This document specifies the requirements and test methods applicable to factory applied ceramic epoxy lining for ductile iron pipes conforming to ISO 2531, ISO 7186 and ISO 16631, excluding potable water, for operating temperature up to 50 °C.
PROJECT
ISO/FDIS 24131-4
50.20
Proof sent to secretariat or FDIS ballot initiated: 8 weeks
Mar 17, 2026
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