Rached Flanges is a well-known manufacturer and supplier of high-performance industrial flanges, proudly based in Tunis, Tunisia. They serve demanding industrial sectors around the globe. The company specializes in Nickel Alloy Long Weld Neck Flanges, which are meticulously engineered to meet international standards and withstand severe service conditions. Thanks to their advanced manufacturing capabilities, rigorous quality assurance processes, and complete material traceability, Rached Flanges guarantees exceptional dimensional accuracy and reliability. These long weld neck flanges are specifically designed for high-pressure and high-temperature environments, ensuring optimal stress distribution and structural integrity for critical piping systems in the energy, chemical, and process industries.
Constructed from top-quality nickel-based alloys like Inconel, Monel, Hastelloy, and Incoloy, these Nickel Alloy Long Weld Neck Flanges are chosen for their outstanding corrosion and heat resistance. Their composition typically features nickel blended with chromium, molybdenum, iron, and other alloying elements. This results in flanges that boast excellent tensile and yield strength, remarkable creep resistance, and superior fatigue performance. The extended hub design enhances load distribution, minimizing stress concentration and ensuring dependable performance even under extreme pressure, temperature changes, and harsh chemical environments.
| Specification | ASTM B564 / ASME SB564 |
|---|---|
| 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 (F), 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 B564 201 Nickel Alloy Flanges The other standard: AWWA C207; EN1092-1, GOST12820, JIS B2220; KS B1503, SABS1123; NFE29203; UNI2276 |
| Grades | Nickel Alloy 200, 201 |
| 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 premier supplier in Tunis, Tunisia, specializes in high-quality Nickel Alloy Long Weld Neck Flanges, valued for their exceptional durability, corrosion resistance, precise engineering, and suitability across diverse industrial applications.
Nickel alloy long weld neck flanges are commonly applied in applications that demand high strength, corrosion resistance and toughness. They are most commonly encountered in the chemical, petroleum, and oil and gas sectors since they can easily withstand high-pressure, high-temperature conditions Due to their resistance to damage and oxidation, they are applied in power plants, marine, and aerospace engineering Their long necks provide free flow through pipes, making them best suited for cryogenic applications, variable temperature systems or turbulent media.
| ASME/ANSI B 16.5 | Long Weld Neck Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Long Weld Neck Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Long Weld Neck 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 Nickel Alloy Long Weld Neck 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.
Nickel Alloy Long Weld Neck Flanges find their place in critical applications where extreme conditions demand top-notch material performance. You’ll often see them installed in oil and gas processing facilities, offshore platforms, petrochemical plants, power generation units, and chemical reactors. These flanges are perfect for high-pressure pipelines, high-temperature services, and systems handling corrosive media. Their sturdy construction and resistance to corrosion make them ideal for environments involving sour gas, seawater, and chemical processing, ensuring long-term safety, reliability, and minimal maintenance in challenging operational conditions.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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