Quan Flanges and Plates is a well-respected manufacturer and supplier based in Da Nang, Vietnam, specializing in high-quality DIN 2641 PN6 Lap Joint Flanges that adhere to both German and international standards. These flanges are crafted with precision to ensure reliable, leak-proof connections in low-pressure piping systems, and they’re highly regarded for their straightforward installation and maintenance. Renowned for their durability, accurate dimensions, and resistance to corrosion, DIN 2641 PN6 Lap Joint Flanges are perfect for industries that require frequent dismantling and inspection of piping systems. With cutting-edge production technology and rigorous quality control, Quan Flanges and Plates guarantees dependable products that are suitable for global use.
Typically, DIN 2641 PN6 Lap Joint Flanges are made from materials like carbon steel, stainless steel, alloy steel, or duplex steel, providing strength and wear resistance in various environments. Their composition ensures essential mechanical properties, including good tensile strength, toughness, and hardness, while also offering sufficient resistance to cracking and deformation under low-pressure conditions. Featuring a loose backing flange and stub end, they facilitate easy alignment of bolting holes and help reduce stress in piping connections. Thanks to precision machining and robust metallurgy, these flanges promise a long service life, dimensional stability, and safe performance across a range of applications.
| 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 Parameter | Flange Dimension | Screw Dimension | Flange Weight | |||||||
| DN | ISO | DIN | D | d6 | b | k | e | No. of holes | d2 | KG/PCS |
| 10 | – | 14 | 75 | 16 | 10 | 50 | 2 | 4 | 11 | 0.3 |
| 17.2 | – | 75 | 19 | 10 | 50 | 2 | 4 | 11 | 0.29 | |
| 15 | – | 20 | 80 | 22 | 10 | 55 | 2 | 4 | 11 | 0.33 |
| 21.3 | – | 80 | 24 | 10 | 55 | 2 | 4 | 11 | 0.33 | |
| 20 | – | 25 | 90 | 28 | 10 | 65 | 2 | 4 | 11 | 0.42 |
| 26.9 | – | 90 | 30 | 10 | 65 | 2 | 4 | 11 | 0.41 | |
| 25 | – | 30 | 100 | 33 | 12 | 75 | 3 | 4 | 11 | 0.62 |
| 33.7 | – | 100 | 36 | 12 | 75 | 3 | 4 | 11 | 0.61 | |
| 32 | – | 38 | 120 | 42 | 12 | 90 | 3 | 4 | 14 | 0.88 |
| 42.4 | – | 120 | 46 | 12 | 90 | 3 | 4 | 14 | 0.85 | |
| 40 | – | 44.5 | 130 | 50 | 12 | 100 | 3 | 4 | 14 | 1.01 |
| 48.3 | – | 130 | 54 | 12 | 100 | 3 | 4 | 14 | 0.98 | |
| 50 | – | 57 | 140 | 62 | 12 | 110 | 3 | 4 | 14 | 1.11 |
| 60.3 | – | 140 | 65 | 12 | 110 | 3 | 4 | 14 | 1.08 | |
| 65 | 76.1 | – | 160 | 81 | 12 | 130 | 3 | 4 | 14 | 1.35 |
| 80 | 88.9 | – | 190 | 94 | 14 | 150 | 3 | 4 | 18 | 2.24 |
| 100 | – | 108 | 210 | 113 | 14 | 170 | 3 | 4 | 18 | 2.59 |
| 114.3 | – | 210 | 119 | 14 | 170 | 3 | 4 | 18 | 2.47 | |
| 125 | – | 133 | 240 | 138 | 14 | 200 | 3 | 8 | 18 | 3.1 |
| 139.7 | – | 240 | 145 | 14 | 200 | 3 | 8 | 18 | 2.93 | |
| 150 | – | 159 | 265 | 164 | 14 | 225 | 3 | 8 | 18 | 3.52 |
| 168.3 | – | 265 | 173 | 14 | 225 | 3 | 8 | 18 | 3.25 | |
| 200 | 219.1 | – | 320 | 225 | 16 | 280 | 3 | 8 | 18 | 4.85 |
| 250 | – | 267 | 375 | 273 | 20 | 335 | 3 | 12 | 18 | 7.67 |
| 273 | – | 375 | 279 | 20 | 335 | 3 | 12 | 18 | 7.26 | |
| 300 | 323.9 | – | 440 | 329 | 24 | 395 | 4 | 12 | 22 | 11.77 |
| 350 | 355.6 | – | 490 | 362 | 26 | 445 | 4 | 12 | 22 | 16.55 |
| – | 368 | 490 | 374 | 26 | 445 | 4 | 12 | 22 | 15.13 | |
| 400 | 406.4 | – | 540 | 413 | 28 | 495 | 4 | 16 | 22 | 19.56 |
| – | 419 | 540 | 426 | 28 | 495 | 4 | 16 | 22 | 17.67 | |
| 500 | 508 | – | 645 | 517 | 32 | 600 | 4 | 20 | 22 | 27.43 |
| 600 | 610 | – | 755 | 618 | 36 | 705 | 4 | 20 | 26 | 38.75 |
| 700 | 711 | – | 860 | 721 | 40 | 810 | 4 | 24 | 26 | 50.19 |
| 800 | 813 | – | 975 | 824 | 44 | 920 | 4 | 24 | 30 | 67.83 |
| 900 | 914 | – | 1075 | 926 | 48 | 1020 | 4 | 24 | 30 | 81.84 |
| 1000 | 1016 | – | 1175 | 1028 | 52 | 1120 | 4 | 28 | 30 | 95.74 |
| 1200 | 1220 | – | 1405 | 1232 | 60 | 1340 | 5 | 32 | 33 | 155.87 |
You’ll find DIN 2641 PN6 Lap Joint Flanges widely used in sectors such as water supply, shipbuilding, chemical processing, oil and gas, and power generation. They shine in systems that require frequent assembly, disassembly, or maintenance, thanks to their simple design and reusability. These flanges are particularly suited for low-pressure pipelines that transport water, air, gas, and non-aggressive fluids, ensuring both cost-effectiveness and operational ease. Their lightweight design, combined with easy handling, makes them ideal for both temporary and permanent piping systems. With their versatility, durability, and practicality, DIN 2641 PN6 Lap Joint Flanges are a smart choice for a variety of applications.
DIN 2641 PN6 Lap Joint Flanges are widely used in piping systems requiring frequent disassembly or realignment. Their flexibility and ease of installation make them ideal for low-pressure applications in industries such as water treatment, chemical processing, and food processing. These flanges are commonly employed in non-corrosive fluid transport systems, ensuring leak-free connections and straightforward maintenance. They are particularly useful in situations where alignment adjustments are crucial, providing cost-effective and reliable solutions for various industrial and commercial piping setups.
Yes, we offer custom sizes for DIN 2641 PN6 Lap Joint Flanges to meet specific project needs. Our team at Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.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.
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