This elbow integrates diameter reduction and 90°/45° steering functions, without additional reducer joints, simplifying the pipeline system layout. The 95% high-purity alumina ceramic lining has excellent wear resistance, which can resist the high-speed scouring of large-flow and large-particle media. The matrix adopts Q345B high-strength carbon steel, which has good compressive and deformation resistance, adapting to the high-pressure working conditions of large-diameter pipelines. The ceramic lining and the matrix are combined through vacuum sintering process, with high bonding strength, avoiding the risk of falling off. The installation design is optimized for large-diameter scenarios, providing two installation methods of on-site welding and on-site assembly, adapting to different construction conditions. It can be customized with different reduction ratios and angles to meet the needs of different pipeline design requirements.
The nominal diameter covers DN600 to DN2000mm, the reduction ratio ranges from 1:1.2 to 1:2, the thickness of the ceramic lining is 15mm to 25mm, and the wall thickness of the Q345B carbon steel matrix ranges from 20mm to 50mm according to the nominal diameter. The working temperature range is -20℃ to 900℃, and it can withstand pressure ratings from PN10 to PN40. The weight of a single elbow ranges from 180kg for DN600 to 950kg for DN2000. It adopts groove welding connection design, matching the size of national standard large-diameter pipelines. The density of the ceramic layer is ≥3.75g/cm³, ensuring high wear resistance. It has passed ISO 9001 and API certifications, and each batch of products has passed water pressure test and wear resistance test.
It is mainly used in large-flow ore slurry conveying pipelines of mineral processing plants, large-diameter bulk cargo loading and unloading pipelines of ports and wharfs, clinker conveying pipelines of large cement plants, and large-flow ash removal pipeline systems of thermal power plants. It is suitable for conveying large-particle and high-concentration media, such as iron ore slurry, coal clinker, sand and gravel materials, etc. As the core diameter-reducing and steering connector of large pipeline systems, it can effectively reduce the wear speed of the pipeline, reduce the replacement cost of large pipeline systems, and improve the overall operation efficiency and economy of large industrial projects.
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