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cast iron pipe fittings Use range: building install, dirty water and rainwater exhausting, exchanging dirty air with pure air, facilities of washing room and sewerage pipes, etc. Centrifugal casting, compact structure, free from pinhole porosity and slag, smooth surface and even wall thickness, anticorrosion, defend the noise. Flexible joint, coupling facilitates installation and repair work, the exterior shape is beautiful. Lighter weight compared with sand-mould casting pipes and its laying length increases 20-30% consequently. Pipe elbow fittings is a very important pipe fitting. When we talk about a pipe elbow, it means a length of pipe with a sharp bend in it. Pipe elbows are fitting accessories which are used widely in various industrial sectors in pipe fitting. A pipe elbow is frequently used in pressurized applications and are available in various shapes and sizes for use in different applications. A pipe elbow is a fitting installed between two lengths of pipe or tube allowing a change of direction, usually in the 90° or 45° direction.