Arda Flanges, based in Istanbul, Turkey, is a reliable manufacturer and supplier of DIN 2503 PN25 Slip-On Flanges, providing top-notch solutions for medium- to high-pressure piping systems. These flanges are designed to easily slide over the pipe and are welded both inside and out, ensuring a robust, leak-proof connection. Built to meet DIN 2503 standards with a PN25 pressure rating, these Slip-On Flanges are perfect for applications that require up to 25 bar. With state-of-the-art manufacturing facilities, rigorous quality control, and adherence to international standards, Arda Flanges guarantees durable, dependable, and cost-effective flange solutions for various industrial operations.
Typically crafted from carbon steel, stainless steel, or alloy steel, DIN 2503 PN25 Slip-On Flanges boast excellent mechanical strength, corrosion resistance, and dimensional stability. They provide high tensile and yield strength, making them suitable for medium- to high-pressure applications, along with impressive toughness and ductility. The slip-on design simplifies alignment and installation compared to welded neck flanges, while still ensuring a secure welded connection that promotes operational safety and long-lasting reliability under pressure.
Arda Flanges, a leading supplier in Istanbul, Turkey, offers an extensive selection of DIN 2503 PN25 Slip On 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.
| 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 |
| Nominal Pipe Size | Diameter of | Flange Dia | Flange I.D | Thk of Flanges | Dia of Bolt Cirlce | No. of | Dia of Bolt Holes | Weight |
|---|---|---|---|---|---|---|---|---|
| DN | Pipe | D | D5 | B | K | holes | D2 | KG |
| 10 | 17.20 | 90 | 17.70 | 14 | 60 | 4 | 14 | 0.60 |
| 15 | 21.30 | 95 | 22.00 | 14 | 65 | 4 | 14 | 0.67 |
| 20 | 26.90 | 105 | 27.60 | 16 | 75 | 4 | 14 | 0.94 |
| 25 | 33.70 | 115 | 34.40 | 16 | 85 | 4 | 14 | 1.11 |
| 32 | 42.40 | 140 | 43.10 | 16 | 100 | 4 | 18 | 1.62 |
| 40 | 48.30 | 150 | 49.00 | 16 | 110 | 4 | 18 | 1.85 |
| 50 | 60.30 | 165 | 61.10 | 18 | 125 | 4 | 18 | 2.46 |
| 65 | 76.10 | 185 | 77.10 | 18 | 145 | 4 | 18 | 2.99 |
| 80 | 88.90 | 200 | 90.30 | 20 | 160 | 8 | 18 | 3.61 |
| 100 | 114.30 | 220 | 115.90 | 20 | 180 | 8 | 18 | 3.99 |
| 125 | 139.70 | 250 | 141.60 | 22 | 210 | 8 | 18 | 5.41 |
| 150 | 168.30 | 285 | 170.50 | 22 | 240 | 8 | 22 | 6.55 |
| 175 | 193.70 | 315 | 196.10 | 24 | 270 | 8 | 22 | 8.42 |
| 200 | 219.10 | 340 | 221.80 | 24 | 295 | 12 | 22 | 8.97 |
| 250 | 273.00 | 405 | 276.20 | 26 | 355 | 12 | 26 | 12.76 |
| 300 | 323.90 | 460 | 327.60 | 28 | 410 | 12 | 26 | 16.60 |
| 350 | 355.60 | 520 | 359.70 | 30 | 470 | 16 | 26 | 24.08 |
| 400 | 406.40 | 580 | 411.00 | 32 | 525 | 16 | 30 | 30.20 |
| 450 | 457.00 | 640 | 462.30 | 38 | 585 | 20 | 30 | 41.67 |
| 500 | 508.00 | 715 | 513.60 | 38 | 650 | 20 | 33 | 52.87 |
| 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 |
These flanges are extensively used across the oil and gas, petrochemical, chemical processing, power generation, and water treatment sectors. They are ideal for connecting pipelines, pumps, valves, and pressure vessels where strong, leak-proof joints are essential. Commonly found in high-pressure piping systems, industrial fluid transfer, and chemical process lines, DIN 2503 PN25 Slip-On Flanges offer an efficient and durable solution for critical industrial applications, thanks to their ease of installation, mechanical reliability, and resistance to medium- and high-pressure environments.
Yes, we offer custom sizes for DIN 2503 PN25 Slip On Flanges to meet specific project needs. Our team at Arda Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ardaflanges.com.
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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