Built for High-Performance Oilfield & Drilling Applications
NOV Approved Flanges from Mcneil Alloys are specifically designed to support critical oilfield equipment where reliability and leak-proof strength are essential. These flanges perform exceptionally well in environments exposed to pressure surges, corrosive drilling fluids, abrasive media, and extreme temperature variations.
They are widely used in:
• Drilling rigs and oilfield platforms
• Onshore and offshore production systems
• High-pressure mud circulation lines
• Well-head manifolds and choke & kill systems
• Subsea piping and intervention systems
The precision and durability of these flanges reduce downtime, enhance safety, and extend the lifespan of oilfield equipment—making them indispensable for NOV-approved applications.
Material Range & Flange Types Available
Mcneil Alloys provides an extensive selection of materials and flange configurations tailored for NOV project specifications. Our products are engineered for maximum durability, corrosion resistance, and structural strength.
Key Material Options
• Stainless Steel (304, 304L, 316, 316L, 321, 347)
• Carbon Steel & Low Alloy Steel
• Alloy Steel (F11, F22, F5, F9)
• Duplex & Super Duplex
• Nickel Alloys (Inconel, Hastelloy, Monel)
Flange Types
• Weld Neck Flanges
• Blind Flanges
• Slip-On Flanges
• RTJ (Ring-Type Joint) Flanges
• Orifice Flanges
• Socket Weld Flanges
• Long Weld Neck Flanges
All flanges are available in standard, customized, and project-specific dimensions for seamless integration into oilfield infrastructure.
Quality Assurance, Testing & Documentation
Mcneil Alloys ensures full compliance with NOV requirements through detailed inspection and certification. Every flange is delivered with complete traceability and documented verification for engineering and procurement teams.
Documentation Includes:
• PMI & Chemical Composition Reports
• Non-Destructive Tests (RT, UT, MPI, DPI)
• Hydrostatic/Pneumatic Pressure Test
• Dimensional Inspection Reports
• Heat Treatment Records
• Compliance Certificates for NOV Specifications
Our strict process guarantees consistent performance, long-term reliability, and easy approval during audits and project inspections.
Global Supply Capability & Project Support
Mcneil Alloys supports drilling contractors, EPC companies, oilfield service providers, and offshore engineering teams with fast and dependable flange deliveries. Our global logistics network ensures timely dispatch to the Middle East, Africa, Europe, and North America.
We also offer engineering support for selecting the right flange materials, pressure classes, and connection types based on NOV project guidelines.
Why Choose Mcneil Alloys for NOV Approved Flanges?
Choosing Mcneil Alloys ensures that every flange you receive is project-ready, fully certified, and built for long-term use in high-pressure drilling and oilfield operations.
Key Advantages:
• Fully compliant NOV-approved flange designs
• Durable materials built for harsh drilling and offshore environments
• Wide range of flange types and pressure ratings
• Fast delivery for urgent oilfield and offshore projects
• Technical guidance for material selection and specification
• Complete documentation and 100% traceability
Get NOV Approved Flanges for Your Next Project
Enhance the reliability, safety, and operational efficiency of your oilfield systems with NOV Approved Flanges from Mcneil Alloys. Whether you need standard, customized, or bulk project-based flange requirements, our team is ready to assist.
Request a quote or discuss your project needs today — choose Mcneil Alloys for certified, durable, and globally trusted NOV flange solutions.
