Coated spiral steel pipes are commonly used in water supply and drainage systems due to their strength, corrosion resistance, and versatility. These pipes, often manufactured with a spiral weld, can be coated with various materials to enhance their durability and suitability for specific applications.
Product Features
Coated spiral steel pipes for water supply and drainage are primarily made of carbon structural steel, such as the Q235 series, and low-alloy, high-strength steel, such as the Q345 series. The manufacturing process utilizes a spiral forming process, where steel strips are rolled and welded at a specific spiral angle. Advanced welding techniques, such as double-sided submerged arc welding, ensure stable and reliable weld quality, excellent internal and external surface quality, and high dimensional accuracy.
Advantanges Are As Follows
1. High Strength and High Pressure Capacity: The thick-wall design provides high strength and rigidity, capable of withstanding significant internal pressure and external loads. In water supply systems, it can meet the high water pressure requirements of high-rise buildings and long-distance water transmission. In drainage systems, it can withstand soil pressure and dynamic ground loads, preventing pipe deformation and rupture.
2. Excellent Corrosion Resistance: In addition to the inherent corrosion resistance of the material, corrosion resistance can be further enhanced through internal and external plastic coating, epoxy coal tar, and 3PE anti-corrosion treatments. This effectively prevents corrosion from acids, alkalis, and salts in the water, extending the pipe's service life.
3. Excellent Sealing: Advanced welding processes and strict quality inspections ensure tight, leak-free welds, ensuring a leak-free seal for water supply and drainage systems, preventing water waste and sewage leakage.
4. Good water flow transportation performance: The inner wall of the steel pipe is smooth, with low roughness and small water flow force, which can reduce energy loss in the water supply process and improve water supply efficiency: In the drainage system, it can effectively prevent impurities in sewage from adhering and silting, and ensure smooth drainage.
Installation and Maintenance
During installation, welding, flange connections, or groove connections can be used, depending on the actual site conditions. Welding offers high strength but is relatively difficult to install. Flange and groove connections are easy to install, disassemble, and maintain.
Application Scenarios
1. Urban Water Supply System
As a crucial component of a city's main water supply network, it transports water from the source to various water plants for treatment and distributes the treated water to various areas of the city, providing a stable water supply for residents and industrial users.
2. Urban Drainage System
Used to collect and discharge urban sewage, industrial wastewater, and rainwater. Within the drainage network, it can withstand high discharge volumes and pressures, ensuring smooth urban drainage and preventing problems such as waterlogging.
3. Industrial Water Supply and Drainage
In industries such as chemical, power, and metallurgy, it is used for water supply, drainage, and circulating water systems during industrial production processes. It can meet the diverse water quality, quantity, and pressure requirements of industrial production, ensuring the normal operation of industrial operations.
Project Cases
Our Factory
Hebei Yugang Pipe Manufacturing Co., Ltd. leads the industry with its large-scale production capacity. Located in the Yanshan Pipeline Base, the company has five spiral pipelines, three anti-corrosion lines, six insulation lines, and two straight seam lines running simultaneously, enabling rapid response to large-volume orders. As a newly-approved high-tech enterprise in 2024, Yugang specializes in the research and development of specialized pipelines for oil and gas. Its products, such as 3PE anti-corrosion steel pipes and spiral steel pipes, are certified by both API and ISO, and its service scope covers energy, municipal administration, chemical industry, and other fields.
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