DIN 2630 Carbon Steel / Stainless Steel Straight Hub Welding Flanges WNRF PN2.5

DIN 2630 Carbon Steel and Stainless Steel Weld Neck Flanges WNRF PN2.5 for Industrial Purposes

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 DIN WELD NECK FLANGES for more than 20 years in the industry.

DIN weld neck flanges are a type of pipe flange that is designed to be butt-welded to the end of a pipe. They have a long tapered hub that gradually merges with the pipe, providing reinforcement and reducing stress concentrations. The flange is then bolted to another weld neck flange or a compatible flange using bolts or studs.

DIN standards are extensively utilized in Europe, with a particular emphasis in Germany. DIN weld neck flanges adhere to the precise dimensional and technical specifications established by DIN standards. These flanges are manufactured in diverse materials, including carbon steel, stainless steel, and alloy steel, enabling their application in a wide array of industries such as oil and gas, petrochemical, power generation, and others.

Description of DIN Weld Neck Flanges:

DIN weld neck flanges are a type of flange that conform to the specific dimensional and technical requirements set by DIN standards. These flanges are designed with a long tapered hub, which provides an ideal transition for welding pipes. The welding neck feature ensures a strong and leak-proof connection between the flange and the pipe.

DIN weld neck flanges are available in various materials such as carbon steel, stainless steel, and alloy steel. This allows them to withstand high pressure, extreme temperatures, and corrosive environments, making them suitable for a wide range of applications in industries like oil and gas, petrochemical, power generation, and more.

These flanges are known for their robust construction, precision engineering, and reliable performance. They are manufactured with strict adherence to DIN standards, ensuring consistent quality and compatibility with other DIN-compliant components.

DIN weld neck flanges are designed to be easy to install and provide a secure connection that resists leakage and vibration. They offer excellent structural integrity and are suitable for high-pressure piping systems. Their raised face design provides a sealing surface, allowing the flange to be bolted tightly to the mating flange or equipment.

Key features and characteristics of DIN weld neck flanges include:

Design and Features: DIN weld neck flanges have a specific design that includes a long tapered hub, which provides an ideal transition for welding pipes. The flange neck has a beveled end for easy and precise welding. The flange face is raised to create a sealing surface for proper bolted connection with the mating flange or equipment. This design ensures a strong, leak-proof, and secure connection.

Sizes and Pressure Ratings: DIN weld neck flanges are available in a wide range of sizes, starting from small diameters to large diameters, to accommodate different pipe sizes. They are designed to withstand high-pressure applications and are available in pressure ratings ranging from PN2.5 to PN400, indicating the maximum pressure they can handle.

Dimensions and Standards: DIN weld neck flanges adhere to specific dimensional and technical requirements set by DIN standards, particularly DIN 2627 to DIN 2638. These standards define the flange dimensions, such as outside diameter, bolt circle diameter, hub diameter, thickness, and height, ensuring compatibility and interchangeability with other DIN-compliant components.

Surface Finish and Coatings: DIN weld neck flanges typically have a smooth surface finish to enhance corrosion resistance and ease of cleaning. Depending on the application and environmental conditions, additional coatings or treatments such as anti-corrosion coatings, galvanization, or epoxy coatings may be applied to provide extra protection against corrosion.

Testing and Certification: DIN weld neck flanges undergo various quality control measures to ensure their performance and reliability. They are subjected to rigorous testing, including dimensional inspections, material analysis, pressure testing, and non-destructive testing methods such as ultrasonic testing or radiographic examination. Manufacturers often provide certification documents or test reports to validate the compliance of the flanges with DIN standards and industry specifications.

Applications: DIN weld neck flanges are widely used in various industries such as oil and gas, petrochemical, power generation, chemical processing, water treatment, and many others. They are suitable for applications involving high-pressure and high-temperature environments, as well as corrosive fluids or gases. Their robust construction, secure welding connection, and compatibility with DIN standards make them a reliable choice for critical piping systems.

DIN 2630 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.

Applications of DIN 2630 Weld Neck Flanges:

DIN 2627 weld neck flanges are specifically designed for use in specific applications where their unique characteristics are required. Here are some common applications of DIN 2630 weld neck flanges:

High-Pressure Systems: DIN 2630 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 2630 weld neck flanges can withstand high temperatures without deformation or loss of integrity.

Petrochemical Industry: The petrochemical industry extensively uses DIN 2630 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 2630 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 2630, 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 2630 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.