forming structure removes redundant welding seams.
- Higher installation efficiency: Modular assembly and replacement, no on-site layout and cutting required.
- Excellent fatigue resistance: Seamless structure maintains stable performance under frequent temperature cycling.
Purchasers’ Common FAQs
Q1: Can I use two 90° elbows instead of one 180 deg elbow?
A: Yes, but a single 180° elbow reduces weld points by 50%, lowers pressure drop (approximately 20% less friction loss), and eliminates the risk of misalignment between two fittings. For high-pressure steam or toxic fluids, one-piece 180° elbows are strongly recommended.
Q2: How to choose between long radius and short radius for 180 degree steel pipe elbow?
A: Long radius (R=1.5D) provides smoother flow and less erosion, ideal for slurry, viscous media, or high-temperature systems. Short radius (R=1.0D) is used only when space is extremely tight – be aware that it creates higher pressure drop and may require thicker walls to compensate for stress concentration.
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