From the industrial heart of Manama, Rizwan Flanges has built its reputation on precision and reliability, specializing in the supply of high-quality pipeline components. We understand the critical nature of robust connections in demanding environments, which is why our DIN 2631 PN6 Weld Neck Flanges are manufactured with exacting attention to detail. These flanges are designed to offer a superior seal and strength, making them an indispensable component for systems requiring unwavering performance under pressure, backed by our commitment to exceptional customer service in Bahrain and beyond.
Crafted to meet the rigorous DIN 2631 standard, these PN6 flanges are typically manufactured from durable carbon steel grades. This composition ensures excellent mechanical properties, including a high tensile strength that allows them to withstand significant internal pressures without compromising their integrity. The design, featuring a long tapered hub, provides optimal stress distribution, making them exceptionally reliable for a wide range of industrial applications where safety and long-term performance are absolutely paramount.
| 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 |
Rizwan Flanges, a leading supplier in Manama, Bahrain, 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 are primarily used in low-pressure piping systems across industries such as oil and gas, petrochemical, water treatment, and HVAC. Their design allows for secure, leak-proof connections and minimizes stress at the base, making them ideal for systems where temperature and pressure may fluctuate mildly. These flanges are commonly installed in pipelines, pumps, and valves, providing stability and alignment. Their durability and precise fit make them essential for ensuring efficient flow and system integrity in low-pressure applications.
Yes, we offer custom sizes for DIN 2631 PN6 Weld Neck Flanges to meet specific project needs. Our team at Rizwan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@rizwanflanges.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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