Premier China factory and suppliers of high-precision 45 degree elbows. Offering NPS 12 to 48 and Sch 5s to Sch 160 with +/-0.5 degree precision. Fully ASME compliant for high-pressure industrial pipelines.
Our high-precision 45° Elbow fittings are expertly engineered for critical pipeline redirections, providing a seamless transition that significantly minimizes flow resistance and optimizes overall fluid dynamics. Specifically designed to meet the rigorous demands of modern industrial infrastructure, these fittings ensure absolute structural integrity and leak-proof performance across a comprehensive range of nominal pipe sizes from 1/2 inch to 48 inches.
By integrating advanced metallurgical selection with strict adherence to ASME and ASTM international standards, our 45° elbows are the premier choice for high-pressure environments. Whether deployed in cryogenic LNG transportation or high-temperature steam systems, these components deliver the reliability and precision essential for petrochemical, power energy, and marine applications.
| Size Range | NPS 1/2" to 48" (DN15 to DN1200) | Wall Thickness | Sch 5s to Sch 160 (Standard & Extra Heavy) |
|---|---|---|---|
| Angle Precision | 45° with ±0.5° strict tolerance | Pressure Ratings | Class 150, 300, 600, 900, 1500, 2500 |
| Carbon Steel | ASTM A234 WPB, A420 WPL6 | Stainless Steel | 304/304L, 316/316L, 321, 310S |
| Alloy Steel | A234 WP5, WP9, WP11, WP22 | Non-Metal Options | PVC, PPR (Acid-Alkali resistant) |
| Temperature Range | -196°C to over 1000°C | Compliance | ASME B16.9, B16.11, ASTM A234/A403 |
Butt weld (BW) design creates an integral structure, ensuring exceptional sealing under high-pressure and vibration conditions.
Smooth inner wall transitions reduce vortex and pressure loss, enhancing the stability of chemical and petroleum transportation.
Capable of operating in extreme environments, from cryogenic LNG systems to ultra-high-temperature steam pipelines.
Available in Butt Weld, Socket Weld (for NPS ≤ 2"), and NPT Threaded connections to suit any installation requirement.
Strict angle control within ±0.5° guarantees accurate pipeline routing and simplifies the overall installation process.
Fully compliant with ASME B16.9, B16.11, and ASTM A234/A403 standards for worldwide industrial acceptance.
Real-time tracking of pipe fitting specifications and material grades to ensure rapid delivery.
Rigorous inspection based on ASME B16.9 standards to ensure zero-defect shipments.
Full Heat Number traceability for all ASTM carbon and stainless steel components.
Tailored wall thickness and angle adjustments to meet specific project blueprints.
Optimized packaging for heavy metal structures to prevent surface damage during transit.
Regular certification audits to maintain global standards for structural metal fabrication.
| Evaluation Metric | Standard Fittings | Our Precision Elbows |
|---|---|---|
| Installation Speed | Standard Setup | Faster (due to ±0.5° precision) |
| Pressure Loss | Moderate | Low (optimized flow channel) |
| Service Life | Typical | Extended (premium metallurgy) |
| Maintenance Cost | Periodic Repairs | Minimal (leak-proof BW design) |
| Compliance Risk | Variable | Zero (full ASME/ASTM certs) |
A 45° elbow provides a gradual change in direction, which reduces fluid turbulence and pressure drop compared to the sharp turn of a 90° elbow, making it ideal for high-flow systems.
For corrosive media, we recommend Stainless Steel (316/316L) or specialized non-metal materials like PVC and PPR, depending on the specific acid-alkali concentration and temperature.
The "Schedule" refers to the wall thickness of the fitting. A higher schedule number indicates a thicker wall, allowing the elbow to withstand higher internal pressures.
Yes, our alloy steel (e.g., A234 WP11/WP22) and high-grade carbon steel elbows are specifically designed to handle steam systems with temperatures exceeding 1000°C.
Butt Welding provides a stronger, seamless joint and is suitable for larger diameters and higher pressures, whereas Socket Welding is faster for small-bore piping (NPS ≤ 2").
Absolutely. All our factory-made wrought buttwelding fittings are manufactured and tested in strict accordance with ASME B16.9 and ASTM material specifications.
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