Leading Distributor of Premium Quality Flanges for Bangladesh Industries
Werner Flanges stands as Bangladesh's trusted flanges distributor, delivering premium-quality forged flanges that meet the demanding requirements of the nation's rapidly expanding oil and gas, petrochemical, power generation, and infrastructure sectors. With over two decades of manufacturing excellence and established relationships with Bangladeshi industrial clients, we supply carbon steel, stainless steel, and alloy flanges to major industrial hubs including Dhaka, Chittagong, Khulna, Sylhet, and the emerging Payra Port region, supporting critical projects across Bangladesh's energy development, industrial modernization, and Vision 2021 infrastructure initiatives.
Our flange portfolio encompasses ASTM A105 carbon steel for high-pressure, high-temperature applications, ASTM A350 LF2 for low-temperature service, and 304/316 stainless steel for corrosive environments prevalent in Bangladesh's chemical processing and marine applications. Every flange undergoes rigorous quality testing including dimensional inspection, mechanical testing, and non-destructive examination to ensure compliance with ASME B16.5, ASME B16.47, MSS SP-44 standards, and client-specific requirements.
As a direct manufacturer and distributor, Werner Flanges eliminates intermediary costs, offering competitive pricing without compromising on quality—particularly advantageous for Bangladesh’s cost-sensitive markets while maintaining international standards. Our strategically managed inventory and efficient logistics network ensure delivery to Chittagong Port, Dhaka container facilities, and inland locations within 15-20 days via sea freight, with expedited options available for urgent requirements.
Whether you’re sourcing flanges for Bangladesh’s emerging offshore oil and gas exploration, midstream pipeline infrastructure, downstream refinery operations at Bangladesh Petroleum Corporation (BPC) facilities, power generation supporting the nation’s growing electricity demand, or petrochemical processing at Chittagong and Khulna industrial zones, Werner Flanges delivers the reliability, technical expertise, and supply chain efficiency that Bangladesh’s industries demand.
Werner Flanges is a leading flanges supplier and manufacturer in Bangladesh, providing carbon steel flanges, stainless steel flanges, alloy flanges, weld neck flanges, slip-on flanges, blind flanges, socket weld flanges, threaded flanges, and custom forged flanges for industrial projects. Our flanges are designed to meet ASME B16.5, ASME B16.47, MSS SP-44, and API standards, serving Bangladesh’s oil and gas sector, petrochemical plants, refineries, power generation facilities, water treatment projects, and infrastructure development in Dhaka, Chittagong, Khulna, Sylhet, and Payra Port. As a trusted flanges exporter and distributor in Bangladesh, Werner Flanges ensures certified, inspection-ready products with full material traceability and on-time delivery to support high-pressure, corrosive, and critical industrial applications.
Specifications
| Specification | Details |
|---|---|
| Pressure Rating | Class 150 to Class 2500 |
| Flange Type | Plate Flange |
| Facing Type | Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ) |
| Size Range | ½” to 24” (DN 15 to DN 600) |
| Temperature Range | -29°C to +593°C (Depending on Material & Pressure Class) |
| Applications | Oil & Gas, Petrochemical, Power Generation, Water Treatment, Marine & Industrial Sectors |
| Manufacturing Process | Forged / Machined |
| Certification | EN 10204 3.1 / 3.2, IBR, NACE MR0175 / ISO 15156 (as applicable) |
Matel and Grade
| Type of Materials | Common Specifications / Customization Available on Request |
|---|---|
| Duplex Steel | ASTM/ASME A182 F51, F60, F61, UNS S31803, UNS S32205 |
| Super Duplex Steel | ASTM/ASME A182 F53, F55, UNS S32750, UNS S32760, F44 (6Mo) |
| Stainless Steel | ASTM/ASME A182 F304, F304L, F316, F316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM A105, A350 LF1, LF2, LF3, A266 Class 1/2, A694 F42 to F70, A765 Gr. II |
| Alloy Steel | ASTM/ASME A182 F1, F5, F9, F11, F12, F22 |
| Non-Ferrous Alloys | Titanium, Brass, Admiralty Brass, Copper Nickel, Nickel Alloys, Hastelloy |
| Titanium | ASTM/ASME B381 Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM B151 UNS C70600 (Cu-Ni 90/10), C71500 (Cu-Ni 70/30) |
| Brass, Al-Brass | ASTM B152 UNS C26000, C27200, C28000; ASTM B111 for Al-Brass |
| Nickel Alloys | ASTM B160, B161, B564 – UNS N02200, N02201, N04400, N08800, N08825, N06600, N06601, N06625, Monel K500 |
| Alloy 20 | ASTM B462 UNS N08020 |
| Hastelloy | ASTM B564 UNS N10276 (Hastelloy C276), N06022 (Hastelloy C22) |
| Cladded Materials | ASTM B898, B265, B424 or custom explosion/clad bonding using dissimilar metals |
| Titanium-Steel, Nickel-Steel, Titanium-Copper, Stainless Steel-Carbon Steel, Bimetallic/Trimetallic Combinations |
Types of Flanges
| Weld Neck Flanges Supplier | Raised Face Weld Neck Flanges | Flat Face Weld Neck Flanges | RTJ Weld Neck Flanges | Long Weld Neck Flanges |
| High Pressure Weld Neck Flanges | Forged Weld Neck Flanges | Reducing Weld Neck Flanges | Industrial Weld Neck Flanges | Custom Weld Neck Flanges |
Industries and Applications We Supply
| Industry | Applications in Bangladesh |
|---|---|
Oil & Gas Industry |
Bangladesh’s onshore and offshore gas fields, including major fields in the Bay of Bengal and Sylhet region, require high-integrity weld neck flanges for reliable performance in production and transportation systems.
Upstream Applications: Weld neck flanges are used in wellhead christmas trees, separators, production manifolds, flowlines, and high-pressure injection pipelines. Materials comply with NACE MR0175 for sour gas handling and high-pressure conditions. Midstream Gas Transmission: Bangladesh’s national gas transmission network uses weld neck flanges at pipeline tie-ins, compressor stations, city gate stations, and distribution terminals serving industrial, power, and residential sectors. LNG Infrastructure: LNG receiving terminals and regasification facilities require cryogenic weld neck flanges for unloading arms, storage tanks, vaporization lines, and send-out pipelines. Stainless steel and ASTM A350 LF2 materials are used for low-temperature service. |
Power Generation |
Bangladesh’s gas-fired and combined cycle power plants, along with growing renewable energy projects, rely on weld neck flanges for high-pressure and high-temperature piping systems.
Gas-Fired Power Plants: Applications include fuel gas supply systems, boiler and HRSG piping, turbine bypass lines, condensate circuits, and superheater/reheater piping, often using alloy steels like F22 and F91. Renewable & Biomass Facilities: Biogas and biomass plants use stainless steel weld neck flanges in feedstock handling, steam systems, and utility piping, supporting Bangladesh’s renewable energy expansion. |
Petrochemical & Refining |
Bangladesh’s petrochemical and fertilizer complexes require corrosion-resistant weld neck flanges for continuous processing operations.
Petrochemical Processing: Flanges are used in ammonia, urea, and other chemical production units, cooling water networks, and high-pressure steam headers using stainless and alloy steel materials. Refinery Applications: Refinery and processing units deploy weld neck flanges in distillation, hydroprocessing, and chemical feed systems where leak-tight and thermally stable connections are critical. Specialty Chemical Production: Advanced chemical and fertilizer facilities increasingly use duplex, super duplex, and high-alloy weld neck flanges to handle corrosive media safely. |
Water & Industrial Utilities |
Bangladesh’s industrial zones, urban water infrastructure, and large manufacturing facilities rely on weld neck flanges for utility and water systems.
Water Treatment & Desalination: Stainless steel weld neck flanges are used in water intake lines, treatment plants, reverse osmosis systems, and cooling circuits operating in corrosive conditions. Industrial Utility Systems: Applications include compressed air, process water piping, cooling networks, and utility lines for textile, chemical, and heavy industries. |
Frequently Asked Questions (FAQs)
- Q1: What delivery times can I expect for standard flange sizes to Dhaka?
- Standard sizes (1/2″ through 24″ NPS, Class 150-600#) from our inventory typically deliver within 16-19 days to Dhaka (15-18 days to Chittagong plus 1-2 days inland trucking). For urgent requirements, air freight via Dhaka airport reduces delivery to 4-5 days. Custom sizes and higher pressure classes may require 4-6 weeks manufacturing plus shipping.
- Q2: Do you have experience with Bangladesh Petroleum Corporation specifications?
- Yes, we have supplied flanges for BPC refinery operations and infrastructure projects. Our products conform to ASME B16.5 and B16.47 standards accepted by BPC. Third-party inspection by agencies approved by BPC (TÜV, Bureau Veritas, SGS) can be coordinated before shipment if required.
- Q3: Can you supply stainless steel flanges for chemical processing facilities?
- Absolutely. We manufacture 304 and 316 stainless steel flanges per ASME B16.5 standards. 304 stainless provides general corrosion resistance, while 316 offers enhanced resistance to aggressive chemicals. Full material certification and testing documentation are provided with each shipment.
- Q4: Can you provide carbon steel flanges for low-temperature applications in Bangladesh?
- Yes, low-temperature carbon steel flanges (ASTM A350 LF2) suitable for cryogenic and LNG applications can be supplied. Temperature ranges and mechanical properties are fully documented to meet project requirements.
- Q5: Do you provide documentation for project acceptance?
- Yes, we provide complete Material Test Certificates, dimensional inspection reports, PMI results, NDT reports, and third-party inspection certificates. Documentation can be provided in English, and Bengali translations are available on request for local project approval.
- Q6: Can you manufacture custom flanges for non-standard requirements?
- Yes, we can produce flanges with non-standard dimensions, special bore sizes, exotic material grades, unique facing types, or custom pressure ratings. Our engineering team collaborates with project engineers to meet specific requirements.
- Q7: What quality assurance processes are followed before shipment to Bangladesh?
- Every flange undergoes raw material verification, dimensional inspection, mechanical testing (tensile, impact, hardness), and non-destructive testing where required. Third-party inspection by recognized agencies can be arranged to witness testing and verify compliance before shipment.
