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AWWA C200 Steel Water Pipe 6 In. (150 mm) and Larger
The American Water Works Association (AWWA) C200 standard governs the manufacturing and quality requirements for steel water pipe 6 inches (150 mm) and larger. This standard ensures that steel pipes used in water distribution systems meet stringent criteria for performance, durability, and safety. The standard specifies the types of steel and manufacturing processes permissible for the production of water pipes. It typically requires the use of carbon steel with specified mechanical properties to ensure strength and durability.
AWWA C200 defines the allowable dimensions for steel water pipes, including diameter, wall thickness, and length. These dimensions are crucial for ensuring compatibility with existing infrastructure and operational requirements. The standard provides guidelines for protective coatings and linings applied to the steel pipe to prevent corrosion and maintain water quality. Common coatings include cement-mortar lining, epoxy coating, and polyethylene encasement. WWA C200 outlines fabrication methods and procedures, including welding techniques, joining methods, and quality control measures. Proper fabrication is essential for ensuring the integrity and reliability of the water pipe.
The standard specifies testing and inspection requirements to verify the quality and performance of the steel water pipe. This may include hydrostatic testing, non-destructive testing, dimensional checks, and coating inspections. The standard emphasizes the importance of quality assurance throughout the manufacturing, transportation, and installation processes. It may require certification of manufacturers and third-party inspection to ensure compliance with the standard's requirements. AWWA C200 is a recognized industry standard adopted by water utilities, engineering firms, and regulatory agencies. Compliance with this standard is often required for public water supply projects to ensure the safety and reliability of the infrastructure.