Repsol Steel LLP is a trusted ASME flange supplier, supplying a comprehensive range of ASME standard-compliant flanges to industrial buyers, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. ASME flanges are manufactured in accordance with ASME B16.5 (NPS ½ through NPS 24), ASME B16.47 (NPS 26 through NPS 60), ASME B16.36 (orifice flanges), and ASME B16.48 (line blanks) — covering pressure-temperature ratings, materials, dimensions, tolerances, marking, and testing requirements. They are widely used in Oil & Gas, petrochemical, refinery, power generation, and general industrial piping systems. We supply ASME flanges in A105 carbon steel, A182 stainless and alloy steel, A350 low-temperature steel, and duplex grades — with full documentation, EN 10204 3.1 certification, and international packaging standards.
With over 25 years of combined industry experience and a proven export network, we serve clients across Africa, the United States, Mexico, Oman, and Europe — including Oil & Gas, petrochemical, refinery, power generation, chemical processing, and marine facilities. Our supply operations are structured to meet the documentation, packaging, and compliance requirements of international industrial procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE compliance, PMI testing, and third-party certification where required.
Whether you require standard ASME B16.5 Class 150 weld neck flanges for a refinery in Oman, ASME B16.47 large diameter flanges for a pipeline in Mexico, ASME B16.36 orifice flanges for flow measurement in Europe, or ASME B16.48 spectacle blinds for isolation in Africa or the USA — Repsol Steel LLP delivers the right ASME flange solution, on time, with complete export documentation.
A complete ASME flange supply portfolio covering ASME B16.5, B16.47, B16.36, and B16.48 standard flanges — engineered for high-pressure, high-temperature, and critical piping systems across Africa, USA, Mexico, Oman, and Europe.
Standard ASME B16.5 flanges in pressure classes 150, 300, 400, 600, 900, 1500, and 2500 — the most widely used ASME flange standard for industrial piping systems.
Grades: A105, A182, A350 LF2
Classes: 150, 300, 400, 600, 900, 1500, 2500
Size Range: ½" to 24"
Large diameter ASME B16.47 flanges in Series A and Series B, pressure classes 75, 150, 300, 400, 600, and 900 — used for pipelines, storage tanks, and large-bore piping.
Grades: A105, A182, A350 LF2
Classes: 75, 150, 300, 400, 600, 900
Size Range: 26" to 60"
ASME B16.36 orifice flanges with pressure differential connections for flow measurement — available in weld neck Classes 300–2500 and slip-on/threaded Class 300.
Grades: A105, A182 F316, F11, F22
Classes: 300, 400, 600, 900, 1500, 2500
Size Range: ½" to 24"
ASME B16.48 spectacle blinds, paddle blinds, and spacers for positive line isolation in process piping — available in Classes 150 through 2500.
Grades: A105, A182 F304/F316, F11
Classes: 150, 300, 600, 900, 1500, 2500
Size Range: ½" to 24"
ASME standard weld neck and blind flanges for high-pressure and high-temperature service — with RF, FF, or RTJ faces per ASME B16.5 and B16.47.
Grades: A105, A182, A350 LF2
Compliance: ASME B16.5, B16.47
Size Range: ½" to 60"
Custom-manufactured ASME flanges in non-standard sizes, materials, face types, and configurations per drawings and project specifications — with quick turnaround times.
Grades: A105, A182, A350, Duplex, Exotic
Compliance: ASME B16.5, DIN, Custom Drawings
Size Range: ½" to 60"
ASME flanges are supplied in different materials and grades to suit specific pressure, temperature, and media conditions across Africa, USA, Mexico, Oman, and Europe. The material grade determines the mechanical strength, corrosion resistance, and temperature capability of the flange. We supply ASME flanges in the following materials and grades:
All ASME flanges we supply are accompanied by Material Test Certificates (MTC to EN 10204 3.1) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications. PMI testing is available on request.
| Parameter | Specification |
|---|---|
| ASME Standards | ASME B16.5 (NPS ½–24), ASME B16.47 (NPS 26–60), ASME B16.36 (Orifice), ASME B16.48 (Line Blanks) |
| Flange Types | Weld Neck, Slip-On, Blind, Lap Joint, Socket Weld, Threaded, Orifice, Long Weld Neck |
| Materials | Carbon Steel (A105), Stainless Steel (F304, F316, F321), Alloy Steel (F11, F22, F91), Low-Temp (LF2), Duplex (F51, F53, F55), Exotic Alloys (Monel, Inconel, Hastelloy) |
| Size Range | ½" to 60" standard; larger sizes available on request |
| Pressure Classes | Class 150, 300, 400, 600, 900, 1500, 2500 (ASME B16.5); Class 75, 150, 300, 400, 600, 900 (ASME B16.47) |
| Face Types | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Standards Compliance | ASME B16.5, B16.47, B16.36, B16.48, ASTM A105, A182, A350, EN 1092-1, DIN, BS |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | PMI testing, ultrasonic testing, radiography, third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
ASME standard flanges ensure dimensional interchangeability, verified pressure-temperature ratings, and material traceability — making them the global benchmark for industrial piping systems. Before finalizing an ASME flange for projects in Africa, USA, Mexico, Oman, or Europe, our technical team recommends evaluating four key factors:
If you are unsure which ASME flange specification best suits your application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable ASME flange solution.
We have supplied ASME B16.5, B16.47, B16.36, and B16.48 flanges to buyers across Africa, the USA, Mexico, Oman, and Europe — building a supply track record that reflects reliability, compliance, and on-time delivery.
Every ASME flange shipment is accompanied by complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, Material Test Certificates (MTC to EN 10204 3.1), and third-party inspection reports on request.
Our ASME flanges comply with ASME B16.5, B16.47, B16.36, B16.48, ASTM A105, A182, A350, EN 1092-1, DIN, and BS standards — ensuring that products meet the exact specifications of international industrial projects.
ASME flanges are packed with rust-preventive coating and moisture-resistant export-grade packaging designed for long-distance sea, air, and road transport — protecting product integrity from factory to destination.
We support a range of Incoterms — FOB, CIF, CFR, EXW, DAP — and coordinate with trusted freight partners for sea, air, and multimodal shipments to major ports across Africa, USA, Mexico, Oman, and Europe based on buyer preference.
Our support team assists buyers with standard selection (B16.5 vs B16.47), class selection, grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage.
Repsol Steel LLP supplies ASME standard flanges to a wide range of process industries across Africa, USA, Mexico, Oman, and Europe where dimensional interchangeability, verified pressure ratings, and material traceability are essential for safety and operational reliability.
ASME B16.5 and B16.47 flanges supplied for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines in upstream, midstream, and downstream operations across Africa, USA, Mexico, Oman, and Europe.
ASME B16.5 flanges supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
ASME B16.5 and B16.47 flanges supplied for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units.
ASME B16.5 flanges supplied for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and combined-cycle power plants.
ASME B16.36 orifice flanges supplied for flow measurement in process piping, custody transfer, and allocation metering systems.
ASME B16.48 spectacle blinds and paddle blinds supplied for positive line isolation during maintenance, turnaround, and emergency shutdown.
ASME flanges supplied to fabrication units and EPC contractors for piping spools, skids, modular systems, and industrial assemblies — with quick turnaround times and documentation support.
Repsol Steel LLP is recognized as a reliable ASME flange supplier for procurement teams, EPC contractors, and maintenance projects across Africa, the USA, Mexico, Oman, and Europe. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers worldwide — ensuring your ASME flanges arrive on time, in specification, and ready for installation.
Africa: Oil & Gas, mining, refinery & industrial piping projects
USA: Oil & Gas, chemical, power generation & EPC supply
Mexico: Refinery, petrochemical & process industry projects
Oman: Oil & Gas, petrochemical, desalination & refinery projects
Europe: Chemical, power, marine & industrial piping supply
All ASME flanges are supplied with material certificates, dimensional inspection reports, PMI testing, and third-party certification as required by project specifications.
Yes. We are a leading ASME flange supplier serving buyers across Africa, the USA, Mexico, Oman, and Europe — offering ASME B16.5 (NPS ½–24), ASME B16.47 (NPS 26–60), ASME B16.36 (orifice), and ASME B16.48 (line blanks) flanges in A105, A182, A350 LF2, duplex, and exotic alloys.
ASME B16.5 covers pipe flanges in sizes NPS ½ through NPS 24 in pressure classes 150, 300, 400, 600, 900, 1500, and 2500. ASME B16.47 covers large diameter steel flanges in sizes NPS 26 through NPS 60 in pressure classes 75, 150, 300, 400, 600, and 900. Together, they cover the full range of industrial flange sizes.
ASME B16.36 orifice flanges are flanges with pressure differential connections used for flow measurement. They are available in weld neck Classes 300, 400, 600, 900, 1500, and 2500, and slip-on/threaded Class 300.
ASME B16.48 covers line blanks — including spectacle blinds, paddle blinds, and spacers — used to isolate a portion of a piping system for maintenance. Spectacle blinds (figure-8 blanks) have two connected discs: one open for flow and one closed for isolation, allowing quick changeover by rotating the blind.
Yes. We offer custom sizes, pressure classes, ASME flange configurations, materials, and face types based on drawings, piping specifications, and project requirements — with quick turnaround times.
Send us your ASME flange specifications, standard requirements (B16.5, B16.47), or drawings. Our export team will respond within 24 hours with a tailored quotation.
Repsol Steel LLP is a leading manufacturer and stockholder of high-quality piping products, serving the Oil, Gas, Petrochemical, and Nuclear industries with reliable engineering solutions.
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