Weld Neck Flanges

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What is Weld-Neck Flange

A weld-neck flange is a type of flange designed to be butt-welded to the end of a pipe. The long tapered neck of the flange facilitates a smooth transition from the pipe to the flange, minimizing stress concentrations and providing excellent structural integrity. Weld-neck flanges are widely used in critical applications where high pressure, temperature, and cyclic loading are present.

Types of Weld-Neck Flange

Standard Weld-Neck Flange

The standard weld-neck flange features a uniform neck length and hub diameter, providing a reliable and versatile connection.

Long Weld-Neck Flange

The long weld-neck flange has an extended neck length, offering additional support and flexibility in various applications.

Specification of Weld-Neck Flange

Metco Overseas ensures the highest quality in weld-neck flanges by providing detailed specifications to meet the rigorous requirements of different industries.

Property

Value

Flange Type

Weld-Neck

Size Range

1/2″ to 24″ or Customizable

Pressure Class

150#, 300#, 600#, 900#, 1500#, 2500# or Custom

Material Composition

Varies based on material type

Standard

ANSI, ASME, DIN, BS, JIS, or Customized

Neck Length

Standard or Customizable

Hub Diameter

As per industry standards

Welding Details

Butt-welded

Face Type

Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), or Custom

Surface Finish

Anti-rust coating, Galvanized, or Customized

Certification

ISO 9001:2015

Available Materials in Weld-Neck Flange

Metco Overseas offers weld-neck flanges in a diverse range of materials, each selected for its unique properties to meet specific industrial requirements.

  •  Titanium :- Titanium weld-neck flanges offer exceptional corrosion resistance and strength, making them ideal for chemical processing, marine, and aerospace applications.

  • Hastelloy :- Hastelloy weld-neck flanges, known for their high resistance to corrosion and oxidation, are suitable for use in chemical processing and offshore environments.

  • Copper :- Copper weld-neck flanges are valued for their excellent conductivity and corrosion resistance, making them suitable for applications in plumbing and electrical systems.

  • Bronze :- Bronze weld-neck flanges, with their combination of copper and tin, provide good corrosion resistance and are often used in marine and architectural applications.

  • Stainless steel  :- Stainless steel weld-neck flanges, with their corrosion resistance and strength, find applications across various industries, including food processing and chemical plants.

  • Mild steel :- Mild steel weld-neck flanges offer strength and durability, making them suitable for applications in construction, oil and gas, and general manufacturing.

Applications

Weld-neck flanges are essential components in various industries, contributing to the structural integrity and reliability of piping systems.

  • Oil and Gas : In the oil and gas industry, weld-neck flanges are used in critical applications where high pressure and cyclic loading demand a robust and secure connection.
  • Chemical Processing : Weld-neck flanges, particularly those made from corrosion-resistant materials like titanium and hastelloy, play a vital role in chemical processing plants.
  • Power Generation : In power plants, weld-neck flanges are utilized in high-pressure steam and water systems, ensuring a secure and leak-resistant connection.
  • Aerospace : Titanium weld-neck flanges are crucial in the aerospace industry, where lightweight, corrosion-resistant materials are essential for aircraft components.
  • Marine : Materials like bronze and stainless steel make weld-neck flanges suitable for marine applications, providing resistance to corrosion in saltwater environments.

Why Metco Overseas is Best for Weld-Neck Flange

  • Material Expertise: Metco Overseas offers weld-neck flanges in a diverse range of materials, ensuring customers find the right solution for their specific application.
  • Customization: Our weld-neck flanges are available in various sizes, pressure classes, neck lengths, hub diameters, face types, and surface finishes, providing customers with the flexibility to meet their unique project requirements.
  • Quality Assurance: Metco Overseas guarantees that every weld-neck flange meets the highest quality standards, adhering to international specifications and certifications.
  • Global Reach: As a reliable international supplier, Metco Overseas ensures timely delivery of weld-neck flanges to clients worldwide, ensuring a strong global presence.
  • Expert Guidance: With extensive industry knowledge, our team provides expert guidance to help customers select the right weld-neck flange for their application.

 

Metco Overseas stands as a premier provider of weld-neck flanges, offering unparalleled quality, customization, and expertise to meet the dynamic needs of industries globally. Contact us today to discover how our weld-neck flanges can enhance the efficiency and reliability of your piping systems.

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