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AWWA C207 Carbon Steel Flange: The Ultimate Guide to Specifications

Nov. 19, 2025
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The AWWA C207 carbon steel flange is an essential component in piping systems, favored for its durability and strong structural properties. This guide is designed to provide you with comprehensive specifications and information related to AWWA C207 carbon steel flanges, ensuring you have all the details needed for your projects.

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Understanding AWWA C207 Standard

The AWWA C207 standard, established by the American Water Works Association, focuses on the design and production of carbon steel flanges used in waterworks service. These flanges are made to provide reliable service under various operational conditions, making them suitable for a range of applications.

Key Specifications

AWWA C207 carbon steel flanges come in various classes, typically classified into Classes 150, 300, 600, and 900. Each class indicates the pressure rating and strength of the flange, with Class 150 being suitable for lower pressure applications and Class 900 designed for high-pressure environments. Here are some specific dimensions for these classes:

  • Class 150: Maximum pressure of 150 psi, typically used for water and wastewater systems.
  • Class 300: Suitable for more demanding applications with a maximum pressure of 300 psi.
  • Class 600: Often used in heavy industrial and municipal services with a maximum pressure of 600 psi.
  • Class 900: Designed for the most demanding applications, offering exceptional pressure handling.

Material Specifications

The primary material used in producing AWWA C207 carbon steel flanges is carbon steel, often designated as ASTM A36 or A283. These materials provide excellent strength and weldability, making them ideal for various applications, including pipelines, tanks, and pressure vessels. When selecting flanges, consider the following properties:

  • Yield Strength: Typically ranges from 36,000 to 40,000 psi, providing strong support for pipelines.
  • Tensile Strength: Generally between 58,000 to 80,000 psi, ensuring durability and resistance to deformation.

Common Applications

AWWA C207 carbon steel flanges are primarily used in water supply systems but can also be found in several other applications:

  • Municipal Water Systems: Used to connect pipes in drinking water systems.
  • Sewer Systems: Employed in wastewater treatment facilities.
  • Industrial Applications: Often found in manufacturing plants for various fluids.

Installation and Safety Considerations

Proper installation of AWWA C207 carbon steel flanges is crucial for system integrity. Here are some tips:

  • Always use appropriate gaskets that match the flange class to ensure a tight seal.
  • Follow torque specifications provided by the manufacturer to prevent leaks.
  • Inspect flanges for corrosion and wear periodically, especially in harsh environments.

Choosing the Right Flange

When selecting AWWA C207 carbon steel flanges, consider factors like pressure requirements, compatibility with pipe materials, and environmental conditions. Always consult with industry experts or manufacturer guidelines to ensure the best choice for your specific application.

Summary of Key Benefits

The use of AWWA C207 carbon steel flanges provides numerous advantages:

  • Durability: High resistance to pressure and environmental factors.
  • Cost-Effectiveness: Affordable compared to alternative materials like stainless steel.
  • Versatility: Suitable for a wide range of applications.

Conclusion

In conclusion, the AWWA C207 carbon steel flange is an indispensable component in water and wastewater systems. Understanding its specifications, applications, and installation requirements will empower you to make informed decisions for your projects. For further reading and specialized insights, connect with industry experts and consult technical resources.

Understanding AWWA C207 Standard

The AWWA C207 carbon steel flange is an essential component in piping systems, favored for its durability and strong structural properties. This guide is designed to provide you with comprehensive specifications and information related to AWWA C207 carbon steel flanges, ensuring you have all the details needed for your projects.

The AWWA C207 standard, established by the American Water Works Association, focuses on the design and production of carbon steel flanges used in waterworks service. These flanges are made to provide reliable service under various operational conditions, making them suitable for a range of applications.

Key Specifications

AWWA C207 carbon steel flanges come in various classes, typically classified into Classes 150, 300, 600, and 900. Each class indicates the pressure rating and strength of the flange, with Class 150 being suitable for lower pressure applications and Class 900 designed for high-pressure environments. Here are some specific dimensions for these classes:

  • Class 150: Maximum pressure of 150 psi, typically used for water and wastewater systems.
  • Class 300: Suitable for more demanding applications with a maximum pressure of 300 psi.
  • Class 600: Often used in heavy industrial and municipal services with a maximum pressure of 600 psi.
  • Class 900: Designed for the most demanding applications, offering exceptional pressure handling.

Material Specifications

The primary material used in producing AWWA C207 carbon steel flanges is carbon steel, often designated as ASTM A36 or A283. These materials provide excellent strength and weldability, making them ideal for various applications, including pipelines, tanks, and pressure vessels. When selecting flanges, consider the following properties:

  • Yield Strength: Typically ranges from 36,000 to 40,000 psi, providing strong support for pipelines.
  • Tensile Strength: Generally between 58,000 to 80,000 psi, ensuring durability and resistance to deformation.

Common Applications

AWWA C207 carbon steel flanges are primarily used in water supply systems but can also be found in several other applications:

  • Municipal Water Systems: Used to connect pipes in drinking water systems.
  • Sewer Systems: Employed in wastewater treatment facilities.
  • Industrial Applications: Often found in manufacturing plants for various fluids.

Installation and Safety Considerations

Proper installation of AWWA C207 carbon steel flanges is crucial for system integrity. Here are some tips:

  • Always use appropriate gaskets that match the flange class to ensure a tight seal.
  • Follow torque specifications provided by the manufacturer to prevent leaks.
  • Inspect flanges for corrosion and wear periodically, especially in harsh environments.

Choosing the Right Flange

When selecting AWWA C207 carbon steel flanges, consider factors like pressure requirements, compatibility with pipe materials, and environmental conditions. Always consult with industry experts or manufacturer guidelines to ensure the best choice for your specific application.

Summary of Key Benefits

The use of AWWA C207 carbon steel flanges provides numerous advantages:

  • Durability: High resistance to pressure and environmental factors.
  • Cost-Effectiveness: Affordable compared to alternative materials like stainless steel.
  • Versatility: Suitable for a wide range of applications.

Conclusion

In conclusion, the AWWA C207 carbon steel flange is an indispensable component in water and wastewater systems. Understanding its specifications, applications, and installation requirements will empower you to make informed decisions for your projects. For further reading and specialized insights, connect with industry experts and consult technical resources.

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