| NPS | DN | Outside Diameter (OD) | Flange Wall Thickness |
|---|---|---|---|
| 3/4" | 20 | 98.5 mm | 12.7 mm |
| 1" | 25 | 108.0 mm | 14.2 mm |
| 1 1/4" | 32 | 117.5 mm | 15.7 mm |
| 1 1/2" | 40 | 127.0 mm | 17.5 mm |
| 2" | 50 | 152.5 mm | 19.1 mm |
| 2 1/2" | 65 | 178.0 mm | 22.4 mm |
| 3" | 80 | 190.5 mm | 23.9 mm |
| 3 1/2" | 90 | 216.0 mm | 23.9 mm |
| 4" | 100 | 228.5 mm | 23.9 mm |
| 6" | 150 | 279.5 mm | 25.4 mm |
| 8" | 200 | 343.0 mm | 28.4 mm |
| 10" | 250 | 406.5 mm | 30.2 mm |
| 12" | 300 | 482.5 mm | 31.8 mm |
| 14" | 350 | 533.5 mm | 35.1 mm |
| 16" | 400 | 597.0 mm | 36.6 mm |
| 18" | 450 | 635.0 mm | 39.6 mm |
| 20" | 500 | 698.5 mm | 42.9 mm |
| Nominal Size | Outside Diameter | Flange Wall Thickness | Weight (LB) | Weight (KG) |
|---|---|---|---|---|
| 3/4" | 98.5 mm | 12.7 mm | 1.5 | 0.7 |
| 1" | 108.0 mm | 14.2 mm | 1.8 | 0.8 |
| 1 1/4" | 117.5 mm | 15.7 mm | 2.6 | 1.2 |
| 1 1/2" | 127.0 mm | 17.5 mm | 3.3 | 1.5 |
| 2" | 152.5 mm | 19.1 mm | 5.1 | 2.3 |
| 2 1/2" | 178.0 mm | 22.4 mm | 8.1 | 3.7 |
| 3" | 190.5 mm | 23.9 mm | 9.0 | 4.1 |
| 3 1/2" | 216.0 mm | 23.9 mm | 11.2 | 5.1 |
| 4" | 228.5 mm | 23.9 mm | 13.0 | 5.9 |
| 6" | 279.5 mm | 25.4 mm | 18.5 | 8.4 |
| 8" | 343.0 mm | 28.4 mm | 28.6 | 13.0 |
| 10" | 406.5 mm | 30.2 mm | 39.5 | 18.0 |
| 12" | 482.5 mm | 31.8 mm | 64.0 | 29.0 |
| 14" | 533.5 mm | 35.1 mm | 86.0 | 39.0 |
| 16" | 597.0 mm | 36.6 mm | 103.0 | 47.0 |
| 18" | 635.0 mm | 39.6 mm | 126.0 | 57.0 |
| 20" | 698.5 mm | 42.9 mm | 167.0 | 76.0 |
Each flange follows a rigorous 8-step forging and quality-control process to ensure conformance with ASTM A182 and ASME standards.
Prime 304 stainless steel billet sourced and certified.
Heat to 1100°C – 1250°C for optimal forgeability.
Shape billet into flange geometry under controlled pressure.
Solution anneal at 1040°C – 1120°C, then quench.
CNC machining, drilling, and surface finishing.
Tensile, hardness, PMI, visual and impact tests performed.