4 Inch Weld Neck Flange/Blind Flanges ANSI ASME B16.47 SERIES A Class 400 Large Diameter NPS 26 - NPS 60

 ANSI B16.47 SERIES A Class 400 Carbon Steel Weld Neck Flanges and Blind Flanges

Introduction:

We are Shaanxi Peter International Trade Co., Ltd., a reputable and well-established company of rich experience in the industry. As your reliable supplier, we have been providing high-quality ANSI B16.47 SERIES A FLANGES for more than 20 years in the industry.

Our ANSI B16.47 SERIES A FLANGES are designed to meet the specifications of ASME B16.47 and are made of durable materials, ensuring their high strength and resistance to corrosion. 

At the core of our operations lies a commitment to customer satisfaction as our top priority. Recognizing the significance of delivering dependable and long-lasting products that cater to the varied requirements of our clients, we have assembled a dedicated team of experts who go the extra mile to uphold the utmost quality standards for every weld neck flange produced in our facility. Our manufacturing process integrates cutting-edge technologies and advanced techniques, guaranteeing meticulous precision in dimensions, exceptional surface finishes, and exceptional resistance to corrosion.

Descriptions of ANSI/ASME B16.47 SERIES A Weld Neck Flanges and Blind Flanges:

ASME B16.47 is a standard published by the American Society of Mechanical Engineers (ASME) that provides specifications for large diameter steel flanges. It specifically focuses on flanges with a nominal pipe size of 26 inches and larger. The standard is divided into two parts: ASME B16.47 Series A and ASME B16.47 Series B.

ASME B16.47 Series A covers flanges that are primarily of the weld neck and blind types. These flanges have raised face or ring joint face configurations. The Series A flanges have larger bolt circles and smaller bores compared to the Series B flanges.

ASME B16.47 Series B, also known as API 605, covers flanges with flange faces that are flat face or raised face configurations. These flanges are typically used in petroleum and natural gas industries.

The ASME B16.47 standard provides dimensions, tolerances, materials, markings, and testing requirements for these large diameter steel flanges. It ensures compatibility and interchangeability of flanges within the specified range. The standard is widely used in industries such as oil and gas, petrochemical, power generation, and offshore applications.

ANSI B16.47 SERIES A Weld Neck Flanges and Blind Flanges Dimensions:

1.Dimensions are in millimeters(mm).

2.B1 can be specified by different purchasers.

What are ASME B16.47 Series A Weld Neck Flanges and Blind Flanges used for:

Large diameter flanges, such as those specified in ASME B16.47, are indeed utilized in water desalination projects. Water desalination is the process of removing salt and other impurities from seawater or brackish water to produce fresh drinking water. These projects often involve high volumes of water flow and require robust and reliable piping systems.

Here are a few reasons why ASME B16.47 flanges are suitable for water desalination projects:

Accommodating Large Pipe Sizes: Water desalination plants typically handle large volumes of water, necessitating the use of large-diameter pipes. ASME B16.47 covers flanges with a nominal pipe size of 26 inches and larger, providing the necessary compatibility for these larger pipe sizes.

High Pressure Ratings: Water desalination processes often involve high-pressure systems to facilitate the separation of salt and impurities from the water. ASME B16.47 flanges are designed to withstand high pressures, ensuring the integrity and safety of the piping system.

Excellent Corrosion Resistance: Seawater contains corrosive elements, such as salt and minerals, which can cause degradation of piping materials. ASME B16.47 flanges are manufactured using materials with superior corrosion resistance, such as stainless steel or exotic alloys, to withstand the harsh environment of water desalination projects.

Reliable Joint Integrity: ASME B16.47 provides options for different flange face configurations, including raised face and ring joint face. These designs promote effective sealing and joint integrity, preventing potential leaks and ensuring the efficient operation of the water desalination system.

Industry Acceptance: ASME B16.47 is widely accepted and used in various industries, including water and wastewater treatment. Its recognition within the industry ensures compliance with standards and codes, providing confidence in the performance and reliability of the flanges used in water desalination projects.

Grades of Carbon Steel Flanges:

American standard carbon steel flanges are flanges made of carbon steel and are widely used in industries such as petroleum, chemical, natural gas, shipbuilding, construction, and water conservancy. Its carbon steel grades are usually divided into the following parts:

1.Q235: Q235 is a commonly used carbon structural steel grade specified in the Chinese national standard GB/T 700. It is often used in general engineering structures and manufacturing industries. In carbon steel flanges, Q235 material is commonly used for pipeline systems operating at low pressure, low temperature, and non-critical stress environments.

2.A105: A105 is a carbon steel material specified in the American ASTM standard, complying with ASTM A105/A105M requirements. A105 material has good weldability and mechanical properties, making it suitable for use in a wide temperature range from low to high temperatures. It is commonly used for pipeline systems and valve connections under high temperature and high-pressure conditions.

3.A350 LF2: A350 LF2 is also a carbon steel material specified in the ASTM standard, complying with ASTM A350/A350M requirements. LF2 indicates low-temperature service, and this material has good low-temperature toughness and crack resistance. It is commonly used for pipeline systems and valve connections under low-temperature conditions.

4.A694 F42/F52/F60/F65/F70: These material grades are specified in the ASTM A694 standard for carbon steel materials used in high-strength, low-temperature, or normal temperature high-pressure pipeline systems and valve connections. Different grades of materials have different strengths and corrosion resistance properties, suitable for various working conditions.

5.ASTM A181 Gr.1/Gr.2: These carbon steel flange material grades are suitable for pressure vessels, valves, and pipeline fittings under low pressure and low temperature conditions. They have good machinability and mechanical performance.

6.ASTM A516 Gr.70: Gr.70 is a commonly used medium carbon steel grade, known for its good weldability and machinability, suitable for manufacturing flanges and pipe fittings, among others.

7.A216 WCB: A216 WCB is a carbon steel casting material specified in the American ASTM standard, complying with ASTM A216/A216M requirements. WCB stands for cast carbon steel, and it is commonly used for carbon steel flanges that require casting in general engineering structures and manufacturing industries.

These material grades mentioned above are only a part of the commonly used ones, and there are other material grades in practical applications. When selecting the material grade for carbon steel flanges, it is necessary to consider engineering requirements, temperature, pressure, medium, and the requirements of relevant standards to ensure that the flange material meets the corresponding performance and safety requirements.

Applications of ASME B16.47 Carbon Steel Weld Neck Flanges and Blind Flanges:

ASME B16.47 Carbon Steel Weld Neck Flanges and Blind Flanges, whether in Series A or Series B, have several applications across various industries.

Oil and Gas Industry: Weld Neck Flanges and Blind Flanges are extensively used in the oil and gas industry for pipeline connections, storage tanks, and refineries. They provide a secure and leak-proof connection for high-pressure and high-temperature applications.

Petrochemical Industry: ASME B16.47 Carbon Steel Flanges are widely employed in petrochemical plants for connecting pipes, valves, and equipment. They ensure reliable and durable connections in processing units, such as distillation columns, reactors, and heat exchangers.

Power Generation: Weld Neck and Blind Flanges are utilized in power plants, including thermal power plants, nuclear power plants, and renewable energy facilities. They are used in pipeline systems, steam turbines, boilers, and other equipment, providing robust connections in demanding operating conditions.

Chemical Industry: Carbon Steel Flanges find applications in the chemical industry for handling corrosive fluids and chemicals. They are used in chemical processing plants, storage tanks, and transportation systems, ensuring the safe and efficient flow of various substances.

Water and Wastewater Treatment: ASME B16.47 Flanges are employed in water treatment facilities, wastewater treatment plants, and desalination plants. They are used for connecting pipes, valves, and pumps, providing secure and leak-free connections in water distribution and treatment systems.

Mining and Minerals: Carbon Steel Flanges are utilized in mining operations for transporting minerals, ores, and slurries. They are employed in pipelines, crushers, conveyors, and other equipment, enabling efficient material handling and processing.

Construction and Infrastructure: Weld Neck and Blind Flanges are used in construction projects and infrastructure development, including buildings, bridges, and pipelines. They ensure reliable connections in plumbing systems, HVAC systems, and water supply networks.

Carbon steel weld neck flanges are pipeline connection components widely used in various industries. They play important roles in the petroleum and gas industry, chemical industry, power plants, and manufacturing industry, providing reliable pipeline connection solutions.