Ductile Iron Flanged Pipes

Ductile Iron Flanged Pipes

Ductile Iron Flanged Pipes 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

These pipes are of 3 types as under:

  • Screwed Flanged Pipes
  • Casted Flanged Pipes

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.

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