Protection against internal water damage
Ductile iron pipes - Solutions for drinking water and raw water
Article REF: W5200 V2
Protection against internal water damage
Ductile iron pipes - Solutions for drinking water and raw water

Author : Pascal ALEXANDRE

Publication date: June 10, 2023 | Lire en français

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7. Protection against internal water damage

7.1 General information

Ductile iron pipe systems are used to transport water, mainly :

  • drinking water ;

  • raw water, either intended to be made potable in a drinking water treatment plant, or for other uses such as irrigation, electricity production, etc.

These waters can be aggressive to cast iron material. The surfaces of components in contact with water are therefore coated with a protective material.

The purpose of interior linings for ductile iron components is to :

  • protect cast iron pipes and fittings from aggressive water;

  • ...

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