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Advantages of Cast Iron Gates! Why Are They the Mainstream Choice for Water Conservancy Projects?
Among hydraulic gate products, cast iron gates have long occupied a mainstream position. Compared with steel gates and stainless steel gates, they have outstanding comprehensive advantages in cost performance, adaptability and durability, making them the preferred equipment for various small and medium-sized water conservancy projects. Firstly, they have superior material properties. The main body of the equipment is cast from HT200-300 gray cast iron or QT500-7 ductile iron, featuring high hardness and strong compression resistance. It can withstand high-strength water pressure and water flow impact without deformation or damage. Meanwhile, cast iron materials have excellent natural corrosion resistance. After being treated with special anti-corrosion coatings, they can be immersed in clean water, sewage and slightly corrosive water for a long time, greatly reducing the probability of rust and damage, and adapting to outdoor open-air and long-term underwater operation scenarios. Secondly, they have excellent sealing performance. The mainstream copper-inlaid cast iron gates adopt a dual sealing design of copper strips and rubber. Combined with precisely processed fitting surfaces, they achieve excellent water tightness with extremely low leakage, fully meeting the water stop standards of water conservancy projects and eliminating water leakage. In addition, the operation and maintenance cost is extremely low. Cast iron gates have a simple and stable structure without vulnerable precision parts. No complex maintenance is required in daily use, only regular cleaning and lubrication of opening and closing parts. Their service life can reach several decades, greatly reducing the later maintenance and replacement costs of projects. Besides, the equipment boasts strong adaptability, customizable specifications and flexible installation methods, which can meet the construction and operation needs of different water conservancy environments
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