This standard specifies the technical requirements, test methods and inspection rules for polyurethane coatings on the inner and outer surfaces of ductile cast iron pipes and pipe fittings. It is suitable for conveying media with a temperature not exceeding 50 ° C and embedding in occasions where the Environmental temperature does not exceed 50 ° C. The standard describes in detail the abrasion resistance, adhesion and corrosion resistance of coatings, providing technical support for ensuring the durability and safety of ductile cast iron pipes in complex environments.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | A29;H48 | ICS | 23.040.10;25.220.60 |
| Release Date | 2021-04-30 00:00:00 | Implementation Date | 2021-11-01 00:00:00 |