DI Socket and Spigot Pipes

Overview

Ductile Iron, also known as Spheroidal Graphite Iron or Nodular Cast Iron, offers better ductility and retains the inherent corrosion resistance of cast iron. Pipes made from Ductile Iron are therefore the most preferred pipes for water supply and sewage applications across the world.

Srikalahasthi Pipes Limited is a leading manufacturer of superior quality DI Pipes with higher pressure bearing ability, impact resistance and capacity to sustain external static/ dynamic loading.

Why Ductile Iron Pipes?

High Tensile Strength

Ductile iron offers higher Tensile Strength than Mild Steel and retains the inherent corrosion resistance of Cast Iron due to its spheroidal graphite micro-structure. Pipes made from Ductile Iron provide substantial benefits in terms of pressure bearing ability, impact resistance and capacity to sustain external static/ dynamic loading.

Flexible and Leak Tight Joints

Ductile Iron Pipes have flexible push-on joints which do not leak at high or low pressure, even when deflected. Thus, these pipes are flexible, easy and quick to join.

Corrosion Resistant

Ductile iron pipes with external metallic zinc/epoxy coating with finishing layer of Bituminous Coating and internal cement mortar lining using large centrifugal force provides excellent anti-corrosive properties.

Longer Service Life

Ductile iron Pipes have very long reliable service life of 70-90 years.

Ductile Iron Socket and Spigot Pipes with push-on joints

Product Range

Ductile Iron Socket and Spigot Pipe with Push-On Joint conforming to IS 8329:2000 with subsequent amendments for Water, Sewerage and Irrigation.

Nominal Diameter(mm) Class Standard Length(m)
DN100 to DN1100 K7 & K9
  • DN100 to DN300 - 5.5m
  • DN350 to 600 - 5.5m or 6.0m
  • DN700 to 1100 - 6.0m

Coating and Lining

Internal Lining - standard product

Cement mortar lining with Portland Slag cement (IS 455:2015) or Portland Cement IS (8112:2013).

External Coating - standard product

Metallic Zinc Coating as per annex A of IS 8329 with a finishing layer of Bituminous Coating as per Annex C of IS 8329.

Higher deposit of Zinc can be provided for specific conditions considering the corrosiveness of soil at certain areas of pipe routing.

Other Linings and Coatings

High Alumina Cement mortar lining, Epoxy Coating and Polyethylene Sleeves can be provided for specific conditions.