ISO 24131-1:2023 PDF

Scope: This document specifies the requirements and test methods applicable to factory applied internal polyurethane lining for ductile iron pipes according to ISO 2531, ISO 7186 and ISO 16631. It covers internal linings for use in the conveyance of raw water, potable water and sewage water for operating temperature up to 50 °C.

ISO 24131-1:2023 Referenced Document

ISO 16631 Ductile iron pipes, fittings, accessories and their joints compatible with plastic (PVC or PE) piping systems, for water applications and for plastic pipeline connections, repair and replacement
ISO 2531 Ductile iron pipes, fittings, accessories and their joints for water applications; Technical Corrigendum 1
ISO 4624 Paints and varnishes. Pull-off test for adhesion*， 2023-06-12 Update
ISO 527-3 Plastics — Determination of tensile properties — Part 3: Test conditions for films and sheets
ISO 62 Plastics - Determination of water absorption
ISO 7186:2011 Ductile iron products for sewerage applications
ISO 8503-1 Preparation of steel substrates before application of paints and related products - Surface roughness characteristics of blast-cleaned steel substrates - Part 1: Specifications and definitions for ISO surface profile comparators for the assessment of abra
ISO 868 Plastics and ebonite - Determination of indentation hardness by means of a durometer (Shore hardness)

2023 ISO 24131-1:2023 Internal protection by polymeric lining for ductile iron pipes — Requirements and test methods — Part 1: Polyurethane lining