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FLANGE SUPPLIER IN INDIA

Leading Flange Supplier in India — Exporting to USA, Europe, Africa, Mexico & Oman

Repsol Steel LLP is a leading flange supplier in India, exporting high-integrity pipe flanges to buyers across the USA, Europe, Africa, Mexico, and Oman. From our manufacturing base in Mumbai, India, we supply a comprehensive range of flanges — including weld neck, slip-on, blind, lap joint, socket weld, and threaded flanges — in stainless steel, carbon steel, alloy steel, duplex, and exotic alloys for Oil & Gas, petrochemical, refinery, power generation, and industrial piping applications.

With over 25 years of combined industry experience and a proven export network, we serve EPC contractors, procurement teams, maintenance engineers, and fabrication units worldwide. Every flange we supply from India complies with ASME B16.5, ASME B16.47, ASTM A105, ASTM A182, ASTM A350, and DIN standards, with full material traceability, dimensional inspection reports, and documentation that meets the requirements of projects in the USA, Europe, Africa, Mexico, and Oman.

Whether you require standard SS316 weld neck flanges for a petrochemical plant in Europe, A105 slip-on flanges for a refinery in the USA, or A182 F11 blind flanges for a high-temperature power plant in Africa or Oman — Repsol Steel LLP, as a flange supplier in India, delivers the right flange solution, on time, with complete export documentation.

Flanges We Supply from India

Flanges We Supply Worldwide from India

A complete flange portfolio supplied from India covering weld neck, slip-on, blind, lap joint, socket weld, and threaded flanges — engineered for high-pressure and high-temperature piping systems across global markets.

Weld Neck Flanges

Weld neck flanges supplied from India 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

Slip-on flanges supplied from India 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

Blind flanges supplied from India 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

Lap joint flanges supplied from India 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

Socket weld flanges supplied from India 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 & Custom Flanges

Threaded flanges (NPT/BSP) supplied from India for utility piping, plus custom-manufactured flanges in non-standard sizes, materials, and configurations per project specifications.

Compliance: ASME B16.5, DIN
Thread Types: NPT, BSP, BSPT
Size Range: ½" to 24"

Materials & Grades

Flange Materials & Grades We Supply from India

Industrial flanges are supplied from India 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 from India in the following materials and grades:

  1. Stainless Steel Flanges (SS304, SS316, SS321) — Corrosion-resistant flanges for chemical, petrochemical, and general industrial service per ASTM A182. SS316 preferred for chloride and marine environments.
  2. Carbon Steel Flanges (ASTM A105) — Standard carbon steel flanges for general piping applications per ASTM A105. Used in utilities, process piping, and general industry.
  3. Alloy Steel Flanges (ASTM A182 F11, F22, F91) — High-strength alloy steel flanges for high-pressure and high-temperature service in power plants and refineries.
  4. Low-Temperature Flanges (ASTM A350 LF2) — Carbon steel flanges for low-temperature and cryogenic service down to -46°C.
  5. Duplex & Super Duplex Flanges (ASTM A182 F51, F53, F55) — High-strength flanges for highly corrosive and high-pressure service in subsea and offshore applications.
  6. Exotic Alloy Flanges (Monel, Inconel, Hastelloy, Nickel 200) — For highly corrosive, high-temperature, or specialty applications where standard materials are not suitable.

All flanges we supply from India are accompanied by Material Test Certificates (MTC) confirming the exact grade, mechanical properties, and heat number — ensuring full traceability and compliance with international project specifications.

Technical Specifications

Flange Specifications & Selection Guide

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

How to Select the Right Flange

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:

  1. Flange Type — Weld neck for high-pressure and high-temperature service. Slip-on for low-pressure and moderate service. Blind for closing openings. Lap joint for frequent dismantling. Socket weld for small-bore high-pressure piping. Threaded for utility piping.
  2. Material Grade — SS316 for corrosive service. A105 for general carbon steel piping. F11, F22, F91 for high-temperature service. LF2 for low-temperature service. Duplex for subsea and offshore. Exotic alloys for specialty applications.
  3. Pressure Class — Class 150 for low-pressure service. Class 300 to 600 for moderate service. Class 900 to 2500 for high-pressure service. Confirm pressure class matches the connected pipe schedule.
  4. Face Type — RF (Raised Face) for standard applications. FF (Flat Face) for low-pressure and cast iron flanges. RTJ (Ring Type Joint) for high-pressure and high-temperature service.

If you are unsure which 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 flange solution.

Why Choose Us

Why Global Buyers Choose Repsol Steel as Their Flange Supplier in India

01. Specialist Flange Supplier in India

We specialize in flange supply from India — offering weld neck, slip-on, blind, lap joint, socket weld, threaded, orifice, and long weld neck flanges in SS, CS, alloy steel, duplex, and exotic alloys. All flanges are manufactured to ASME, ASTM, and DIN standards.

02. Full Range of Sizes & Pressure Classes from India

We supply flanges from India from ½" to 60" as standard, with Class 150 to 2500 pressure ratings per ASME B16.5 and Class 75 to 900 per ASME B16.47. Larger sizes and custom configurations are available on request.

03. Material Traceability & Documentation

Every flange batch we supply from India is backed by Material Test Certificates (MTC) and dimensional inspection reports, and can be supplied with NACE compliance documentation, hardness test reports, and third-party certification on request.

04. Custom Flange Supply from India

Non-standard sizes, pressure classes, materials, face types, and flange configurations are supplied from India according to drawings, piping specifications, and project requirements — with quick turnaround times.

05. Export Experience to USA, Europe, Africa, Mexico & Oman

We supply flanges from India to clients in the USA, Europe, Africa, Mexico, and Oman — with packaging, documentation, and compliance structured for international procurement.

06. Technical Support & After-Sales Service

Our experienced technical team assists with flange selection, material and pressure class recommendations, and installation guidance. Post-supply support includes documentation follow-up and replacement coordination.

Applications

Flange Applications Across Industries

Repsol Steel LLP supplies flanges from India to a wide range of process industries across USA, Europe, Africa, Mexico, and Oman — where reliable bolted connections are essential.

Oil & Gas Industry

Flanges supplied from India for wellhead equipment, pipeline systems, process piping, and high-pressure transfer lines in upstream, midstream, and downstream operations.

Petrochemical Industry

Flanges supplied from India for reactors, heat exchangers, process piping, and storage systems handling hydrocarbons at high pressures and temperatures.

Oil Refinery

F11, F22, and F91 flanges supplied from India for high-temperature and high-pressure process piping in crude distillation, catalytic cracking, and hydroprocessing units.

Power Generation

High-temperature F11, F22, and F91 flanges supplied from India for boilers, steam systems, turbine connections, and high-pressure auxiliary piping in thermal and nuclear power plants.

Chemical Processing

SS316 and SS904L flanges supplied from India for aggressive chemical and corrosive media applications in reactors, storage tanks, and process equipment.

Subsea & Offshore

Duplex and Super Duplex flanges supplied from India for subsea wellhead equipment, manifolds, and flowlines per API 17D — with superior resistance to seawater and chloride stress corrosion.

Global Export Markets

Flange Supplier in India — Exporting to USA, Europe, Africa, Mexico & Oman

Repsol Steel LLP is recognized as a reliable flange supplier in India for international procurement teams, EPC contractors, and maintenance projects. Our export documentation, packaging, and standard compliance are structured for smooth cross-border supply from India to buyers in the USA, Europe, Africa, Mexico, and Oman — ensuring your flanges arrive on time, in specification, and ready for installation.

Key Export Markets

USA: Flange supply for Oil & Gas, petrochemical & power projects

Europe: Flanges for chemical, refinery & process industries

Africa: Flanges for refinery, petrochemical & power projects

Mexico: Flange supply for chemical plants & refinery operations

Oman: Flanges for Oil & Gas, petrochemical & power projects

All flanges are supplied from India with material certificates, dimensional inspection reports, and third-party certification as required by project specifications.

FAQ

Frequently Asked Questions

What makes Repsol Steel a leading flange supplier in India?

Repsol Steel LLP combines 25+ years of industry experience, a strong manufacturing base in Mumbai, India, compliance with ASME, ASTM, and DIN standards, and a proven export track record to the USA, Europe, Africa, Mexico, and Oman.

What types of flanges do you supply from India?

We supply weld neck, slip-on, blind, lap joint, socket weld, threaded, orifice, and long weld neck flanges from India — in various grades, sizes, pressure classes, and face types per project specifications.

What grades of flanges do you supply from India?

We supply flanges from India 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.

Which countries do you export flanges to from India?

We export flanges from India primarily to the USA, Europe, Africa, Mexico, and Oman, serving Oil & Gas, petrochemical, refinery, power, and chemical processing projects in these regions.

Can flanges be custom-manufactured in India?

Yes. We offer custom sizes, pressure classes, materials, face types, and flange configurations manufactured in India based on drawings, piping specifications, and project requirements — with quick turnaround times for export orders.

Ready to Source Flanges from a Trusted Supplier in India?

Send us your flange specifications, pressure class requirements, or drawings. Our export team will respond within 24 hours with a tailored quotation.

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