Manufacturer & Exporters of:
Instrumentation Pipe Fittings & Valves
Mail Us: sales@mcneilalloys.ae

ADNOC Approved Flanges Manufacturer, Supplier & Exporter in UAE

Mcneil Alloys is a renowned manufacturer, supplier, and exporter of ADNOC Approved Flanges, designed to meet the exacting safety, quality, and performance standards of Abu Dhabi National Oil Company (ADNOC) projects. These flanges are engineered for extreme conditions, including high pressure, elevated temperatures, and corrosive environments, making them ideal for pipelines, refineries, offshore platforms, and petrochemical facilities.

We provide ADNOC-certified flanges to clients across the UAE, Saudi Arabia, Qatar, Oman, Kuwait, Bahrain, Africa, USA, and Europe, delivering reliable, durable, and compliant solutions for critical energy and industrial operations.

Manufactured from premium Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys, our ADNOC Approved Flanges offer exceptional mechanical strength, corrosion resistance, and long-term operational reliability, ensuring uninterrupted performance in demanding oil, gas, and industrial projects.

Designed to Meet ADNOC Standards

ADNOC projects require components that guarantee safety, efficiency, and regulatory compliance. Mcneil Alloys produces flanges that adhere to these high standards, suitable for:

  • Onshore and offshore pipelines

  • Gas processing and distribution systems

  • Refinery and petrochemical plants

  • High-pressure oil and gas pipelines

  • Subsea production and flow systems

  • Storage terminals and LNG facilities

Using ADNOC-approved flanges ensures operational safety, compliance with industry standards, and reduced maintenance costs for critical infrastructure.

Materials & Flange Types for ADNOC Projects

Mcneil Alloys offers a wide variety of materials and flange designs to meet ADNOC specifications:

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 broad selection allows engineers to choose the right flange type, size, and material grade for any ADNOC project requirement.

Certification & Documentation

Every ADNOC Approved Flange from Mcneil Alloys comes with complete certification to ensure quality, compliance, and traceability:

  • Mill Test Certificates (EN 10204 3.1 / 3.2)

  • Positive Material Identification (PMI) reports

  • Non-Destructive Testing (UT, RT, MPI, DPI)

  • Hardness, tensile, and impact test certificates

  • Heat treatment and dimensional inspection reports

  • Full traceability to raw material heat numbers

These documents make project approvals and inspections fast and hassle-free for EPC contractors and engineers.

Global Supply & Technical Assistance

Mcneil Alloys supplies ADNOC Approved Flanges worldwide with secure, project-ready packaging. Our technical team assists clients with:

  • Selecting suitable materials and grades for specific operating conditions

  • Choosing correct flange types and pressure classes

  • Ensuring full compliance with ADNOC and international standards

  • Supplying custom or project-specific flange designs

Every flange is delivered inspection-ready, project-ready, and fully compliant.

Why Mcneil Alloys is the Trusted Choice for ADNOC Approved Flanges

  • Fully ADNOC-certified and compliant flanges

  • Superior materials for extreme and corrosive environments

  • Extensive range of sizes, pressure classes, and custom options

  • Complete documentation for approvals and traceability

  • Reliable global logistics and fast delivery

  • Expert technical support from selection to delivery

Reliable and Certified ADNOC Flanges

Ensure your pipelines, refineries, and gas systems operate safely and efficiently with ADNOC Approved Flanges from Mcneil Alloys. Designed for high pressure, extreme temperatures, and corrosive conditions, our flanges deliver long-lasting performance and operational reliability for critical oil, gas, and industrial projects.

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

Industries & Applications of ADNOC 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 – ADNOC Approved Flanges

What are ADNOC Approved Flanges? +
ADNOC Approved Flanges are flanges certified to meet the quality, safety, and performance standards of Abu Dhabi National Oil Company (ADNOC) for oil, gas, and industrial applications.
Which materials are used for ADNOC Approved Flanges? +
These flanges are manufactured using Carbon Steel, Alloy Steel, Stainless Steel, Duplex, Super Duplex, and Nickel Alloys to provide strength, corrosion resistance, and durability under high-pressure and high-temperature conditions.
Where are ADNOC Approved Flanges used? +
ADNOC Approved Flanges are used in offshore and onshore pipelines, refineries, petrochemical plants, gas processing units, LNG terminals, storage facilities, and other critical oil and gas infrastructure.
Do ADNOC Approved Flanges come with certifications? +
Yes. Mcneil Alloys supplies flanges with EN 10204 3.1/3.2 MTCs, PMI reports, NDT records (UT, RT, MPI, DPI), hardness, tensile, and impact test reports, heat treatment certificates, and full traceability.
Can custom or project-specific ADNOC flanges be supplied? +
Absolutely. Mcneil Alloys can provide custom sizes, special materials, and project-specific flanges according to ADNOC drawings, pressure classes, and engineering requirements.
Our Global Reach Connect Anytime And Anywhere