Company Overview:

We are a leading manufacturer and supplier of high-quality flanges, specializing in flanges that meet the highest standards of performance, reliability, and quality. We design and produce flanges in accordance with API 6A, ensuring precision engineering and thorough testing for each piece. With an extensive range of materials, sizes, and customizable options, we serve industries across oil, gas, and other heavy-duty applications.

Description:

A Companion Flange is a type of flange designed to pair with another flange, making it a critical component in ensuring the correct alignment and integrity of a pipeline. It features bolt holes that align precisely with another flange. Often used in systems with threaded outlets, companion flanges can have a Raised Face (RF) or Ring Joint (RTJ) design, making them compatible with many systems, including high-pressure applications. These flanges are also referred to as Threaded Flanges in certain industries due to their threaded outlet design.

Features:

 

• Manufactured per API 6A: Designed and built according to the latest API 6A standards for consistent performance.

• Materials Available: We offer companion flanges in a variety of materials including AISI 4130 (forged), 75K, and 410 Stainless Steel, ensuring compatibility with various applications.

• Testing: Each companion flange undergoes comprehensive testing, including:

  • Hardness Testing: Ensures material strength.

  • Magnetic Test (MT): Checks for surface defects.

  • Nondestructive Testing (NT): Validates structural integrity without damaging the material.

  • Hydrostatic Testing: Verifies the flange's pressure tolerance.

• Multiple Surface Treatments: Includes options such as Anti-Rust Oil, Transparent/Yellow/Black Anti-Rust Paint, Zinc Coating, and Hot Dipped Galvanizing for extended durability.

Technical Data:

• Size Range: 1-13/16″ – 26-3/4″

• Working Pressure:

  • 2000 PSI

  • 3000 PSI

  • 5000 PSI

  • 10000 PSI

  • 15000 PSI

  • 20000 PSI

1. Design and Construction:

   • Outer Diameter: The dimensions would depend on the size of the flange required, usually based on the API 6A standards.

   • Thickness: The flange thickness will also be based on the size and material class.

   • Bolt Holes: These would be positioned around the perimeter of the flange (the number and size of holes depend on the specific standard and size of the flange).

   • Gasket Sealing Surface: This area would be machined to ensure a proper seal when installed.

   • No Central Hole: The key difference from regular flanges—no opening to allow fluid to pass through.

2. Material Classes and Specifications:

   • Material Classes: BB, CC, DD, EE, FF (various materials like carbon steel, stainless steel, alloy steel).

   • Performance Requirements: PR1, PR2, depending on pressure and temperature requirements.

   • Temperature Class: L-U (used for a specific temperature range).

   • Product Specification Level: PSL1, PSL2, PSL3, PSL4, indicating the quality level and testing requirements.

3. Testing and Quality Assurance:

   • Hardness Test: Ensures the material hardness meets specified standards.

   • MT (Magnetic Test): Ensures there are no surface defects.

   • NT (Nondestructive Testing): Ensures structural integrity without damaging the material.

   • Hydrostatic Test: Checks the pressure withstand capability of the flange.

Now, I’ll outline how to create the drawing:

• View: A side profile and top-down view of the blind flange.

• Dimensions: Include bolt hole locations, outer diameter, thickness, gasket sealing area, and material specifications.

• Labeling: Proper labeling for each feature (e.g., bolt holes, gasket surface, thickness, etc.), and note the material class, temperature class, and testing methods.

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