Built for Kuwait Oil Company Specifications
KOC is known for its stringent engineering requirements and safety standards. Mcneil Alloys manufactures flanges that meet the operational demands of:
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Crude oil and natural gas transmission pipelines
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Water injection and enhanced oil recovery systems
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Petrochemical, refinery & gas separation plants
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Gathering centers and booster stations
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Offshore and onshore oilfield installations
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Sour service and corrosive fluid media
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Steam, condensate & high-temperature processing lines
Our flanges are produced in accordance with KOC engineering standards, ASME, ASTM, API, and international quality norms, ensuring zero compromise on safety and performance.
Material Range & Flange Types for KOC Projects
Available Materials
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Carbon Steel: ASTM A105, A350 LF2
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Alloy Steel: F5, F9, F11, F22, F91
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Stainless Steel: 304/304L, 316/316L, 321, 347
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Duplex & Super Duplex: 2205, 2507
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Nickel Alloys: Inconel, Monel, Hastelloy, Alloy 20
Flange Types Offered
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Weld Neck Flanges
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Slip-On Flanges
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Blind Flanges
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RTJ (Ring Type Joint) Flanges
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Socket Weld & Threaded Flanges
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Long Weld Neck Flanges
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Spectacle Blind & Spacer Flanges
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Orifice Flanges
Each flange is precision-machined to withstand fluctuating pressure cycles, corrosive environments, and heavy-duty industrial operation.
Documentation & Quality Assurance
To meet KOC’s detailed documentation and inspection requirements, every flange is supplied with:
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EN 10204 3.1 / 3.2 Mill Test Certificates
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PMI test reports
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NDT reports – UT, RT, MPI, DPI
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Hardness, impact & tensile test certificates
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Heat treatment charts
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Dimensional inspection & mechanical testing
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Full traceability with raw material heat numbers
This ensures seamless approval for EPC contractors, consulting engineers, and procurement teams involved in KOC projects.
Global Supply Support & Technical Assistance
Mcneil Alloys has extensive experience supporting KOC contractors and project engineers with:
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Material & grade selection based on service conditions
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Pressure class and flange type recommendation
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Customized or non-standard flange requirements
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Timely delivery with export-grade packing
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Shutdown, maintenance, and emergency supply capability
Our experienced technical team ensures that every flange is fully compliant and ready for installation upon delivery.
Why Mcneil Alloys for KOC Approved Flanges?
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Flanges engineered to match strict KOC standards
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Designed for sour gas, seawater, high-temperature & high-pressure environments
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Wide range of sizes, materials & pressure ratings
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Complete certification and testing support
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Reliable global delivery and logistics
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Proven supplier for complex oil & gas projects
High-Integrity KOC Flanges for Critical Energy Operations
With a strong focus on safety, durability, and compliance, Mcneil Alloys delivers KOC Approved Flanges that ensure stable operation even in the most challenging industrial environments. Whether you’re managing a new KOC facility, revamping an existing plant, or executing a pipeline expansion, our flanges are built to deliver reliable long-term performance.
Get in touch with Mcneil Alloys today to request a quotation or discuss your KOC project specifications.
