The ductile iron materia features similar mechanical properties with carbon steel such as highmechanical strength,good ductility,and the same anti-corrosion performance as cast iron.Therefore,it has gradually become the world’s most safe and reliable pipes and fittings in the field of watersupply and drainage.

In Malaysia, Penstock are widely used in variety of water and waste water work application as water as water and sewage treatment project and flood control projects.