Rached Flanges, located in Tunis, Tunisia, stands out as a top-notch manufacturer and supplier of high-quality industrial flanges. They specialize in Duplex Steel RTJ (Ring Type Joint) Flanges, which are celebrated for their exceptional strength, durability, and resistance to corrosion. These flanges are crafted with precision, ensuring secure, leak-proof connections in high-pressure and high-temperature piping systems. Catering to sectors like oil and gas, petrochemical, chemical processing, and power generation, Rached Flanges merges cutting-edge manufacturing techniques with rigorous quality control, guaranteeing reliable performance, safety, and longevity in demanding industrial settings where integrity and efficiency are paramount.
Duplex Steel RTJ Flanges are constructed from a unique duplex stainless steel alloy that boasts a high content of chromium, nickel, and molybdenum, providing outstanding resistance to corrosion and stress corrosion cracking. These flanges exhibit remarkable mechanical properties, including high tensile and yield strength, hardness, and impact resistance. The RTJ design features a meticulously crafted metal ring groove that guarantees a tight, leak-proof seal even under extreme pressure and temperature conditions. Built to comply with strict international standards, Duplex Steel RTJ Flanges uphold structural integrity and long-term reliability, making them ideal for critical applications in harsh industrial environments.
| 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 | Ring Type Joint (RTJ), 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 |
| 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. B.S: BS4504 , BS3293, BS1560, BS10 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 F316 Duplex Steel Flanges |
| Grades | Duplex Steel S31803, F51, S32205, F60 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Rached Flanges, a leading supplier in Tunis, Tunisia, offers an extensive selection of Duplex Steel RTJ 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.
Duplex steel RTJ (ring type joint) flanges are widely applied in high-strength, corrosion-resistant and reliable applications like chemical processing, oil and gas, power generation, marine applications and offer protection and leak-tight seal because of their strong design, particularly In high-pressure applications. Duplex steel with a dual structure of austenitic and ferritic gives good resistance against pitting, cracking, corrosion, stress and corrosion cracking Such flanges are suitable for corrosive environments, guaranteeing strength and long lifespan in priority of importance.
| ASME/ANSI B 16.5 | RTJ Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | RTJ Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | RTJ 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 Duplex Steel RTJ Flanges to meet specific project needs. Our team at Rached Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@rachedflanges.com.
These flanges are widely utilized in industries that demand high-performance, leak-proof connections under challenging conditions. They’re commonly found in oil and gas pipelines, petrochemical facilities, chemical processing units, and high-pressure steam systems. Perfect for connecting pipes, valves, pumps, and other essential equipment, these flanges ensure secure sealing and resistance to corrosion, erosion, and stress. Their design allows for precise alignment and straightforward maintenance, even in high-pressure, high-temperature situations. Rached Flanges’ Duplex Steel RTJ Flanges are truly a reliable choice for those in need of robust industrial solutions.
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