Ductile Iron Flanged Pipes
Ductile Iron Flanged Pipes and Electrosteel Iron Pipe are having flange at both its end which are connected using Nut Bolts. It is used for over ground and exposed installations as under:
- Over Ground Installations
- Vertical Installations
- Temporary Installations
- Pump Houses
- Water / Sewerage Treatment Plants
The pipes are connected with positioning of Flange Rubber Gasket of 3 mm thickness in between 2 flanges and tightening of Nut Bolts.
Ductile Iron (DI) Flanged Puddle Pipes are also available in which the ends are either flanged or plain (spigot) and one flange is welded onto the pipe in the middle where concrete / cement is to be poured.
DI Pipe Manufacturers Length and Sizes
| Size (Diameter) | DN 100 mm – DN 1200 mm |
| Standard & Class | IS:8329 of Class K9 |
| ISO:2531 of Classes C40, C30 & C25 | |
| Length | Customized as per requirement |
| Type | Screwed Flanged Pipe |
| Welded Flanged Pipe | |
| Casted Flanged Pipe | |
| Rubber Gasket | Flange Rubber Gasket of 3 mm thickness |
| Pressure Rating | PN 10, PN 16, PN 25 & PN 40 |
| DN (mm) | PN 10 | PN 16 | ||
| No. Of Bolts | Bolt Size | No. Of Bolts | Bolt Size | |
| 100 | 8 | M16 x 70 | 8 | M16 x 70 |
| 150 | 8 | M20 x 80 | 8 | M20 x 80 |
| 200 | 8 | M20 x 80 | 12 | M20 x 80 |
| 250 | 12 | M20 x 80 | 12 | M24 x 90 |
| 300 | 12 | M20 x 90 | 12 | M24 x 90 |
| 350 | 16 | M20 x 90 | 16 | M24 x 90 |
| 400 | 16 | M24 x 90 | 16 | M27 x 100 |
| 450 | 20 | M24 x 90 | 20 | M27 x 100 |
| 500 | 20 | M24 x 100 | 20 | M30 x 110 |
| 600 | 20 | M27 x 100 | 20 | M33 x 120 |
| 700 | 24 | M27 x 110 | 24 | M33 x 130 |
| 800 | 24 | M30 x 120 | 24 | M36 x 140 |
| 900 | 28 | M30 x 120 | 28 | M36 x 150 |
| 1000 | 28 | M33 x 130 | 28 | M39 x 160 |
| 1100 | 28 | M33 x 180 | 32 | M39 x 210 |
| 1200 | 32 | M36 x 180 | 32 | M45 x 210 |