Product introduction High-Pressure 45° Socket Weld Elbow A specialized pipe fitting designed to change flow direction by 45° in high-pressure systems using a socket weld connection for superior leak resistance and structural integrity. Key Features 1. Design & Construction - 45° Angled Turn: Smoother flow diversion than 90° elbows for reduced turbulence - Socket Weld Connection: Pipe inserts into the fitting's recessed "socket" for fillet welding - Reinforced Structure: Thicker walls (SCH 80/160/XXS) for high-pressure containment - Materials: - ASTM A234 WP-WP9 (Carbon/alloy steel) - ASTM A403 WP316/316L (Stainless) - ASTM A182 F91 (High-temp chrome-moly) 2. Pressure-Temperature Ratings - Class 3000/6000 per ASME B16.11 - Suitable for: - ≤ 5,000 psi (345 bar) operating pressure - -20°F to 1,000°F (-29°C to 538°C) 3. Critical Applications - Hydraulic power units - Steam injection lines - Offshore oil & gas manifolds - Power plant boiler feed systems - High-pressure chemical processing 4. Advantages Over Threaded Elbows - 50% stronger joints vs. threaded connections - Zero thread galling** risk in cyclic service - Smoother bore** for improved flow dynamics - Vibration-resistant** welded construction 5. Installation Protocol - 1.6mm gap must be maintained between pipe and shoulder for thermal expansion - Full penetration welds required per ASME BPVC Sec. - Post-weld heat treatment(PWHT) mandatory for alloy materials 6. Standards Compliance - ASME B16.11** (Forged socket weld fittings) - NACE MR0175** (Sour service compatibility) - PED 2014/68/EU** (European pressure directive) 7. nspection Requirements - 100% radiographic testing (RT) for Class 6000+ - Liquid penetrant examination (PT) of all welds - Hydrostatic test at 1.5x design pressure Why Select This Fitting? Ideal for compact, high-P/T systems requiring: ✔ Reliable 45° directional changes ✔ Leak-proof performance ✔ Minimal maintenance For corrosive services, specify electropolished 316L or alloy 625 versions.)