Repsol Steel LLP is a trusted supplier of industrial gaskets and flanges for refinery applications, supplying a comprehensive range of sealing and bolted connection products to refinery operators, EPC contractors, and procurement teams across Africa, USA, Mexico, Oman, and Europe. Our refinery product range includes spiral wound gaskets, RTJ gaskets, sheet gaskets, weld neck flanges, blind flanges, slip-on flanges, lap joint flanges, and socket weld flanges — manufactured in carbon steel, stainless steel, alloy steel, duplex, and exotic alloys in accordance with ASME B16.20, ASME B16.21, ASME B16.5, ASME B16.47, ASTM A105, A182, and A193. Every shipment is supplied with full documentation, EN 10204 3.1 certification, and export-grade packaging suited to refinery service conditions.
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 crude distillation units, catalytic cracking units, hydroprocessing units, coker units, and associated refinery infrastructure. Our refinery gasket and flange supply operations are structured to meet the documentation, packaging, and compliance requirements of international refinery procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE MR0175 compliance, ASME B16.20/B16.5 compliance, PMI testing, Certificate of Origin, and third-party certification where required.
Whether you require spiral wound gaskets for a crude distillation unit in Oman, RTJ gaskets for a hydrocracker in Mexico, weld neck flanges for a coker unit in Europe, alloy steel flanges for a hydroprocessing unit in Africa, or blind flanges for a refinery shutdown in the USA — Repsol Steel LLP supplies the right refinery gasket and flange solution, on time, with complete export documentation.
A complete refinery gasket and flange supply portfolio covering spiral wound, RTJ, sheet gaskets, and weld neck, blind, slip-on, lap joint, and socket weld flanges in carbon steel, stainless steel, alloy steel, and duplex — engineered for leak-proof sealing and reliable bolted connections in refinery service.
Spiral wound gaskets supplied for refinery flanged connections in crude distillation, catalytic cracking, hydroprocessing, and coker units. Available with SS316 / SS304 winding and CS or SS outer rings per ASME B16.20.
Winding: SS316, SS304, SS321
Filler: Graphite, PTFE, Ceramic
Compliance: ASME B16.20
Ring Type Joint gaskets supplied for critical high-pressure refinery service, including hydrocrackers, hydrotreaters, and high-pressure separators. Metal-to-metal seal in machined grooves.
Styles: R, RX, BX
Materials: Soft Iron, SS316, F5, Alloy 825
Compliance: ASME B16.20, API 6A
Weld neck flanges supplied for high-pressure and high-temperature refinery service with superior stress distribution. Used in crude distillation, catalytic cracking, and hydroprocessing units.
Grades: A105, A182 F316, F11, F22, F91
Compliance: ASME B16.5, B16.47
Classes: 150 to 2500
Blind flanges supplied for isolation in refinery piping, equipment openings, and manways. Essential for maintenance, shutdown, and turnaround activities in refinery service.
Grades: A105, A182 F316, F11, F22, F91
Compliance: ASME B16.5, B16.47
Face: RF, FF, RTJ
Slip-on flanges supplied for low and moderate-pressure refinery utility piping, and socket weld flanges for small-bore high-pressure refinery piping. Both comply with ASME B16.5.
Grades: A105, A182 F316
Compliance: ASME B16.5
Classes: 150 to 2500
Sheet gaskets supplied for low and moderate-pressure refinery connections, plus custom-manufactured gaskets and flanges per refinery drawings and project specifications.
Materials: CNAF, PTFE, Graphite
Compliance: ASME B16.21, Custom
Size Range: ½" to 60"
Industrial gaskets and flanges for refinery applications are supplied in different materials and grades to suit specific pressure, temperature, and media conditions across Africa, USA, Mexico, Oman, and Europe. We supply refinery gaskets and flanges in the following materials and grades:
All refinery gaskets and flanges we supply 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 refinery project specifications. PMI testing is available on request.
| Parameter | Specification |
|---|---|
| Gasket Types | Spiral Wound, RTJ (Ring Joint), Sheet, Kammprofile, Double-Jacketed, Non-Metallic |
| Flange Types | Weld Neck, Blind, Slip-On, Socket Weld, Threaded, Lap Joint, RTJ, Orifice, Spectacle Blind |
| Materials | A105, A105N, A350 LF2; A182 F304/L, F316/L, F321, F5, F9, F11, F22, F91; Duplex S31803/S32205, Super Duplex S32750/S32760; PTFE, Graphite, CNAF; 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 75–900 (ASME B16.47); API 6A 2,000–20,000 psi |
| Standards Compliance | ASME B16.20, B16.21, B16.5, B16.47, API 6A, ASTM A105, A182, A350, NACE MR0175, EN 10204 3.1/3.2 |
| Refinery Service Conditions | High-temperature, high-pressure, hydrogen service, H2S service, sour service, and corrosive media |
| 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, hydrogen service certification available on request |
Refinery gaskets and flanges are critical for ensuring leak-proof connections, pressure containment, and safe operations in crude distillation, catalytic cracking, hydroprocessing, and coker units across Africa, USA, Mexico, Oman, and Europe. Before finalizing refinery gaskets and flanges, our technical team recommends evaluating four key factors:
If you are unsure which refinery gaskets and flanges best suit your application, our technical team is available to review your refinery drawings, process data, and project specifications — and recommend the most suitable refinery gasket and flange solution.
We have supplied refinery gaskets and flanges to buyers across Africa, the USA, Mexico, Oman, and Europe — building a supply track record that reflects reliability, compliance, and on-time delivery for crude distillation, catalytic cracking, hydroprocessing, and coker units.
Every refinery gasket and 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 3.1/3.2), and third-party inspection reports on request.
Our refinery gaskets and flanges comply with ASME B16.20, B16.21, B16.5, B16.47, API 6A, ASTM A105, A182, A350, and NACE MR0175 standards — ensuring that products meet the exact specifications of international refinery projects.
Refinery gaskets and flanges are packed in heavy-duty wooden boxes, crates, or pallets with appropriate cushioning and protective coverings designed for long-distance sea, air, and road transport to Africa, USA, Mexico, Oman, and Europe.
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 refinery buyers with gasket and flange selection, material grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of refinery gasket and flange procurement.
Repsol Steel LLP supplies refinery gaskets and flanges to a wide range of refinery process units across Africa, USA, Mexico, Oman, and Europe where leak-proof connections, pressure containment, and reliable sealing are essential for refinery safety and operational reliability.
A105 and alloy steel flanges with spiral wound gaskets supplied for crude distillation units, atmospheric towers, vacuum towers, and associated piping — operating at high temperature and moderate pressure.
Alloy steel flanges (F11, F22) with spiral wound gaskets supplied for fluid catalytic cracking units, regenerators, and fractionators — operating at high temperature and moderate-to-high pressure.
F22 and F91 alloy steel flanges with RTJ gaskets supplied for hydrocrackers, hydrotreaters, and hydrogen service units — operating at high pressure and high temperature with hydrogen.
Alloy steel flanges with high-temperature spiral wound gaskets supplied for delayed coker units, coke drums, and associated piping — operating at high temperature and severe service conditions.
Carbon steel and stainless steel gaskets and flanges supplied for refinery utility systems, tank farms, and offsite piping — including water, steam, air, and fuel systems.
Refinery gaskets and flanges supplied in bulk for turnaround and maintenance projects — with quick turnaround times and documentation support to minimize downtime.
Repsol Steel LLP is recognized as a reliable supplier of industrial gaskets and flanges for refinery applications in Africa, the USA, Mexico, Oman, and Europe. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to refinery buyers worldwide — ensuring your gaskets and flanges arrive on time, in specification, and ready for installation.
Africa: Refinery, petrochemical & crude processing projects
USA: Gulf Coast, Midwest & West Coast refinery supply
Mexico: Refinery, petrochemical & crude processing projects
Oman: Refinery, petrochemical & gas processing projects
Europe: Refinery, petrochemical & chemical industry supply
All refinery gaskets and flanges are supplied with material certificates, dimensional inspection reports, PMI testing, Certificate of Origin, and third-party certification as required by refinery project specifications.
Yes. We are a leading supplier of industrial gaskets and flanges for refinery applications serving buyers across Africa, the USA, Mexico, Oman, and Europe — supplying spiral wound gaskets, RTJ gaskets, sheet gaskets, weld neck flanges, blind flanges, slip-on flanges, and socket weld flanges in A105, A182, F11, F22, F91, SS316, and duplex materials.
Hydroprocessing units, including hydrocrackers and hydrotreaters, require alloy steel flanges that can withstand high pressure, high temperature, and hydrogen service. F22 (2¼ Cr – 1 Mo) and F91 (9 Cr – 1 Mo – V) flanges are commonly used, typically with RTJ gaskets for metal-to-metal sealing. NACE MR0175 compliance is required for wet H2S service, and hydrogen service documentation may be required for critical units.
We provide 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. NACE MR0175 compliance documentation and H2S service documentation are available for refinery projects requiring these certifications.
We support FOB, CIF, CFR, EXW, and DAP Incoterms. We 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.
Yes. We supply refinery gaskets and flanges in bulk quantities for turnaround, shutdown, and maintenance projects. Custom sizes, materials, coatings, and special configurations are available based on refinery drawings, piping specifications, and bill of materials (BOM) — with expedited turnaround times for urgent refinery projects.
Send us your refinery gasket and flange specifications, material requirements, 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.
Repsol Steels LLP Team Is Here to Help
Looking for reliable pipes, fittings, flanges, valves or other industrial piping products? Share your requirement and our team will help you find the right product, material and specification.