Repsol Steel LLP is a trusted flange supplier for refinery projects, exporting a comprehensive range of flanges to refinery operators, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. Our product range includes ASME B16.5 flanges in all pressure classes, ASME B16.47 large diameter flanges, API 6A wellhead flanges, and RTJ, weld neck, blind, slip-on, socket weld, and threaded flanges — manufactured in carbon steel, stainless steel, alloy steel, duplex, and exotic alloys. Every export shipment is supplied with full documentation, EN 10204 3.1 certification, and international packaging standards suited to global import requirements.
With over 25 years of combined industry experience and a proven export network, we serve clients across Africa, USA, Mexico, Oman, and Europe — including crude distillation units, catalytic cracking units, hydrocrackers, hydrotreaters, cokers, and FCC units. Our export operations are structured to meet the documentation, packaging, customs, and compliance requirements of international procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE MR0175 compliance, PMI testing, Certificate of Origin, and third-party certification where required.
Whether you require weld neck flanges for a hydrocracker in Europe, RTJ blind flanges for a high-pressure separator in USA, alloy steel flanges for a coker in Oman, ASME B16.47 large diameter flanges for a pipeline in Mexico, or duplex flanges for a corrosive unit in Africa — Repsol Steel LLP exports the right refinery flange solution, on time, with complete export documentation and customs support.
A complete refinery flange export portfolio covering ASME B16.5, ASME B16.47, and API 6A flanges in weld neck, blind, slip-on, socket weld, RTJ, and threaded types — engineered for leak-proof connections in high-temperature and high-pressure refinery service.
Standard ASME B16.5 flanges exported in Classes 150 through 2500. The most widely used flange standard for refinery piping systems.
Types: WN, SO, BL, LJ, SW, TH
Classes: 150, 300, 600, 900, 1500, 2500
Facing: RF, FF, RTJ
Weld neck flanges exported for high-pressure and high-temperature service with superior stress distribution. Blind flanges for sealing pipeline ends and vessel openings.
Grades: A105, A182 F316, F11, F22, F91
Compliance: ASME B16.5, B16.47
Size Range: ½" to 60"
RTJ flanges exported for critical high-pressure gas and hydrocarbon service with metal-to-metal sealing. Socket weld flanges for small-bore high-pressure piping.
Face: Ring Type Joint (R, RX, BX)
Classes: 300 to 2500
Size Range: ½" to 24"
Large diameter flanges (26"–60") exported in Series A and B for pipelines, storage tanks, and large-bore piping in refinery service.
Series: A (MSS SP-44), B (API 605)
Classes: 75, 150, 300, 400, 600, 900
Facing: RF, RTJ
Slip-on flanges exported for low and moderate-pressure service. Threaded flanges for utility piping and instrument connections in refinery service.
Grades: A105, A182 F316, A350 LF2
Compliance: ASME B16.5, B16.47
Size Range: ½" to 60"
Orifice flanges, spectacle blinds, spades, spacers, and custom-manufactured flanges per drawings and project specifications for refinery applications.
Types: Orifice, Spectacle, Spade, Spacer
Compliance: ASME B16.36, B16.48, Custom
Size Range: ½" to 60"
Refinery flanges are exported in different materials and grades to suit specific pressure, temperature, and media conditions. We export refinery flanges to Africa, USA, Mexico, Oman, and Europe in the following materials and grades:
All refinery flanges we export are accompanied by Material Test Certificates (MTC to EN 10204 3.1/3.2) 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 |
|---|---|
| Flange Types | Weld Neck, Blind, Slip-On, Socket Weld, Threaded, Lap Joint, RTJ, Orifice, Spectacle Blind, Spade, Spacer |
| Materials | A105, A105N, A350 LF2, A694 F52–F80; A182 F304/L, F316/L, F321, F347, F5, F9, F11, F22, F91; Duplex S31803/S32205, Super Duplex S32750/S32760; Monel, Inconel, Hastelloy; Titanium |
| 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 75–900 (ASME B16.47); API 6A 2,000–20,000 psi |
| Face Types | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint), Male & Female |
| Standards Compliance | API 6A, API 6B, API 6BX, ASME B16.5, B16.47, B16.36, B16.48, ASTM A105, A182, A350, A694, NACE MR0175, EN 10204 3.1/3.2 |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | PMI testing, radiography, ultrasonic testing, hydrostatic testing, third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | NACE MR0175/ISO 15156 compliance, H2S service documentation, API monogram certification available on request |
Refinery flanges are critical for ensuring leak-proof connections, pressure containment, and safe operations in reactors, heat exchangers, columns, and process piping. Before finalizing refinery flanges for export to Africa, USA, Mexico, Oman, or Europe, our technical team recommends evaluating four key factors:
If you are unsure which refinery flanges best suit your application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable flange solution for your region.
We have exported refinery flanges to buyers across Africa, USA, Mexico, Oman, and Europe — building an export track record that reflects reliability, compliance, and on-time delivery.
Every refinery flange export shipment is accompanied by complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, Material Test Certificates (MTC to EN 10204 3.1/3.2), and third-party inspection reports on request.
Our exported refinery flanges comply with API 6A, API 6B, API 6BX, ASME B16.5, B16.47, B16.36, B16.48, ASTM A105, A182, A350, A694, and NACE MR0175 standards — ensuring that products meet the exact specifications of international refinery projects and clear customs without delays.
Refinery flanges are packed in fumigated wooden boxes, crates, or pallets with appropriate cushioning and protective coverings to prevent damage during sea or air freight.
We support a range of Incoterms — FOB, CIF, CFR, EXW, DAP — and coordinate with trusted freight partners for sea, air, and multimodal export shipments to major ports across Africa, USA, Mexico, Oman, and Europe based on buyer preference.
Our export support team assists international buyers with flange selection, material grade selection, documentation, customs coordination, shipping updates, and post-delivery follow-up — ensuring a smooth experience at every stage of refinery flange export.
Repsol Steel LLP exports refinery flanges to a wide range of process units across Africa, USA, Mexico, Oman, and Europe where leak-proof connections and reliable bolted joints are essential for safety and operational reliability.
Weld neck, slip-on, and blind flanges exported for preheat exchangers, columns, and process piping in crude distillation units.
RTJ and weld neck flanges exported for reactors, regenerators, and high-temperature process piping in FCC units.
RTJ flanges exported for high-pressure and high-temperature hydrogen service in hydrocrackers and hydrotreaters where hydrogen and H2S resistance is critical.
RTJ and alloy steel flanges exported for high-temperature and high-pressure service in delayed cokers and visbreaking units.
Weld neck and slip-on flanges exported for shell and tube, plate, and spiral heat exchangers in refinery service.
A105 and F11 flanges exported for steam lines, water systems, and utility piping throughout the refinery.
Refinery flanges exported 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 flange supplier for refinery projects for procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers across Africa, USA, Mexico, Oman, and Europe — ensuring your refinery flanges arrive on time, in specification, and ready for installation.
Africa: Refinery, petrochemical, mining & industrial projects
USA: Gulf Coast, refinery, petrochemical & power generation supply
Mexico: Refinery, petrochemical & power industry supply
Oman: Refinery, petrochemical, upstream & gas processing projects
Europe: Refinery, petrochemical, chemical & power industry supply
All refinery flanges are exported with material certificates, dimensional inspection reports, PMI testing, Certificate of Origin, and third-party certification as required by project specifications.
We supply a comprehensive range of refinery flanges including ASME B16.5 flanges in Classes 150–2500, ASME B16.47 large diameter flanges, API 6A wellhead flanges, and specialized flanges (weld neck, blind, slip-on, socket weld, RTJ, orifice, spectacle blind) — in carbon steel, stainless steel, alloy steel, duplex, and exotic alloys.
We export refinery flanges to Africa, USA, Mexico, Oman, and Europe — covering refinery, petrochemical, chemical processing, power generation, and industrial projects.
We provide complete export documentation — Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, and Material Test Certificates (MTC to EN 10204 3.1/3.2). PMI testing and third-party inspection reports (SGS, BV, TUV, Intertek) are available on request.
We support FOB, CIF, CFR, EXW, and DAP Incoterms. We coordinate with trusted freight partners for sea, air, and multimodal export shipments to Africa, USA, Mexico, Oman, and Europe based on buyer preference and destination port requirements.
Yes. We offer custom sizes, materials, flange configurations, face types, and pressure classes based on drawings, piping specifications, and project requirements — with quick turnaround times for export orders.
Send us your refinery flange specifications, material requirements, or drawings. Our export team will respond within 24 hours with a tailored quotation and export documentation details for Africa, USA, Mexico, Oman, or Europe.
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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