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Instrumentation Pipe Fittings & Valves
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PDO Approved Flanges Manufacturer, Supplier & Exporter in UAE

Mcneil Alloys is a trusted manufacturer, supplier, and exporter of PDO (Petroleum Development Oman) Approved Flanges, engineered to meet the rigorous safety, performance, and reliability standards set by PDO for upstream and downstream energy projects. Our flanges are built for challenging environments involving high pressure, extreme temperatures, and corrosive fluids, ensuring dependable operation across pipelines, production units, and gas processing facilities.

We supply PDO-compliant flanges to clients across Oman, UAE, Saudi Arabia, Qatar, Kuwait, Bahrain, Africa, USA, and Europe, supporting industrial and energy sectors that require precision, durability, and full technical compliance.

Manufactured from premium Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys, our PDO Approved Flanges offer superior corrosion resistance, mechanical strength, and operational reliability for critical oil, gas, and petrochemical applications.

Designed to Meet Strict PDO Specifications

PDO projects demand high-integrity components for safe, uninterrupted operations. Mcneil Alloys manufactures flanges that conform to PDO engineering, inspection, and performance guidelines, making them suitable for:

  • Oil and gas gathering systems

  • High-pressure transmission pipelines

  • Gas processing & dehydration facilities

  • Refinery and petrochemical complexes

  • Offshore wellhead & subsea flow systems

  • Storage terminals and booster stations

  • Enhanced oil recovery (EOR) units

Using PDO Approved Flanges ensures compliance, long service life, and reduced maintenance for mission-critical operations.

Materials & Types of PDO Approved Flanges

Mcneil Alloys provides a wide selection of materials and configurations qualified for PDO applications:

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 & Spectacle Blind Flanges

This broad range allows engineering teams to select the ideal material and configuration for PDO’s stringent project demands.

Certification & Documentation

Every PDO Approved Flange is supplied with full documentation to ensure transparency, quality assurance, and traceability:

  • EN 10204 3.1 / 3.2 MTC

  • PMI (Positive Material Identification)

  • NDT Reports – UT, RT, MPI, DPI

  • Hardness, Tensile & Impact Testing

  • Heat Treatment Records

  • Dimensional & Visual Inspection Reports

  • Complete Traceability to Heat Numbers

Our documents support faster project approvals for EPCs, consultants, and QA/QC departments.

Global Supply & Professional Support

Mcneil Alloys delivers PDO Approved Flanges globally with secure, export-ready packaging. Our technical experts assist project engineers with:

  • Material selection based on service conditions

  • Pressure class and flange-type recommendations

  • Compliance with PDO and international standards

  • Custom-built or project-specific flange requirements

Each flange is delivered fully compliant, inspection-ready, and suitable for direct installation.

Why Choose Mcneil Alloys for PDO Approved Flanges?

  • Fully compliant PDO-approved manufacturing

  • Durable materials for high-pressure & corrosive service

  • Extensive range of sizes, types & pressure ratings

  • Comprehensive documentation for easy project approvals

  • Reliable global shipping and quick dispatch

  • Expert technical assistance from enquiry to delivery

Reliable, PDO Certified Flanges for Energy Projects

Ensure the long-term safety and performance of your oil, gas, and industrial systems with PDO Approved Flanges from Mcneil Alloys. Built for extreme operational requirements, our flanges deliver durability, compliance, and consistent service in critical projects across the Middle East and worldwide.

Contact Mcneil Alloys today to request pricing, check availability, or discuss your PDO project specifications.

Industries & Applications of PDO 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 – PDO Approved Flanges

What are PDO Approved Flanges? +
PDO Approved Flanges are flanges that meet the engineering, safety, and quality requirements set by Petroleum Development Oman. They are designed for demanding oil and gas applications where durability, precision, and compliance are essential.
Which industries use PDO Approved Flanges? +
These flanges are widely used in oil & gas extraction units, processing plants, transmission pipelines, refineries, petrochemical complexes, and high-pressure industrial systems across the Middle East and global energy markets.
What materials are PDO Approved Flanges made from? +
Mcneil Alloys manufactures PDO Approved Flanges using Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys to ensure exceptional strength, corrosion resistance, and long service life in harsh environments.
Do PDO Approved Flanges come with certification? +
Yes. All PDO Approved Flanges are supplied with EN 10204 3.1/3.2 MTCs, PMI reports, NDT test results, hardness and tensile test records, heat treatment charts, and complete material traceability required for PDO project approvals.
Can custom PDO project flanges be manufactured? +
Absolutely. Mcneil Alloys provides custom sizes, special materials, and project-specific flange designs tailored to PDO drawings, pressure classes, and engineering requirements for both onshore and offshore environments.
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