Malleable iron pipe fittings (cross joints) are core connectors in piping systems, enabling four-way flow branching and merging. Suitable for various industrial and civil applications, they combine durability and practicality, making them the preferred accessory for plumbing, fire protection, and gas engineering projects. The products are made from malleable cast iron according to GB/T9440-2010 standards, undergoing rigorous casting processes. They possess excellent tensile strength, are not easily broken during installation, and offer stability far exceeding ordinary pipe fittings.
The surface uses advanced hot-dip galvanizing technology, forming a uniform and dense zinc-iron alloy layer that is corrosion-resistant and rust-resistant, adaptable to humid and complex working conditions, effectively extending service life and reducing later maintenance costs. Precise CNC thread machining conforms to national and international standards, ensuring a tight fit and excellent sealing performance, eliminating the risk of leakage at the source, and facilitating convenient and efficient construction, reducing installation difficulty.
A complete range of specifications is available, covering DN15 to DN100 (4 points to 4 inches), including various models with equal and reducing diameters, flexibly adapting to different pipe diameter requirements, achieving vertical connection of four pipes, and easily completing fluid branching and merging. The products conform to GB/T 3287 standards, withstand pressures of 1.6-2.5MPa, and have a wide applicable temperature range. They are widely used in building water supply, fire protection systems, gas transmission, industrial pipelines, and other fields, balancing cost-effectiveness and reliability to provide safe and efficient connection solutions for various pipeline projects.
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