Malleable iron pipe fittings, including reducing couplings, are core components in piping systems that enable seamless connections between different pipe diameters. Made from malleable cast iron according to GB/T9440-2010 standards, they strictly adhere to national standards such as EN 10242 and GB/T 3287, ensuring traceable quality and suitability for various industrial and civil applications.
The products undergo hot-dip galvanizing, forming a zinc-iron alloy layer on the surface, providing corrosion and rust resistance. This allows them to withstand humid and outdoor environments, significantly extending their service life. The thickened pipe wall design offers excellent pressure resistance, reducing the risk of breakage during installation. Combined with high-precision full-thread threads, they ensure a tight fit and excellent sealing, effectively preventing leakage.
A complete range of specifications is available, covering various reducing combinations from DN15 to DN150. This allows for flexible connection and conversion of pipes of different diameters, facilitating convenient installation without complex tools. They are suitable for various piping systems, including fire protection, water supply and drainage, gas, and HVAC systems.
The product undergoes rigorous quality control testing, balancing practicality and safety. Whether for home renovation, building construction, or industrial piping, it provides a stable and reliable connection solution with outstanding cost-effectiveness, making it the preferred accessory for pipeline construction.
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