Rached Flanges, based in Tunis, Tunisia, is a reputable manufacturer and supplier of high-quality industrial flanges. They specialize in Copper Nickel Blind Flanges, which are well-known for their corrosion resistance, durability, and precision engineering. These flanges are crafted to seal the ends of piping systems, ensuring a leak-proof closure that enhances safety in challenging environments. Catering to sectors like marine, offshore, desalination, chemical processing, and power generation, Rached Flanges merges cutting-edge manufacturing techniques with strict quality control, delivering reliable, long-lasting flanges that uphold operational efficiency and system integrity, even in harsh conditions such as seawater, chemicals, and extreme temperatures.
Copper Nickel Blind Flanges are constructed from top-notch copper-nickel alloys, typically featuring a 70/30 or 90/10 copper-to-nickel ratio, which provides outstanding resistance to corrosion and erosion. These flanges boast high tensile and yield strength, good ductility, and excellent mechanical properties suitable for moderate-pressure applications. Designed as solid discs, they effectively seal pipe ends to prevent leaks and ensure system safety. Manufactured to comply with international standards, Copper Nickel Blind Flanges offer structural integrity, durability, and long-lasting performance in marine, chemical, and industrial piping systems, making them perfect for tough environments where resistance to seawater, chemicals, and erosion is essential for dependable operation.
| Specification | ASTM B151 / ASME SB151 |
|---|---|
| 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, JIS90/10220, 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 |
| 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 B151 70/30 Copper Nickel Flanges |
| Grades | Copper Nickel 70/30, 90/10 |
| 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 Copper Nickel Blind 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.
Copper-nickel blind flanges find widespread applications in marine and offshore use because they possess very high resistance to seawater corrosion and bio-odor They find application in the field of pharmaceuticals, desalination plants and power plants under normal den in the. Blind flanges prevent water from passing through when required by closing the pipe or container end. The copper-nickel alloy offers cracking, pitting and stress cracking resistance, making it ideal for high temperature and high pressure.
| STANDARD | WERKSTOFF NR. | UNS |
|---|---|---|
| Cupro Nickel 90/10 | 2.0872 | C70600 |
| Cupro Nickel 70/30 | 2.0882 | C71500 |
| ASME/ANSI B 16.5 | Blind Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Blind 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 Copper Nickel Blind 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.
Copper Nickel Blind Flanges are commonly used to securely close the ends of pipelines across various industrial applications. They play a crucial role in marine and offshore systems, desalination plants, chemical processing facilities, and power generation plants. These flanges provide secure, leak-proof closures, enabling safe isolation of piping sections during maintenance, inspections, or system modifications. Their corrosion resistance and durability make them ideal for exposure to seawater, chemicals, and high-pressure conditions.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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