Manufacturer & Exporters of:
Instrumentation Pipe Fittings & Valves

OXY Approved Flanges Manufacturer, Supplier & Exporter in UAE

Mcneil Alloys is a trusted manufacturer, supplier, and exporter of OXY Approved Flanges, engineered to meet the stringent quality and performance standards of Occidental Petroleum (OXY)—one of the world’s leading oil & gas and energy companies. Our flanges are designed for high-pressure, high-temperature, and corrosive environments, ensuring reliable performance in upstream, midstream, and downstream operations.

With a global presence across the UAE, Saudi Arabia, Qatar, Kuwait, Oman, Bahrain, Africa, USA, and Europe, Mcneil Alloys supplies fully certified OXY-compliant flanges that deliver exceptional strength, durability, and 100% operational integrity.

We manufacture OXY Approved Flanges using premium Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys, ensuring superior resistance to corrosion, extreme temperatures, sour service conditions, and heavy operational loads.

Designed to Meet OXY’s Global Engineering Standards

Occidental Petroleum follows some of the strictest guidelines for equipment used in critical energy operations. Mcneil Alloys manufactures flanges that align with OXY specifications, making them suitable for:

  • Oilfield drilling & wellhead equipment

  • Onshore & offshore production facilities

  • Refinery units & petrochemical complexes

  • Sour gas & corrosive fluid handling

  • Crude oil transmission pipelines

  • Enhanced oil recovery (EOR) systems

  • Water injection & steam flood systems

Using OXY Approved Flanges ensures maximum safety, compliance, corrosion resistance, and long-term efficiency in demanding industrial environments.

Materials & Types of OXY Approved Flanges

We offer a comprehensive range of OXY-approved flange materials and designs to suit diverse energy-sector applications.

Materials:

  • Carbon Steel: A105, A350 LF2

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

  • Stainless Steel: 304, 316, 321, 347

  • Duplex & Super Duplex: UNS S31803, S32205, S32750

  • Nickel Alloys: Inconel, Monel, Hastelloy, Nickel 200/201

Flange Types:

  • Weld Neck (WN)

  • Slip-On (SO)

  • Blind (BLRF)

  • RTJ (Ring Type Joint)

  • Socket Weld (SW)

  • Threaded (TH)

  • Long Weld Neck (LWN)

  • Orifice, Spacer & Spectacle Blind Flanges

This wide range ensures compatibility with OXY project specifications, pressure class requirements, and material standards.

Certification & Documentation Provided

Mcneil Alloys supplies complete documentation aligned with OXY’s quality assurance processes:

  • EN 10204 3.1 / 3.2 Mill Test Certificates

  • PMI (Positive Material Identification) Reports

  • NDT Reports – UT, RT, MPI, DPI

  • Sour Service (HIC/SSC) Test Reports (if required)

  • Hardness, Impact & Tensile Test Reports

  • Heat Treatment and Dimensional Inspection Certificates

  • Full Raw Material Traceability

These certifications ensure seamless approvals for EPC contractors, oilfield service companies, and project engineers.

Global Supply Network & Technical Expertise

Mcneil Alloys exports OXY Approved Flanges worldwide with fast delivery and export-grade packaging. Our technical experts assist clients with:

  • Choosing the correct flange type

  • Material selection based on fluid, temperature, and pressure

  • Compliance with OXY and international standards

  • Customized or project-specific requirements

We ensure that every flange delivered is inspection-ready, project-ready, and fully compliant.

Why Choose Mcneil Alloys for OXY Approved Flanges

Key Advantages:

  • 100% OXY-approved and compliant flanges

  • High-performance materials for extreme & corrosive conditions

  • Complete certification package and quality documentation

  • Quick worldwide delivery for urgent projects

  • Skilled technical team for engineering and material support

Order OXY Approved Flanges for Your Energy & Oilfield Projects

Choose Mcneil Alloys for certified, durable, and high-performance OXY Approved Flanges engineered to withstand the toughest oilfield and energy environments. We deliver precision, reliability, and unmatched compliance for your critical onshore and offshore operations.

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

Industries & Applications of OXY 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 – OXY Approved Flanges

What are OXY Approved Flanges? +
OXY Approved Flanges are flanges certified to meet Occidental Petroleum’s (OXY) strict engineering, safety, and quality standards, suitable for oilfield, refinery, and energy applications.
Which materials are used for OXY Approved Flanges? +
Mcneil Alloys manufactures OXY-approved flanges using Carbon Steel (A105, LF2), Alloy Steel (F5, F11, F22, F91), Stainless Steel (304, 316, 321, 347), Duplex, Super Duplex, and Nickel Alloys such as Inconel, Monel, and Hastelloy for durability and corrosion resistance.
Where are OXY Approved Flanges commonly used? +
These flanges are widely used in oilfield drilling rigs, wellhead equipment, offshore and onshore production facilities, refinery units, petrochemical plants, and high-pressure pipelines handling crude oil, gas, or corrosive fluids.
Do OXY Approved Flanges come with certifications? +
Yes. Every flange is supplied with EN 10204 3.1/3.2 MTCs, PMI test reports, NDT records (UT, RT, MPI, DPI), mechanical test results, heat treatment documentation, and full material traceability to meet OXY standards.
Can custom or project-specific OXY flanges be supplied? +
Absolutely. Mcneil Alloys provides custom-designed, project-specific, and special-grade flanges as per OXY drawings, EPC contractor requirements, and site-specific engineering needs.
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