Malleable iron pipe flanges (malleable cast iron flanges) are core components for pipeline system connections. Made from high-quality malleable cast iron, they undergo multiple precision processes including smelting, casting, and annealing, resulting in a product that combines robustness and ductility. Suitable for various medium and low-pressure pipeline connection scenarios, they are widely used in fire protection, gas, HVAC, water supply and drainage, and industrial fluid systems.
The products are available in two main types: perforated and non-perforated, catering to diverse needs. Perforated flanges feature precise bolt holes for quick and easy bolt connection to pipes or equipment, offering convenient installation and strong sealing, ideal for scenarios requiring frequent disassembly and maintenance. Non-perforated flanges, without pre-drilled holes, offer a more robust structure and superior impact resistance, often used for pipe sealing or welded transitions, ensuring safe connections under high-pressure conditions.
The surface is hot-dip galvanized, resulting in a uniform and dense zinc layer that effectively improves corrosion and rust resistance, extends service life, and allows for adaptation to complex and harsh environments. The products strictly adhere to international manufacturing standards, undergoing comprehensive testing for airtightness and pressure, resulting in high tensile strength and excellent sealing performance. Installation requires no complex procedures, significantly reducing construction costs and time.
With a full range of specifications and customizable options, the threads are precisely adapted to various pipe interfaces, balancing practicality and economy. It is the preferred pipe connection accessory for safe, reliable, and cost-effective engineering construction.
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