ISO/TS 22391-7:2018
Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance (PE-RT) — Part 7: Guidance for the assessment of conformity
This document gives requirements and guidance for the assessment of conformity of materials, products, and assemblies in accordance with the applicable part(s) of ISO 22391 intended to be included in the manufacturer's quality plan as part of the quality management system and for the establishment of certification procedures.
NOTE In order to help the reader, a basic test matrix is given in Annex A.
In conjunction with the other parts of ISO 22391 (see Foreword), this document is applicable to polyethylene of raised temperature resistance (PE-RT) piping systems intended to be used for hot and cold water installations within buildings for the conveyance of water, whether or not intended for human consumption (domestic systems) and for heating systems, under design pressures and temperatures appropriate to the class of application (see ISO 22391-1:2009, Table 1).
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 General
6 Testing and inspection
6.1 Grouping
6.1.1 General
6.1.2 Pressure groups
6.1.3 Size groups
6.1.4 Fitting groups
6.2 Type testing (TT)
6.3 Batch release tests (BRT)
6.4 Process verification tests (PVT)
6.5 Audit tests (AT)
6.6 Indirect tests (IT)
6.7 Test records
Annex A (informative) Basic test matrix
Bibliography
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Abbreviated terms
5 General
6 Testing and inspection
6.1 Grouping
6.1.1 General
6.1.2 Pressure groups
6.1.3 Size groups
6.1.4 Fitting groups
6.2 Type testing (TT)
6.3 Batch release tests (BRT)
6.4 Process verification tests (PVT)
6.5 Audit tests (AT)
6.6 Indirect tests (IT)
6.7 Test records
Annex A (informative) Basic test matrix
Bibliography