Repsol Steel LLP is a trusted industrial flange stockist, holding ready stock of a comprehensive range of flanges for industrial buyers, EPC contractors, and procurement teams worldwide. Our stock includes ASME B16.5 flanges, ASME B16.47 large diameter flanges, EN 1092-1 flanges, API 6A wellhead flanges, and RTJ, weld neck, blind, slip-on, socket weld, and threaded flanges — held in carbon steel, stainless steel, alloy steel, duplex, and exotic alloys. As a stockist, we can supply standard sizes immediately from stock — with full documentation, EN 10204 3.1 certification, and international packaging standards suited to urgent project requirements.
With over 25 years of combined industry experience and a proven export network, we serve clients across worldwide markets — including Oil & Gas, petrochemical, refinery, power generation, chemical processing, marine, pharmaceutical, and food processing facilities. Our stockist operations are structured to meet the documentation, packaging, and compliance requirements of international industrial procurement — including Material Test Certificates (MTC), dimensional inspection reports, NACE MR0175 compliance, ASME B16.5/B16.47 compliance, EN 1092-1 compliance, PMI testing, Certificate of Origin, and third-party certification where required.
Whether you require ASME B16.5 weld neck flanges for a refinery shutdown, RTJ blind flanges for a high-pressure gas separator turnaround, alloy steel flanges for a coker maintenance, ASME B16.47 large diameter flanges for a pipeline repair, or duplex flanges for a chemical plant urgent requirement — Repsol Steel LLP supplies the right flange from stock, on time, with complete documentation and export support.
A complete industrial flange stockist portfolio covering ASME B16.5, ASME B16.47, EN 1092-1, and API 6A flanges in weld neck, blind, slip-on, socket weld, RTJ, and threaded types — held ready for immediate dispatch to meet urgent project and maintenance requirements.
Standard ASME B16.5 flanges held in stock in Classes 150 through 2500. The most widely used flange standard for industrial piping systems, available in weld neck, slip-on, blind, lap joint, socket weld, and threaded types.
Types: WN, SO, BL, LJ, SW, TH
Classes: 150, 300, 600, 900, 1500, 2500
Facing: RF, FF, RTJ
Standard EN 1092-1 flanges held in stock in PN6, PN10, PN16, PN25, and PN40. Widely used for European-designed equipment and imported systems in industrial facilities worldwide.
Types: Type 11 (WN), Type 01 (Plate), Type 05 (Blind), Type 12 (Hubbed SO)
Classes: PN6, PN10, PN16, PN25, PN40
Facing: RF, FF
Weld neck flanges held in stock 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, EN 1092-1
Size Range: ½" to 24"
RTJ flanges held in stock 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 12"
Large diameter flanges (26"–60") held in limited stock in Series A and B for pipelines, storage tanks, and large-bore piping. Larger sizes available on request.
Series: A (MSS SP-44), B (API 605)
Classes: 75, 150, 300, 400, 600, 900
Facing: RF, RTJ
Orifice flanges, spectacle blinds, spades, spacers, and custom-manufactured flanges held in limited stock or available on request per drawings and project specifications.
Types: Orifice, Spectacle, Spade, Spacer
Compliance: ASME B16.36, B16.48, Custom
Size Range: ½" to 60"
Flanges are held in stock in different materials and grades to suit specific pressure, temperature, and media conditions. We hold the following materials and grades in stock for immediate supply:
All flanges we supply from stock 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; A182 F304/L, F316/L, F321, F5, F9, F11, F22, F91; Duplex S31803/S32205, Super Duplex S32750/S32760; Monel, Inconel, Hastelloy |
| Stock Size Range | ½" to 24" standard sizes held in stock (ASME B16.5); DN15 to DN600 (EN 1092-1); larger sizes (26"–60") available on request |
| Pressure Classes | PN6, PN10, PN16, PN25, PN40 (EN 1092-1); Class 150, 300, 600, 900, 1500, 2500 (ASME B16.5); Class 75–900 (ASME B16.47) |
| Face Types | RF (Raised Face), FF (Flat Face), RTJ (Ring Type Joint) |
| Standards Compliance | EN 1092-1, API 6A, ASME B16.5, B16.47, B16.36, B16.48, ASTM A105, A182, A350, 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 available on request |
Flanges are critical for ensuring leak-proof connections, pressure containment, and safe operations in refineries, petrochemical, chemical, and power plants. When urgent requirements arise, a stockist can supply immediately — avoiding costly downtime. Before finalizing flanges from stock, our technical team recommends evaluating four key factors:
If you are unsure which flanges from stock 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 immediate supply.
We hold ready stock of standard sizes in ASME B16.5, EN 1092-1, and ASME B16.47 flanges — enabling immediate supply for urgent project and maintenance requirements, reducing lead times and avoiding costly downtime.
Every flange shipment from stock 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 stocked flanges comply with EN 1092-1, ASME B16.5, B16.47, B16.36, B16.48, API 6A, ASTM A105, A182, A350, and NACE MR0175 standards — ensuring that products meet the exact specifications of international refinery, petrochemical, and industrial projects.
Flanges are packed in fumigated wooden boxes, crates, or pallets with appropriate cushioning and protective coverings to prevent damage during sea or air freight — protecting product integrity from our warehouse to your 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 worldwide based on buyer preference.
Our support team assists buyers with stock availability checks, material grade selection, documentation, shipping coordination, and post-delivery follow-up — ensuring a smooth experience at every stage of flange procurement from stock.
Repsol Steel LLP supplies flanges from stock to a wide range of process industries where quick turnaround, leak-proof connections, and reliable bolted joints are essential for safety and operational reliability.
ASME B16.5 and B16.47 flanges supplied from stock for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines — often required urgently during maintenance and shutdowns.
Stainless steel and duplex flanges supplied from stock for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.
Alloy steel (F11, F22, F91) and stainless steel flanges supplied from stock for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units — with quick dispatch for turnarounds.
High-temperature alloy steel and stainless steel flanges supplied from stock for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and combined-cycle power plants.
Stainless steel, duplex, and exotic alloy flanges supplied from stock for aggressive chemical and corrosive media applications in chemical plants, storage tanks, and process equipment.
Duplex and super duplex flanges supplied from stock for offshore platforms, subsea systems, shipbuilding, and marine piping where chloride resistance is essential.
Flanges supplied from stock to fabrication units and EPC contractors for piping spools, skids, modular systems, and industrial assemblies — reducing project lead times.
Repsol Steel LLP is recognized as a reliable industrial flange stockist for procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply to buyers worldwide — ensuring your flanges arrive on time, in specification, and ready for installation.
Europe: Refinery, petrochemical, chemical & power industry supply
Middle East: Refinery, petrochemical & gas processing projects
Southeast Asia: Refinery, petrochemical & marine projects
Americas: Oil & Gas, chemical & power generation supply
Africa: Refinery, mining & industrial piping applications
Oceania: EPC contractors & fabrication units
All flanges are supplied from stock with material certificates, dimensional inspection reports, PMI testing, Certificate of Origin, and third-party certification as required by project specifications.
We hold ready stock of ASME B16.5 flanges in Classes 150–2500, EN 1092-1 flanges in PN6–PN40, and selected ASME B16.47 large diameter flanges — in weld neck, slip-on, blind, socket weld, threaded, and RTJ types. Standard sizes (½"–24") are held in stock; larger sizes and special configurations can be manufactured on request.
Stock items are typically dispatched within 2–5 working days, subject to order confirmation and documentation. For urgent requirements, we can coordinate expedited shipping via air freight to reduce transit times. Please confirm availability with our export team at the time of enquiry.
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 and air export shipments to major ports worldwide based on buyer preference and destination port requirements.
Yes. For sizes, materials, or configurations not held in stock, we offer custom manufacturing of flanges based on drawings, piping specifications, and project requirements — with standard turnaround times for production and dispatch.
Send us your flange specifications, material requirements, or drawings. Our export team will confirm stock availability and 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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