Rached Flanges is a reliable manufacturer and supplier of DIN 2631 PN6 Weld Neck Flanges based in Tunis, Tunisia. We pride ourselves on delivering top-notch products that meet international standards. Known for our precision engineering and durability, we ensure that every weld neck flange is crafted with advanced manufacturing and forging techniques. Our DIN 2631 PN6 Weld Neck Flanges are specifically designed for dependable performance in low-pressure piping systems, offering excellent resistance to corrosion and wear. With a strong focus on quality control, timely delivery, and customer satisfaction, Rached Flanges has established itself as a trusted partner for industries in need of long-lasting and efficient flange solutions.
Typically made from high-quality carbon steel, stainless steel, or alloy steel, DIN 2631 PN6 Weld Neck Flanges boast impressive strength, corrosion resistance, and durability. These flanges are designed with reliable mechanical properties, including good tensile and yield strength, adequate hardness, and enough ductility to ensure safe operation under moderate pressure conditions. They are built for secure welding connections, maintaining structural integrity and performance even in low-pressure systems, temperature fluctuations, and various environmental conditions. Their precise composition guarantees compatibility with a range of piping applications, ensuring long-term operational reliability.
| Size Chart | 1/2″ (15 NB) To 48″ (1200NB) |
| Coating Flanges Faces | Zinc Plated, Oil Black Paint, Yellow Transparent, Cold and Hot Dip Galvanized, Anti-rust Paint |
| Design For Size | DIN, EN, ASA, PN, JIS, BS, ANSI, ASME |
| Pressure Rating Table | Class 150 LBS, Class 300 LBS, Class 600 LBS, Class 900 LBS, Class 1500 LBS, Class 2500 LBS |
| Supporting Flanges Material | Flanges Bolts, Gasket, Ring Joint |
| Connect Type Type | FF, RTJ, SMF, LMF, RF, LJF |
| Production Process | Forged, Heat Treated and Machined |
| Standard | ASME B16.38 Flange, DIN Flange, ISO Flange, JIS Flange, PN Flange, MSS SP44 Flange, EN-1092 Flange, BS10 Flange, ASME B16.47 (Series A, Series B) Flange, UNI Flange, ASME B16.5 Flange, AWWA Flange, DIN Flange, GOST Flange |
| Machining Equipment | Bending machine, Sand-blasting machine, Press machine, Pushing Machine, Electric bevelling machine etc |
| Pipe | Flange | Neck | Raised face | Screws | Weight | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| (7,85 Kg/dm3) | ||||||||||||||||
| Rated | d1 | D | b | k | h1 | d3 | s | r | h2 | d4 | f | Holes | Thread | d2 | Kg | |
| Diameter | ISO Series | DIN Series | ||||||||||||||
| 15 | – | 20 | 80 | 12 | 55 | 30 | 28 | 2 | 4 | 6 | 40 | 2 | 4 | M 10 | 11 | 0,392 |
| 21,3 | – | 30 | ||||||||||||||
| 20 | – | 25 | 90 | 14 | 65 | 32 | 35 | 2,3 | 4 | 6 | 50 | 2 | 4 | M 10 | 11 | 0,592 |
| 26,9 | – | 38 | ||||||||||||||
| 25 | – | 30 | 100 | 14 | 75 | 35 | 40 | 2,6 | 4 | 6 | 60 | 2 | 4 | M 10 | 11 | 0,747 |
| 33,7 | – | 42 | ||||||||||||||
| 32 | – | 38 | 120 | 14 | 90 | 35 | 50 | 2,6 | 6 | 6 | 70 | 2 | 4 | M 12 | 14 | 1,05 |
| 42,4 | – | 55 | ||||||||||||||
| 40 | – | 44,5 | 130 | 14 | 100 | 38 | 58 | 2,6 | 6 | 7 | 80 | 3 | 4 | M 12 | 14 | 1,18 |
| 48,3 | – | 62 | ||||||||||||||
| 50 | – | 57 | 140 | 14 | 110 | 38 | 70 | 2,9 | 6 | 8 | 90 | 3 | 4 | M 12 | 14 | 1,34 |
| 60,3 | – | 74 | ||||||||||||||
| 65 | 76,1 | – | 160 | 14 | 130 | 38 | 88 | 2,9 | 6 | 9 | 110 | 3 | 4 | M 12 | 14 | 1,67 |
| 80 | 88,9 | – | 190 | 16 | 150 | 42 | 102 | 3,2 | 8 | 10 | 128 | 3 | 4 | M 16 | 18 | 2,71 |
| 100 | – | 108 | 210 | 16 | 170 | 45 | 122 | 3,6 | 8 | 10 | 148 | 3 | 4 | M 16 | 18 | 3,24 |
| 114,3 | 130 | |||||||||||||||
| 125 | – | 133 | 240 | 18 | 200 | 48 | 148 | 4 | 8 | 10 | 178 | 3 | 8 | M 16 | 18 | 4,49 |
| 139,7 | – | 155 | ||||||||||||||
| 150 | – | 159 | 265 | 18 | 225 | 48 | 172 | 4,5 | 10 | 12 | 202 | 3 | 8 | M 16 | 18 | 5,15 |
| 168,3 | – | 184 | ||||||||||||||
| 200 | 219,1 | – | 320 | 20 | 280 | 55 | 236 | 5,9 | 10 | 15 | 258 | 3 | 8 | M 16 | 18 | 7,78 |
| 250 | – | 267 | 375 | 22 | 335 | 60 | 282 | 6,3 | 12 | 15 | 312 | 3 | 12 | M 16 | 18 | 10,8 |
| 273 | – | 290 | ||||||||||||||
| 300 | 323,9 | – | 440 | 22 | 395 | 62 | 342 | 7,1 | 15 | 15 | 365 | 4 | 12 | M 20 | 22 | 14 |
| 350 | 355,6 | – | 490 | 22 | 445 | 62 | 385 | 7,1 | 12 | 15 | 415 | 4 | 12 | M 20 | 22 | 18,5 |
| – | 368 | 16,7 | ||||||||||||||
| 400 | 406,4 | – | 540 | 22 | 495 | 65 | 438 | 7,1 | 12 | 15 | 465 | 4 | 16 | M 20 | 22 | 21,2 |
| – | 419 | 19 | ||||||||||||||
| 500 | 508 | – | 645 | 24 | 600 | 68 | 538 | 7,1 | 12 | 15 | 570 | 4 | 20 | M 20 | 22 | 28,6 |
| 600 | 610 | – | 755 | 24 | 705 | 70 | 640 | 7,1 | 12 | 16 | 670 | 5 | 20 | M 24 | 26 | 31,5 |
| 700 | 711 | – | 860 | 24 | 810 | 70 | 740 | 7,1 | 12 | 16 | 775 | 5 | 24 | M 24 | 26 | 37,4 |
| 800 | 813 | – | 975 | 24 | 920 | 70 | 842 | 7,1 | 12 | 16 | 880 | 5 | 24 | M 27 | 30 | 46,1 |
| 900 | 914 | – | 1075 | 26 | 1020 | 70 | 942 | 7,1 | 12 | 16 | 980 | 5 | 24 | M 27 | 30 | 55,6 |
| 1000 | 1016 | – | 1175 | 26 | 1120 | 70 | 1045 | 7,1 | 16 | 16 | 1080 | 5 | 28 | M 27 | 30 | 61,9 |
Rached Flanges, a leading supplier in Tunis, Tunisia, offers an extensive selection of DIN 2631 PN6 Weld Neck 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.
DIN 2631 PN6 Weld Neck Flanges find extensive use in low-pressure industrial piping systems, such as water treatment, chemical processing, oil and gas, and general industrial applications. They are perfect for connecting pipes, valves, and equipment where reliable, leak-proof joints are crucial. These flanges excel in resisting corrosion, wear, and mechanical stress, making them suitable for handling water, steam, oil, and non-aggressive chemicals. Their straightforward installation, durability, and secure welding connections make them a go-to choice for industries that demand dependable performance and minimal maintenance in low-pressure environments.
Yes, we offer custom sizes for DIN 2631 PN6 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.
| NPS NPS (inch) | |||||
|---|---|---|---|---|---|
| Diammeter of Flange (inch) | No. of Bolts | Diammeter of Bolts (inch) | Diammeter of Bolt Holes (inch) | Bolt Circle (inch) | |
| 1/4 | 3-3/8 | 4 | 1/2 | 0.62 | 2-1/4 |
| 1/2 | 3-1/2 | 4 | 1/2 | 0.62 | 2-3/8 |
| 3/4 | 3-7/8 | 4 | 1/2 | 0.62 | 2-3/4 |
| 1 | 4-1/4 | 4 | 1/2 | 0.62 | 3-1/8 |
| 1-1/4 | 4-5/8 | 4 | 1/2 | 0.62 | 3-1/2 |
| 1-1/2 | 5 | 4 | 1/2 | 0.62 | 3-7/8 |
| 2 | 6 | 4 | 5/8 | 0.75 | 4-3/4 |
| 2-1/2 | 7 | 4 | 5/8 | 0.75 | 5-1/2 |
| 3 | 7-1/2 | 4 | 5/8 | 0.75 | 6 |
| 3-1/2 | 8-1/2 | 8 | 5/8 | 0.75 | 7 |
| 4 | 9 | 8 | 5/8 | 0.75 | 7-1/2 |
| 5 | 10 | 8 | 3/4 | 0.88 | 8-1/2 |
| 6 | 11 | 8 | 3/4 | 0.88 | 9-1/2 |
| 8 | 13-1/2 | 8 | 3/4 | 0.88 | 11-3/4 |
| 10 | 16 | 12 | 7/8 | 1 | 14-1/4 |
| 12 | 19 | 12 | 7/8 | 1 | 17 |
| 14 | 21 | 12 | 1 | 1.12 | 18-3/4 |
| 16 | 23-1/2 | 16 | 1 | 1.12 | 21-1/4 |
| 18 | 25 | 16 | 1-1/8 | 1.25 | 22-3/4 |
| 20 | 27-1/2 | 20 | 1-1/8 | 1.25 | 25 |
| 24 | 32 | 20 | 1-1/4 | 1.38 | 29-1/2 |
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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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