ISO 21003-3:2008 specifies the characteristics of fittings for multilayer piping systems intended to be used for hot and cold water installations inside buildings for the conveyance of water — whether or not the water is intended for human consumption (domestic systems) or for heating systems — under specified design pressures and temperatures appropriate to the class of application It also specifies the test parameters for the test methods referred to in this part of ISO 21003. ISO 21003 is a reference product standard. It is applicable to multilayer pipes, fittings, their joints, and also to joints with components made of other plastics and non-plastics materials intended to be used for hot and cold water installations. ISO 21003-3 is intended for use only in conjunction with all the other parts of ISO 21003.
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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols and abbreviated terms
5 Material characteristics
5.1 Plastics fitting materials specified in reference product standards
5.2 Plastics fitting materials not specified in reference product standards
5.3 Metallic fitting material
5.4 Influence on water intended for human consumption
6 General characteristics
6.1 Appearance
6.2 Opacity
7 Geometrical characteristics
7.1 General
7.2 Dimensions of sockets for socket weld, electrofusion and solvent-cemented fittings
7.3 Dimensions of metallic fittings
8 Mechanical characteristics of plastics fittings (internal pressure test)
8.1 General
8.2 Plastics fitting materials specified in reference product standards
8.3 Plastics fitting materials not specified in reference product standards
9 Physical and chemical characteristics of plastics fittings
9.1 Plastics fitting materials specified in reference product standards
9.2 Plastics fitting materials not specified in reference product standards
9.3 Sealing elements
10 Performance requirements
11 Marking
11.1 General requirements
11.2 Minimum required marking
Annex A List of reference product standards (normative)
EN 10088-1:2014 Stainless steels - Part 1: List of stainless steels
EN 10088-1:2023 Stainless steels - Part 1: List of stainless steels
EN 10226-1:2004 Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation
EN 10088-1:2014 Stainless steels - Part 1: List of stainless steels
EN 10088-1:2023 Stainless steels - Part 1: List of stainless steels
EN 10226-1:2004 Pipe threads where pressure tight joints are made on the threads - Part 1: Taper external threads and parallel internal threads - Dimensions, tolerances and designation
EN 1254-3:1998 Copper and copper alloys - Plumbing fittings - Part 3: Fittings with compression ends for use with plastics pipes
EN 1254-3:2021 Copper and copper alloys - Plumbing fittings - Part 3: Compression fittings for use with plastics and multilayer pipes
EN 681-1:1996 Elastomeric seals - Materials requirements for pipe joint seals used in water and drainage applications - Part 1: Vulcanized rubber
ISO 1167-1:2006 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids -- Determination of the resistance to internal pressure -- Part 1: General method
ISO 1167-2:2006 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids -- Determination of the resistance to internal pressure -- Part 2: Preparation of pipe test pieces
ISO 1167-3:2007 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids -- Determination of the resistance to internal pressure -- Part 3: Preparation of components
ISO 1167-4:2007 Thermoplastics pipes, fittings and assemblies for the conveyance of fluids -- Determination of the resistance to internal pressure -- Part 4: Preparation of assemblies
ISO 15874-3:2003 Plastics piping systems for hot and cold water installations -- Polypropylene (PP) -- Part 3: Fittings
ISO 15874-3:2013 Plastics piping systems for hot and cold water installations — Polypropylene (PP) — Part 3: Fittings
ISO 15875-3:2003 Plastics piping systems for hot and cold water installations -- Crosslinked polyethylene (PE-X) -- Part 3: Fittings
ISO 15876-3:2003 Plastics piping systems for hot and cold water installations -- Polybutylene (PB) -- Part 3: Fittings
ISO 15876-3:2017 Plastics piping systems for hot and cold water installations — Polybutene (PB) — Part 3: Fittings
ISO 15877-3:2003 Plastics piping systems for hot and cold water installations -- Chlorinated poly(vinyl chloride) (PVC-C) -- Part 3: Fittings
ISO 15877-3:2009 Plastics piping systems for hot and cold water installations — Chlorinated poly(vinyl chloride) (PVC-C) — Part 3: Fittings
ISO 21003-1:2008 Multilayer piping systems for hot and cold water installations inside buildings -- Part 1: General
ISO 21003-2:2008 Multilayer piping systems for hot and cold water installations inside buildings -- Part 2: Pipes
ISO 21003-5:2008 Multilayer piping systems for hot and cold water installations inside buildings -- Part 5: Fitness for purpose of the system
ISO 22081:2021 Geometrical product specifications (GPS) — Geometrical tolerancing — General geometrical specifications and general size specifications
ISO 22391-3:2007 Plastics piping systems for hot and cold water installations -- Polyethylene of raised temperature resistance (PE-RT) -- Part 3: Fittings
ISO 22391-3:2009 Plastics piping systems for hot and cold water installations — Polyethylene of raised temperature resistance (PE-RT) — Part 3: Fittings
ISO 228-1:2000 Pipe threads where pressure-tight joints are not made on the threads -- Part 1: Dimensions, tolerances and designation
ISO 2768-1:1989 General tolerances — Part 1: Tolerances for linear and angular dimensions without individual tolerance indications
ISO 3126:2005 Plastics piping systems -- Plastics components -- Determination of dimensions
ISO 6506-1:2014 Metallic materials — Brinell hardness test — Part 1: Test method
ISO 6509-1:2014 Corrosion of metals and alloys — Determination of dezincification resistance of copper alloys with zinc — Part 1: Test method
ISO 6957:1988 Copper alloys — Ammonia test for stress corrosion resistance
ISO 7686:2005 Plastics pipes and fittings -- Determination of opacity
ISO 9080:2003 Plastics piping and ducting systems -- Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation
ISO 9080:2012 Plastics piping and ducting systems — Determination of the long-term hydrostatic strength of thermoplastics materials in pipe form by extrapolation