Ismail Flanges, located in Jakarta, Indonesia, is a reliable manufacturer and supplier of DIN 2641 PN6 Lap Joint Flanges, catering to a variety of industrial piping needs. These flanges are crafted according to the German DIN 2641 standard and are suitable for low-pressure systems up to PN6 (6 bar). Designed to work with stub ends, lap joint flanges are perfect for situations where frequent disassembly or alignment is necessary. Ismail Flanges offers a range of DIN 2641 flanges in different sizes and materials, ensuring they fit seamlessly with European piping systems, particularly in chemical, water treatment, and mechanical applications.
DIN 2641 PN6 flanges are generally made from carbon steel (like S235JR, P245GH) or stainless steel (such as AISI 304, 316). These flanges provide a yield strength ranging from 235 to 355 MPa and a tensile strength between 400 and 600 MPa, depending on the material chosen. As lap joint flanges, they are designed to pair with a loose backing ring and stub end, making them perfect for non-permanent connections. They can withstand moderate pressure and temperature changes, and when crafted from stainless steel, they offer excellent resistance to corrosion, making them suitable for various piping environments.
| 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 |
Ismail Flanges, a leading supplier in Indonesia, Jakarta, offers an extensive selection of DIN 2641 PN6 Lap Joint 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 2641 PN6 Lap Joint Flanges are commonly found in low-pressure piping systems that need regular assembly, inspection, or realignment. Typical uses include water distribution, wastewater treatment, chemical processing, pharmaceutical piping, and food-grade installations. They are particularly favored in systems handling corrosive fluids, where the stub end can be made from corrosion-resistant materials while the backing flange can be constructed from carbon steel for cost-effectiveness. These flanges are ideal for connections that aren’t permanently welded, providing flexibility and ease of maintenance. Their design is well-suited for applications in non-critical, corrosive, and clean service pipelines.
Yes, we offer custom sizes for DIN 2641 PN6 Lap Joint Flanges to meet specific project needs. Our team at Ismail Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ismailflanges.id.
| 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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