Repsol Steel LLP is a trusted flange supplier for Oman, supplying a comprehensive range of pipe flanges to Omani industrial buyers, EPC contractors, and procurement teams. From weld neck, slip-on, and blind flanges to lap joint, socket weld, and threaded flanges — every product is supplied with full documentation, compliance certification, and international packaging standards suited to Omani project requirements.
With over 25 years of combined industry experience and a proven export network, we serve clients across Oman — including Oil & Gas, petrochemical, refinery, power generation, desalination, and chemical processing facilities in key industrial regions such as Muscat, Sohar, Duqm, Salalah, and Sur. Our supply operations are structured to meet the documentation, packaging, and compliance requirements of Omani industrial procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE compliance, and third-party certification where required.
Whether you require standard SS316 weld neck flanges for a petrochemical plant in Sohar, A105 slip-on flanges for a refinery in Duqm, or A182 F11 blind flanges for a high-temperature power plant in Muscat — Repsol Steel LLP delivers the right flange solution, on time, with complete export documentation.
A complete flange supply portfolio covering weld neck, slip-on, blind, lap joint, socket weld, and threaded flanges — engineered for high-pressure and high-temperature piping systems across Oman.
Weld neck flanges supplied to Oman with a long tapered hub that provides smooth stress distribution. Used in high-pressure and high-temperature piping systems where cyclic loading is a concern.
Compliance: ASME B16.5, B16.47
Face Types: RF, FF, RTJ
Size Range: ½" to 60"
Slip-on flanges supplied to Oman to slide over the pipe and be fillet welded at both ends. Cost-effective and easy to align, used in low-pressure and moderate-pressure piping systems.
Compliance: ASME B16.5, B16.47
Face Types: RF, FF
Size Range: ½" to 60"
Blind flanges supplied to Oman with no center hole, used to close off pipe ends, valves, and pressure vessel openings. Essential for isolation, inspection, and future expansion.
Compliance: ASME B16.5, B16.47
Face Types: RF, FF, RTJ
Size Range: ½" to 60"
Lap joint flanges supplied to Oman for use with stub ends in piping systems requiring frequent dismantling. The flange is free to rotate, allowing easy alignment of bolt holes.
Compliance: ASME B16.5
Face Types: RF, FF
Size Range: ½" to 24"
Socket weld flanges supplied to Oman for high-pressure and small-bore piping. The pipe is inserted into the socket and fillet welded, providing a strong, leak-proof joint.
Compliance: ASME B16.5
Face Types: RF, FF, RTJ
Size Range: ½" to 4"
Threaded flanges (NPT/BSP) supplied to Oman for utility piping, plus custom-manufactured flanges in non-standard sizes, materials, and configurations per Omani project specifications.
Compliance: ASME B16.5, DIN
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 24"
Industrial flanges are supplied to Oman in different materials and grades to suit specific pressure, temperature, and media conditions. The material grade determines the mechanical strength, corrosion resistance, and temperature capability of the flange. We supply flanges to Oman in the following materials and grades:
All flanges we supply to Oman are accompanied by Material Test Certificates (MTC) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with Omani project specifications.
| Parameter | Specification |
|---|---|
| Flange Types | Weld Neck, Slip-On, Blind, Lap Joint, Socket Weld, Threaded, Orifice, Long Weld Neck |
| Materials | Stainless Steel (SS304, SS316, SS321), Carbon Steel (A105), 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, 600, 900, 1500, 2500 (ASME B16.5); Class 75 to 900 (ASME B16.47) |
| Face Types | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Standards Compliance | ASME B16.5, ASME B16.47; ASTM A105, A182, A350; DIN, BS, EN 1092-1 |
| Export Documentation | Commercial Invoice, Packing List, Bill of Lading, Certificate of Origin, MTC (EN 10204 3.1) |
| Inspection Options | Third-party inspection (SGS, BV, TUV, Intertek) available on request |
| Additional Documentation | Hardness test reports, NACE compliance, H2S service documentation available on request |
Correct flange selection is critical to ensuring a leak-free piping system and long-term operational safety. The flange type, material grade, and pressure class must be matched to the operating pressure, temperature, and media. Our technical team recommends evaluating four key factors before finalizing a flange for Omani projects:
If you are unsure which flange specification best suits your Omani application, our technical team is available to review your piping drawings, process data, and project specifications — and recommend the most suitable flange solution.
We have supplied flanges to buyers across Oman — including projects in Muscat, Sohar, Duqm, Salalah, and Sur — building a supply track record that reflects reliability, compliance, and on-time delivery.
Every shipment to Oman 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 flanges supplied to Oman comply with ASME B16.5, ASME B16.47, ASTM A105, ASTM A182, ASTM A350, DIN, and EN 1092-1 standards — ensuring that products meet the exact specifications of Omani industrial projects.
Flanges are packed in durable, moisture-resistant packaging designed for long-distance sea, air, and road transport to Oman — 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 Omani ports (Sohar, Duqm, Salalah, Muscat) based on buyer preference.
Our support team assists Omani buyers with documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of procurement.
Repsol Steel LLP supplies flanges to a wide range of process industries across Oman, where reliable bolted connections are essential for safety and operational reliability.
Flanges supplied for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines in Omani upstream, midstream, and downstream operations.
Flanges supplied for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures across Omani petrochemical hubs (Sohar, Duqm).
F11, F22, and F91 flanges supplied for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units at Omani refineries.
High-temperature F11, F22, and F91 flanges supplied for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in Omani thermal and combined-cycle power plants.
SS316 and SS904L flanges supplied for process piping, high-pressure lines, and utility systems in Omani desalination and water treatment facilities.
SS316 and SS904L flanges supplied for aggressive chemical and corrosive media applications in Omani chemical plants, storage tanks, and process equipment.
Flanges supplied to Omani 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 Oman 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 Oman — ensuring your flanges arrive on time, in specification, and ready for installation.
Muscat: Oil & Gas, power & process industry supply
Sohar: Petrochemical, refinery & metals projects
Duqm: Refinery, petrochemical & SEZ industrial projects
Salalah: Oil & Gas, chemical & power generation supply
Sur: Refinery & industrial piping applications
Nationwide: EPC contractors & fabrication units across Oman
All flanges are supplied with material certificates, dimensional inspection reports, and third-party certification as required by Omani project specifications.
Yes. We supply flanges to buyers across Oman, serving Oil & Gas, petrochemical, refinery, power generation, desalination, and chemical processing projects in Muscat, Sohar, Duqm, Salalah, and Sur.
We supply weld neck, slip-on, blind, lap joint, socket weld, threaded, orifice, and long weld neck flanges in various grades, sizes, pressure classes, and face types per project specifications.
We supply flanges in ASTM A105 (carbon steel), ASTM A182 F304, F316, F321 (stainless steel), ASTM A182 F11, F22, F91 (alloy steel), ASTM A350 LF2 (low-temp carbon steel), and duplex grades F51, F53, F55.
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). Third-party inspection reports (SGS, BV, TUV, Intertek) are available on request.
Yes. We offer custom sizes, pressure classes, materials, face types, and flange configurations based on drawings, piping specifications, and Omani project requirements — with quick turnaround times.
Send us your flange specifications, pressure class 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.