Manufacturer & Exporters of:
Instrumentation Pipe Fittings & Valves

Qatar Petroleum Approved Flanges Manufacturer, Supplier & Exporter in UAE

Mcneil Alloys is a leading manufacturer, supplier, and exporter of Qatar Petroleum Approved Flanges, engineered to meet the strict quality, safety, and performance standards of Qatar Petroleum (QP). Our flanges are designed for high-pressure, high-temperature, and corrosive environments, ensuring dependable performance across oil, gas, petrochemical, and industrial applications.

Serving clients in the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, USA, and Europe, Mcneil Alloys delivers fully certified Qatar Petroleum-compliant flanges that provide reliability, durability, and precision for pipelines, refineries, offshore platforms, and processing facilities.

Manufactured from Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys, our QP-approved flanges offer excellent mechanical strength, corrosion resistance, and long-term operational performance in critical industrial environments.

Engineered to Meet Qatar Petroleum Standards

Qatar Petroleum requires the highest quality components for safe and efficient operations. Mcneil Alloys produces flanges that meet these strict standards, making them ideal for:

  • Oilfield and refinery units

  • Offshore and onshore production platforms

  • Petrochemical and chemical processing plants

  • High-pressure and sour-service pipelines

  • Gas and LNG terminals

  • Storage, distribution, and industrial systems

Using Qatar Petroleum-approved flanges ensures safety, regulatory compliance, and long-term reliability for critical oil and gas infrastructure.

Materials & Types of Qatar Petroleum Approved Flanges

Mcneil Alloys offers a wide range of materials and flange types certified for Qatar Petroleum projects:

Materials:

  • Carbon Steel: A105, A350 LF2

  • Alloy Steel: F5, F9, F11, F22, F91

  • Stainless Steel: 304, 316, 321, 347

  • Duplex & Super Duplex: 2205, 2507

  • Nickel Alloys: Inconel, Monel, Hastelloy

Flange Types:

  • Weld Neck (WN)

  • Slip-On (SO)

  • Blind (BLRF)

  • Ring Type Joint (RTJ)

  • Socket Weld (SW)

  • Threaded (TH)

  • Long Weld Neck (LWN)

  • Orifice, Spacer & Spectacle Blind Flanges

This extensive selection allows engineers to choose the right material, size, and pressure class for any QP project.

Certification & Documentation

Every Qatar Petroleum Approved Flange from Mcneil Alloys comes with complete documentation for traceability and compliance:

  • PMI (Positive Material Identification) Reports

  • NDT Records – UT, RT, MPI, DPI

  • Hardness, Tensile & Impact Test Reports

  • Heat Treatment & Dimensional Inspection Certificates

  • Full Traceability to Raw Material Heat Numbers

These certifications streamline approvals for EPC contractors, engineers, and project managers.

Global Supply & Technical Support

Mcneil Alloys supplies Qatar Petroleum Approved Flanges across international markets with secure, project-ready packaging. Our technical team assists clients with:

  • Material and grade selection for oil, gas, and industrial applications

  • Flange type and pressure class recommendations

  • Compliance with Qatar Petroleum and international engineering standards

  • Custom and project-specific flange solutions

Every flange is supplied ready for inspection and installation, ensuring smooth project execution.

Why Choose Mcneil Alloys for Qatar Petroleum Approved Flanges

Key Advantages:

  • Fully Qatar Petroleum-certified and compliant flanges

  • High-performance materials suitable for extreme and corrosive conditions

  • Wide range of flange types, sizes, and custom options

  • Complete certification and traceability for approvals

  • Fast global delivery with ready stock availability

  • Expert technical support for material selection and compliance

Reliable & Certified Qatar Petroleum Approved Flanges

Ensure safe, compliant, and long-term performance in your oil, gas, and industrial projects with Qatar Petroleum Approved Flanges from Mcneil Alloys.

Contact Mcneil Alloys today to request a quote, check stock, or discuss your Qatar Petroleum project requirements.

Industries & Applications of Qatar Petroleum Approved Flanges

Engineered for offshore, energy, and heavy industrial environments, our Lamprell Approved Flanges deliver high-performance, corrosion resistance, and long-term reliability across a wide range of critical applications.

Offshore Platforms

Oil & Gas Fabrication Yards

Pipeline Construction

Refinery Units

Petrochemical Complexes

Export & Gas Processing Facilities

FPSO Modules & Topsides

Drilling Rig Maintenance & Construction

Frequently Asked Questions – Qatar Petroleum Approved Flanges

What are Qatar Petroleum Approved Flanges? +
Qatar Petroleum Approved Flanges are flanges certified to meet the strict quality, safety, and operational standards of Qatar Petroleum for oil, gas, and industrial projects.
Which materials are used for Qatar Petroleum Approved Flanges? +
These flanges are manufactured using Carbon Steel (A105, LF2), Alloy Steel (F5, F11, F22, F91), Stainless Steel (304, 316, 321, 347), Duplex, Super Duplex, and Nickel Alloys for strength, durability, and corrosion resistance.
Where are Qatar Petroleum Approved Flanges used? +
They are widely used in pipelines, offshore and onshore oilfield operations, refinery units, petrochemical plants, LNG terminals, and other high-pressure industrial applications.
Do Qatar Petroleum Approved Flanges come with certifications? +
Yes. Mcneil Alloys supplies flanges with EN 10204 3.1/3.2 MTCs, PMI test reports, NDT records (UT, RT, MPI, DPI), mechanical test results, heat treatment certificates, and full traceability to raw material heat numbers.
Can custom or project-specific Qatar Petroleum flanges be supplied? +
Absolutely. Mcneil Alloys provides custom-designed, project-specific, and special-grade flanges according to Qatar Petroleum drawings, EPC contractor requirements, or site-specific specifications.
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