Operating from the heart of Naypyidaw, Khun Flanges stands as a trusted manufacturer and supplier dedicated to supporting Myanmar’s growing industrial landscape. We take particular pride in our production of DIN 2503 PN25 Slip On Flanges, components engineered to meet the rigorous demands of high-pressure systems. Our commitment goes beyond mere supply; we focus on delivering reliability and precision, ensuring every flange contributes to the integrity and safety of the pipelines and equipment that drive progress across the nation.
Crafted to the exacting DIN 2503 standard for a pressure rating of PN25, these slip-on flanges are typically produced from robust materials like carbon steel or stainless steel, chosen for their exceptional strength. The specific composition is carefully selected to guarantee superior mechanical properties, including high tensile strength and excellent yield strength, allowing them to withstand significant internal pressures without deformation. This ensures a resilient and long-lasting connection point, forming a secure seal when paired with a matching raised face.
Khun Flanges, a leading supplier in Naypyidaw, Myanmar, 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 are commonly utilized in a range of industrial applications that involve safe and leak-free pipe connections at moderate to high pressure. The flanges are best suited for oil and gas, petrochemical, power generation, water treatment, and shipbuilding industries. The design of the flanges enables easy welding and alignment, making them appropriate for applications where maintenance or changes are often required. Having a pressure rating of 25 bar, they are ideal for conveying gases, steam, and fluids. Their toughness and compatibility with various piping materials ensure that they are a trusted option for high-performance and long-term pipeline installations.
Yes, we offer custom sizes for DIN 2503 PN25 Slip On Flanges to meet specific project needs. Our team at Khun Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@khunflanges.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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