Khawla Flanges, a well-respected manufacturer and supplier located in Muscat, Oman, is known for producing top-notch Duplex Steel Slip On Flanges that are perfect for tough industrial settings. With a commitment to precision engineering and cutting-edge manufacturing techniques, the company guarantees that each flange adheres to strict international safety, durability, and performance standards. Khawla Flanges serves key industries like oil and gas, petrochemicals, desalination, marine engineering, and power generation. Their Duplex Steel Slip On Flanges are celebrated for their outstanding corrosion resistance, straightforward installation, and long-lasting performance, making them a dependable option for industries that need strong, efficient, and leak-proof piping connections. Khawla Flanges is a well-established manufacturer and stockist of Duplex Steel Slip-on Flanges located in the Muscats, OMAN. Our Duplex Steel Slip On Flanges are for straightforward fitting giving superb corrosion resistance and longevity in demanding environments. Suitable for industries like oil and gas, petrochemical and marine engineering. These flanges provide a cost-efficient option for collecting pipe in high-pressure and corrosive processes. With dedication to quality and accuracy we guarantee all the materials are to the highest standard the most stringent Provides consistent performance and extended life even under technological conditions.
Duplex Steel Slip On Flanges are crafted from a well-balanced blend of austenitic and ferritic phases, which gives them remarkable strength and resistance to corrosion. Typically, their chemical makeup includes chromium (21–23%), nickel (4.5–6.5%), molybdenum (2.5–3.5%), and nitrogen to enhance structural stability. These flanges boast high tensile and yield strength, along with excellent resistance to pitting and crevice corrosion, and they stand up well against stress corrosion cracking. Their duplex microstructure provides improved toughness, fatigue resistance, and thermal stability, making them perfect for high-pressure, corrosive, and temperature-variable environments.C
| 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, M Duplex Steel S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| Pressure Rating ANSI | Class 150 LBS, 300 LBS, S32205 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 | Preduplex-steel 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, M Duplex Steel SP44, ASA, API-605, AWWA, Custom Drawings ANSI : ANSI B16.5, ANSI B16.47(API605), M Duplex Steel SP44, ANSI B16.36, ANSI B16.48 ANSI B16.5, ANSI B16.47, M Duplex Steel 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 Duplex Steel f51 Duplex Steel Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Duplex Steel f60, S31803, S32205, f51 |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
Khawla Flanges, a leading supplier in Muscat, OMAN, offers an extensive selection of Duplex Steel Slip On 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 Slip On Flanges are extensively utilized in industries that demand strong, corrosion-resistant, and easy-to-install piping connections. Their outstanding performance in chloride-rich and challenging environments makes them ideal for offshore drilling platforms, subsea pipelines, desalination facilities, and chemical processing plants. They’re also frequently found in oil and gas transmission systems, power generation units, heat exchangers, and marine engineering projects.
Duplex Steel Slip On Flanges are widely used in applications that require durable and corrosion-resistant solutions for pipe connections. In the oil and gas industry they are used to connect pipelines in offshore platforms, refineries and pipelines. Where chloride corrosion is critical These flanges are also common in chemical plants. Where dealing with decomposition and high temperatures. Power plants rely on them for high-voltage systems allowing them to operate for extended periods of time. In addition Duplex Steel Slip On Flanges are used in marine desalination and wastewater treatment industries providing a cost-effective and reliable solution for a wide range of applications.
| STANDARD | WERKSTOFF NR. | UNS |
| Duplex S31803 | 1.4462 | S31803 |
| Duplex 2205 | 1.4462 | S32205 |
| ASME/ANSI B 16.5 | Slip on Flange |
| PRESSURE CLASS | 150, 300, 400, S32205, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, S32205, 900 |
| ASME/ANSI B 16.36 | Slip on Flange |
| PRESSURE CLASS | 300, 400, S32205, 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, S32205, 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 Slip On Flanges to meet specific project needs. Our team at Khawla Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khawlaflanges.com.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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