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Anti-Corrosion Spiral Welded Pipes
I. What Are Anti-Corrosion Spiral Welded Pipes?
In pipeline engineering systems, steel pipe corrosion has always been a severe and challenging issue. To address this problem, a new category of high-performance products has emerged on the market—anti-corrosion spiral welded pipes. So, what exactly are anti-corrosion spiral welded pipes?
Anti-corrosion spiral welded pipes are composite pipes manufactured by coating the inner and outer surfaces of spiral welded pipes with specialized anti-corrosion layers. It not only retains the superior mechanical properties of spiral welded pipes but also endows the pipeline with outstanding corrosion resistance, significantly extending its service life.
II. Common Connection Methods for Anti-Corrosion Spiral Welded Pipes
Welding Connection
Welding is one of the most commonly used connection methods for anti-corrosion spiral welded pipes, categorized into manual welding and automatic welding. Manual welding is suitable for small-diameter pipelines, while automatic welding is more appropriate for large-diameter pipelines. Before welding, the pipes must undergo cleaning and rust removal to ensure welding quality. During welding, appropriate welding techniques and materials must be selected based on the pipe material and specifications to guarantee weld strength and sealing integrity.
Flange Connection
Flange connections are widely used for pipeline system junctions and branch layouts. Common types include slip-on flanges, butt-weld flanges, threaded flanges, and blind flanges. When selecting flange connections, matching flange models and sealing gaskets must be used to ensure sealing effectiveness and structural stability at connection points.
Clamp Connections
Clamp connections offer simple installation and rapid construction, suitable for small-diameter pipelines or temporary pipeline projects. Clamps come in single-clamp and double-clamp types, with double-clamp structures providing superior sealing and stability. Appropriate clamp specifications and sealing gaskets must be selected during use.
Socket Connections
Socket connections are primarily used in large-diameter or high-pressure pipeline systems, mainly including rubber socket and metal socket types. Rubber socket connections demonstrate superior sealing and corrosion resistance. During construction, select the appropriate socket type and sealing material based on design specifications to ensure safe and reliable connections.
In summary, corrosion-resistant spiral welded pipes offer diverse connection methods. Practical engineering applications should integrate pipe material, specifications, and operating environments to select suitable connection methods and supporting materials, ensuring overall system strength, sealing integrity, and stability. After commissioning, regular inspection and maintenance of connection points are required to ensure long-term safe pipeline operation.
III. Primary Application Fields of Anti-Corrosion Spiral Welded Pipes
Anti-corrosion spiral welded pipes have extensive applications, commonly used for external corrosion protection in buried or submerged oil, gas, water supply, and heating pipelines. Additionally, they are suitable for corrosion prevention in various steel structures, dock engineering, shipbuilding, water gate facilities, gas storage tanks, and petrochemical plant equipment.
Within concrete structures, these pipes play a crucial role in waterproofing and leak-proofing projects, such as sewage tanks, roof waterproofing layers, bathrooms, and basement leak-proofing applications.
Anti-Corrosion Spiral Welded Pipes,Welded carbon steel pipes,Pipe connection methods
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