Forging DIN 2629 A105 Carbon Steel And ASTM A182 F316 Stainless Steel Weld Neck Flanges WNRF PN320 for Pipe Systems

DIN 2629 Carbon Steel and Stainless Steel Weld Neck Flanges WNRF PN320 for Industrial Purposes

Introduction:

We, Shaanxi Peter International Trade Co., Ltd., are a highly regarded and experienced company with a strong presence in the industry. With over 20 years of expertise, we have established ourselves as a reliable supplier of high-quality DIN weld neck flanges.

DIN weld neck flanges are specifically designed to be butt-welded to the end of a pipe. They feature a long tapered hub that gradually merges with the pipe, providing reinforcement and reducing stress concentrations. To create a secure connection, these flanges are bolted to another weld neck flange or a compatible flange using bolts or studs.

Complying with DIN standards, which are widely adopted in Europe, particularly in Germany, our DIN weld neck flanges adhere to the specific dimensional and technical requirements outlined by DIN. They are available in a variety of materials, including carbon steel, stainless steel, and alloy steel, offering versatility for a wide range of applications. Industries such as oil and gas, petrochemical, power generation, and more can benefit from the use of these flanges.

As your trusted supplier, we are committed to delivering durable and reliable DIN weld neck flanges that meet your specific needs. Our extensive experience in the industry ensures that you receive products of the highest quality. You can rely on us for all your DIN weld neck flange requirements.

Description of DIN Weld Neck Flanges:

DIN standards are technical specifications established by the Deutsches Institut für Normung (German Institute for Standardization). These standards are widely recognized and utilized in various industries, including the manufacturing of weld neck flanges.

DIN weld neck flanges are a specific type of pipe flange that is designed for butt-welding to the end of a pipe. They have a long tapered hub that gradually merges with the pipe, providing reinforcement and reducing stress concentrations. These flanges are widely used in Europe, particularly in Germany, where DIN standards are prevalent:

Construction: DIN weld neck flanges are typically made from various materials such as carbon steel, stainless steel, and alloy steel. The choice of material depends on the specific application and its requirements, including temperature, pressure, and corrosion resistance.

Neck Design: These flanges have an extended neck or hub that enables a smooth transition from the flange to the pipe. The tapered design helps distribute stress evenly, reducing the risk of localized stress concentration and potential failure.

Butt-Weld Connection: The main purpose of DIN weld neck flanges is to provide a strong and reliable butt-weld connection to the pipe. The flange is welded directly to the pipe end, creating a secure and leak-proof joint.

Bolted Connection: Once the flange is welded to the pipe, the neck of the flange is bolted to another weld neck flange or a compatible flange using bolts or studs. This further strengthens the connection and ensures proper alignment.

DIN Standards Compliance: DIN weld neck flanges conform to the specific dimensional and technical requirements set by DIN standards. These standards define the dimensions, materials, and technical specifications to ensure compatibility and interchangeability.

Applications: DIN weld neck flanges find applications in various industries, including oil and gas, petrochemical, power generation, chemical processing, and more. They are suitable for high-pressure and high-temperature environments where a strong and reliable connection is required.

DIN2629 Weld Neck Flange Dimensions:

1.Dimensions are in millimeters(mm).

2.Dimensions can be specified by different purchasers.

Materials of DIN Weld Neck Flanges:

DIN weld neck flanges are available in various materials to suit different applications and operating conditions. The material selection for DIN weld neck flanges depends on factors such as temperature, pressure, corrosion resistance, and compatibility with the conveyed fluid or gas.

Grades of Carbon Steel:

ASTM A105: This is a common grade of carbon steel used for weld neck flanges. It is a forged carbon steel specifically designed for high-temperature service and offers excellent weldability and toughness.

ASTM A350 LF2: LF2 is a low-temperature carbon steel grade commonly used for weld neck flanges in applications where low-temperature toughness is required.

ASTM A694 F52/F60/F65/F70: These grades are high-yield carbon steel materials used for weld neck flanges in applications requiring high strength and impact resistance.

Grades of Stainless Steel:

ASTM A182 F304/F304L: These grades of stainless steel are austenitic and commonly used for weld neck flanges. They offer good corrosion resistance, excellent weldability, and are suitable for a wide range of applications.

ASTM A182 F316/F316L: Similar to F304/F304L, these grades are also austenitic stainless steels with improved corrosion resistance, particularly in chloride environments.

ASTM A182 F321: F321 is an austenitic stainless steel grade containing titanium, which provides enhanced resistance to intergranular corrosion. It is often used for weld neck flanges in high-temperature applications.

ASTM A182 F347: F347 is a stabilized stainless steel grade with the addition of niobium, which improves its resistance to intergranular corrosion. It is commonly used for weld neck flanges in applications involving elevated temperatures.

Advantages of DIN Weld Neck Flanges:

DIN weld neck flanges are widely recognized for their superior connection and are commonly utilized in larger sizes and higher pressure classes. Their unique design, with a neck extension and weld bevel, allows for a strong and reliable connection to pipes through butt welding.

The weld neck flange's extended neck provides several advantages, including:

Strength and Durability: The welded neck extension provides additional strength to the flange, making it suitable for high-pressure applications. The weld connection ensures a secure and leak-free joint, enhancing the overall durability of the flange.

Stress Distribution: The tapered neck design of the weld neck flange helps in distributing the stress evenly across the flange and pipe, reducing the risk of localized stress concentration and potential failure.

Enhanced Flow Characteristics: The smooth transition from the flange's neck to the pipe's bore minimizes turbulence and pressure drop, allowing for improved flow characteristics in the system.

Easy Inspection and Maintenance: The extended neck of the weld neck flange allows for easier visual inspection and access for maintenance activities such as cleaning, inspection, and repairs.

Applications of DIN 2629 Weld Neck Flanges:

DIN 2629 weld neck flanges are specifically designed for use in specific applications where their unique characteristics are required. Here are some common applications of DIN 2629 weld neck flanges:

High-Pressure Systems: DIN 2629 weld neck flanges are often used in high-pressure systems, such as in oil and gas pipelines, chemical plants, and power generation facilities. Their robust construction and reliable sealing capabilities make them suitable for withstanding high pressures and preventing leaks.

High-Temperature Environments: These flanges are also commonly employed in applications where elevated temperatures are involved, such as in steam lines, heat exchangers, and thermal power plants. DIN 2629 weld neck flanges can withstand high temperatures without deformation or loss of integrity.

Petrochemical Industry: The petrochemical industry extensively uses DIN 2629 weld neck flanges due to their ability to handle corrosive fluids and gases. They are commonly used in refineries, chemical processing plants, and offshore platforms, where resistance to corrosion and durability are essential.

Pipelines: Weld neck flanges are commonly used in pipeline systems to connect pipes and provide a secure and leak-proof joint. DIN 2629 weld neck flanges are utilized in various pipeline applications, including oil and gas transmission pipelines, water and wastewater pipelines, and industrial piping systems.

Shipbuilding: Weld neck flanges, including DIN 2628, are prevalent in shipbuilding applications. They are used in various systems on ships, such as fuel and oil transfer lines, cooling systems, and hydraulic systems. The weld neck flanges provide a reliable connection that can withstand the demanding conditions at sea.

Food and Beverage Industry: DIN 2629 weld neck flanges made from stainless steel are suitable for applications in the food and beverage industry. They are used in processing equipment, such as tanks, pumps, and pipelines, where hygiene and corrosion resistance are critical.