Dolphin Approved Flanges

Mcneil Alloys operates from the UAE as a specialised manufacturer, supplier, and exporter of flanges produced for Dolphin Energy specification projects, supporting critical gas and energy infrastructure across the Middle East and international markets. Our flanges are engineered for applications where failure is not an option, and performance must remain consistent under continuous pressure, temperature variation, and aggressive service conditions.

Flanges supplied for Dolphin Energy–related projects are manufactured in accordance with applicable international standards, project drawings, and EPC inspection requirements associated with Dolphin Energy gas transmission and processing systems.

Engineered to Meet Dolphin Energy Standards

Dolphin Energy projects require the highest quality components to ensure safe and efficient operations. Mcneil Alloys produces flanges that comply with these stringent standards, suitable for:

• Offshore and onshore pipelines

• Gas processing and transmission systems

• Refinery and petrochemical plants

• High-pressure oil and gas pipelines

• Subsea production and flow systems

• LNG terminals and storage facilities

Using Dolphin-approved flanges ensures operational safety, regulatory compliance, and minimal maintenance in critical energy and industrial systems.

Materials & Types of Dolphin Approved Flanges

Mcneil Alloys offers a wide range of materials and flange types certified for Dolphin 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 wide selection allows engineers to choose the appropriate flange type, size, and material for Dolphin projects.

Certification & Documentation

Every Dolphin Approved Flange from Mcneil Alloys comes with full documentation to ensure compliance and traceability:

• PMI (Positive Material Identification) Reports

• NDT Reports – UT, RT, MPI, DPI

• Hardness, Tensile & Impact Test Reports

• Heat Treatment & Dimensional Inspection Certificates

• Full Traceability to Raw Material Heat Numbers

These certifications simplify approvals for EPC contractors, project engineers, and industrial clients.

Global Supply & Technical Support

Mcneil Alloys supplies Dolphin Approved Flanges to global markets with secure, project-ready packaging. Our technical team assists clients with:

• Selecting the right material and grade for specific fluids and pressures

• Determining flange type and pressure class suitability

• Ensuring compliance with Dolphin and international engineering standards

• Supplying custom or project-specific flanges as required

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

Why Choose Mcneil Alloys for Dolphin Approved Flanges

Key Advantages:

• Fully Dolphin-approved and certified flanges

• High-performance materials for extreme and corrosive conditions

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

• Complete certification package for traceability and approval

• Fast delivery with global logistics support

• Technical guidance from material selection to delivery

Reliable and Certified Dolphin Approved Flanges

Ensure your pipelines, refineries, and gas processing facilities operate safely and efficiently with Dolphin Approved Flanges from Mcneil Alloys. Our flanges are designed to withstand high pressure, extreme temperatures, and corrosive environments, providing long-lasting performance for critical industrial projects.

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