Ismail Flanges, a well-respected manufacturer and supplier based in Jakarta, Indonesia, specializes in top-notch DIN 2503 PN25 Slip On Flanges suitable for a variety of industrial uses. Crafted to adhere to international standards, these flanges are engineered for strength, precision, and reliability, particularly in medium to high-pressure systems. With a wealth of experience in flange production, Ismail Flanges caters to essential sectors such as petrochemical, oil & gas, water treatment, and power generation. Their DIN 2503 PN25 Slip On Flanges are celebrated for their sturdy construction, excellent sealing capabilities, and cost-effective solutions for clients both in Indonesia and around the globe.
The DIN 2503 PN25 Slip On Flanges from Ismail Flanges are made from high-quality materials like carbon steel, stainless steel (304/316), and alloy steel, tailored to meet specific project needs. The chemical makeup provides resistance to corrosion and ensures high mechanical strength. Key mechanical properties include a tensile strength ranging from 485 to 620 MPa, a minimum yield strength of 250 MPa, and an elongation of 20%. Designed for a nominal pressure rating of PN25, these flanges are perfect for medium to high-pressure applications. Their precision-engineered surfaces guarantee proper gasket seating, minimizing leakage risks and promoting long-term operational reliability.
Ismail Flanges, a leading supplier in Indonesia, Jakarta, 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 |
DIN 2503 PN25 Slip On Flanges find extensive use in industries that require handling moderate to high pressure. They are commonly employed in water pipelines, chemical plants, oil & gas sectors, HVAC systems, and food processing facilities. These flanges are especially advantageous for piping systems that need regular inspection, cleaning, or modifications, thanks to their straightforward installation and alignment. Ismail Flanges offers them in a variety of sizes and materials to meet specific project demands, ensuring safe, leak-proof connections even in high-temperature and corrosive environments. Their adaptability makes them a go-to choice for many industrial applications.
Yes, we offer custom sizes for DIN 2503 PN25 Slip On 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.
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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