Rizwan Flanges, based in Manama, Bahrain, has built a solid reputation as a reliable manufacturer and supplier of top-notch industrial flanges, with a special focus on Super Duplex Steel Lap Joint Flanges. These flanges are celebrated for their precision, durability, and outstanding performance, crafted to meet the tough demands of today’s industries. Rizwan Flanges utilizes cutting-edge production methods and strict quality controls to ensure their flanges excel in corrosion resistance, strength, and reliability. Catering to sectors such as oil and gas, petrochemical, marine, and chemical processing, the company provides safe, efficient, and long-lasting solutions, making Super Duplex Steel Lap Joint Flanges the go-to choice for critical piping connections.
Super Duplex Steel Lap Joint Flanges are crafted from a meticulously balanced alloy that includes chromium, nickel, molybdenum, and nitrogen. Typically, they contain 22-25% chromium, 5-7% nickel, 3-5% molybdenum, along with small amounts of nitrogen, which together offer remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. On the mechanical side, these flanges boast high tensile and yield strength, along with exceptional toughness and durability, even in extreme temperatures and pressures. Their unique blend of mechanical strength and corrosion resistance makes them perfect for demanding industrial applications that require dependable and long-lasting performance.
| Specification | ASTM A182 / ASME SA182 |
|---|---|
| Size Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
| Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS |
| Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Coating | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production Technique | Forged, Heat treated and machined |
| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Manufacturer of | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc. BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange B.S: BS4504 , BS3293, BS1560, BS10 AS 2129: Table D; Table E; Table H ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), MSS SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48 American standard (ANSI) German (DIN) British standard (BS) DIN: DIN 2527, DIN 2566, DIN 2573, DIN 2576, DIN 2641, DIN 2642, DIN 2655, DIN 2656, DIN 2627, DIN 2628, DIN 2629, DIN 2631, DIN 2632, DIN 2633, DIN 2634, DIN 2635, DIN 2636, DIN 2637, DIN 2638 ASTM A182 FS32950 Super Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Super Duplex Steel F53, F52, F55, S32760, S32950, S32750 |
Rizwan Flanges, a leading supplier in Manama, Bahrain, offers an extensive selection of Super Duplex Steel Lap Joint Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Super Duplex Steel lap joint flanges are widely employed in corrosive and high-strength environments, particularly where extreme and corrosive conditions are involved. They are most likely to be utilized in marine engineering, desalination plants, offshore oil and gas platforms, chemical process plants, and offshore platforms based on their high chloride-induced stress corrosion and pitting resistance. These flanges are most appropriate for pipeline fittings where dismantling is required on a frequent basis, due to their loose backing design. They are also used in heat exchangers, pressure vessels, and subsea hardware. Their reliability and strength make them an option for high-pressure and critical service.
| ASME/ANSI B 16.5 | Lap Joint Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Lap Joint Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Lap Joint Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Super Duplex Steel lap joint flanges to meet specific project needs. Our team at Rizwan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@rizwanflanges.com.
These flanges find their place in industries where durability and corrosion resistance are paramount. You’ll often see them in oil and gas pipelines, petrochemical plants, chemical processing systems, and marine engineering projects. Super Duplex Steel Lap Joint Flanges are particularly well-suited for high-pressure, high-temperature environments, allowing for easy alignment and assembly of piping systems. Their resistance to chloride-induced corrosion makes them ideal for offshore and seawater applications, while their design simplifies maintenance and replacement. These flanges guarantee safe, efficient, and durable operation, even in the most challenging industrial conditions.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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