ISO/TC 138/SC 2 - Plastics pipes and fittings for water supplies

This document specifies the characteristics of pipes (mains, sub-mains and laterals) made from polyethylene (PE), intended for the conveyance of water for irrigation, at a water temperature up to 45 °C. NOTE 1 For the effect of water temperature on the maximum operating pressure, see Annex A. This document applies to pipes that will not be subjected to internal pressure for long periods, and not more than 1 500 hours/year. For piping applications with long-term continuous pressure, the ISO 4427 series applies. NOTE 2 The expected lifetime of pipes covered by this document is ten years or less. This document also specifies the properties of the material and the parameters for the test methods to which it refers.

This document specifies the general aspects of polyethylene (PE) compounds for the manufacture of pressure pipes and fittings (mains and service pipes) for buried or above ground applications, intended for the conveyance of: — water for human consumption; — raw water prior to treatment; — drainage and sewerage under pressure; — vacuum sewer systems; — water for other purposes. This document also specifies the test parameters and requirements for the test methods referred to in this document. In conjunction with other parts of the ISO 4427 series, this document is applicable to PE pipes and fittings, their joints and to joints with components made of PE and other materials, intended to be used under the following conditions: a) a maximum allowable operating pressure (PFA) up to and including 25 bar[1]; b) an operating temperature of 20 °C as the reference temperature. NOTE 1 For other operating temperatures, guidance is given in Annex A. The ISO 4427 series covers a range of maximum allowable operating pressures and gives requirements concerning colours. NOTE 2 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

This document specifies the pipes made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of: — water for human consumption; — raw water prior to treatment; — drainage and sewerage under pressure; — vacuum sewer systems; — water for other purposes. NOTE 1 The intended uses include sea outfalls, laid in water and pipes suspended below bridges. Pipes complying with this document are not intended for the transport of water intended for human consumption in contaminated soils unless special consideration has been taken. NOTE 2 For example, ISO 21004 provides an alternative solution for use in contaminated soils. See Reference [3] in the Bibliography. This document specifies three types of pipe: — PE pipes (outside diameter dn), including any identification stripes; — PE pipes with co-extruded layers on either or both the outside and/or inside of the pipe (total outside diameter dn) where all layers have the same MRS rating; — PE pipes (outside diameter dn) having a peelable and contiguous thermoplastics additional layer on the outside of the pipe ("coated pipe"). This document also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of the ISO 4427 series, this document is applicable to PE pipes, their joints and to joints with components made of PE and other materials, intended to be used under the following conditions: a) a maximum allowable operating pressure (PFA) up to and including 25 bar[1]; b) an operating temperature of 20 °C as the reference temperature. NOTE 3 For other operating temperatures, guidance is given in ISO 4427‑1:2019, Annex A. This document covers a range of maximum allowable operating pressures and gives requirements concerning colours. NOTE 4 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

This document specifies the characteristics of the fitness for purpose of pipes and/or fittings assemblies made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of water for human consumption, raw water prior to treatment, drainage and sewerage under pressure, vacuum sewer systems, and water for other purposes. NOTE 1 The intended uses include sea outfalls, laid in water and pipes suspended below bridges. NOTE 2 This document is intended to be only used by the product manufacturer to assess the performance of components according to ISO 4427‑2 and/or ISO 4427‑3 when joined together under normal and extreme conditions. It is not intended for on-site testing of pipe systems. This document also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of the ISO 4427 series, this document is applicable to PE pipes, fittings, their joints and to joints with components of PE and other materials, intended to be used under the following conditions: a) a maximum allowable operating pressure (PFA) up to and including 25 bar[1]; b) an operating temperature of 20 °C as the reference temperature. NOTE 3 For other operating temperatures, guidance is given in ISO 4427‑1: 2019, Annex A. The ISO 4427 series covers a range of maximum allowable operating pressures and gives requirements concerning colours. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

This document specifies the fittings made from polyethylene (PE) for buried or above ground applications, intended for the conveyance of water for human consumption, raw water prior to treatment, drainage and sewerage under pressure, vacuum sewer systems, and water for other purposes. NOTE 1 The intended uses include sea outfalls, laid in water and connection between pipes suspended below bridges. This document also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of the ISO 4427 series, this document is applicable to PE fittings, to joints with components of PE or other materials, intended to be used under the following conditions: a) a maximum allowable operating pressure (PFA) up to and including 25 bar[1]; b) an operating temperature of 20 °C as the reference temperature. NOTE 2 For other operating temperatures, guidance is given in ISO 4427‑1:2019, Annex A. This document covers a range of maximum allowable operating pressures and gives requirements concerning colours. NOTE 3 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and installation practices or codes. This document is applicable to fittings of the following types: 1. fusion fittings; a. electrofusion fittings; b. spigot end fittings (for butt fusion using heated tools and electrofusion socket fusion); c. socket fusion fittings (see Annex A); 2. mechanical fittings; a. compression fittings; b. flanged fittings; 3. fabricated fittings (see Annex B). [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2.

This document specifies the mating dimensions for thermoplastic flange adapters and corresponding loose backing flanges intended to be used in thermoplastic piping systems for the conveyance of fluids under pressure. It applies to flange adapters and loose backing flanges for use with pipes with nominal outside diameters (dn) from 16 mm to 2 500 mm and nominal pressures up to 25 bar[1] (PN 25). This document specifies the dimensions of the flange adapters intended to be used for: — butt fusion piping systems; — socket fusion piping systems; — adhesive jointed piping systems. NOTE 1 For specific connections with dimensions (e.g. dn450 or dn630) not covered in this document, or specific equipment (butterfly valves), specific solutions are available on the market. This document is applicable to loose backing flanges made from metal, thermoplastics, or a combination of metal and thermoplastics. This document also provides information on gaskets and gives general recommendations on correct assembling practices. NOTE 2 Industrial applications are not covered by this document. Products intended for industrial application are covered by ISO 15493[1], ISO 15494 or ISO 10931[2]. [1] 1 bar = 0,1 MPa = 105 N/m2.

This document gives requirements and guidance for the assessment of conformity of compounds, products, and assemblies in accordance with the applicable part(s) of ISO 21003 intended to be included in the manufacturer's quality plan as part of the quality management system and for the establishment of certification procedures. In conjunction with the other parts of ISO 21003 (see Foreword), this document is applicable to multilayer 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 21003-1:2008, Table 1).

This document gives requirements and guidance for the assessment of conformity of compounds, products, and assemblies in accordance with the applicable part(s) of ISO 15876 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 15876 (see Foreword), this document is applicable to polybutene (PB) 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 15876-1:2017, Table 1).

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 15877 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 15877 (see Foreword), this document is applicable to Chlorinated poly(vinyl chloride) (PVC-C) 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 15877-1:2009, Table 1).

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).

This document gives requirements and guidance for the assessment of conformity of compounds, products, and assemblies in accordance with the applicable part(s) of ISO 15875 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 15875 (see Foreword), this document is applicable to crosslinked polyethylene (PE-X) 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 15875-1:2003, Table 1).

This document gives requirements and guidance for the assessment of conformity of compounds, products, and assemblies in accordance with the applicable part(s) of ISO 15874 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 15874 (see Foreword), this document is applicable to polypropylene (PP) 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 15874-1:2013, Table 1).

ISO 15876-2:2017 specifies the characteristics of pipes for polybutene-1 (PB-1) 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 15876‑1). The designation polybutene is used together with the abbreviation PB throughout this document. ISO 15876-2:2017 covers a range of service conditions (application classes), design pressures and pipe dimension classes. For values of TD, Tmax and Tmal in excess of those in ISO 15876‑1, this document does not apply. NOTE 1 It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes. It also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of ISO 15876, this document is applicable to PB pipes, their joints and to joints with components of PB, other plastics and non-plastics materials intended to be used for hot and cold water installations. It is applicable to pipes with or without (a) barrier layer(s). NOTE 2 In the case of plastics pipes provided with a thin barrier layer, e.g. to prevent or greatly diminish the diffusion of gases and the transmission of light into or through the pipe wall, the design stress requirements are totally met by the base polymer (PB).

ISO 15876-3:2017 specifies the characteristics of fittings for polybutene-1 (PB-1) 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 according to the class of application (see ISO 15876‑1). The designation polybutene is used together with the abbreviation PB throughout this document. ISO 15876-3:2017 covers a range of service conditions (application classes) and design pressure classes. For values of TD, Tmax and Tmal in excess of those in ISO 15876‑1:2016, Table 1, this document does not apply. NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes. It also specifies the parameters for the test methods referred to in this document. In conjunction with the other parts of ISO 15876, this document is applicable to fittings made from PB and to fittings made from other materials which are intended to be fitted to pipes conforming to ISO 15876‑2 for hot and cold water installations, whereby the joints conform to the requirements of ISO 15876‑5. ISO 15876-3:2017 is applicable to fittings of the following types: - socket fusion fittings; - electrofusion fittings; - mechanical fittings; - fittings with incorporated inserts. It is also applicable to fittings made from alternative materials which, when fitted to pipes conforming to ISO 15876‑2, conform to the requirements of ISO 15876‑5.

ISO 15876-1:2017 specifies the general aspects of polybutene-1 (PB-1) 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 according to the class of application (see Table 1). The designation polybutene is used together with the abbreviation PB throughout this document. ISO 15876-1:2017 covers a range of service conditions (application classes) and design pressure and pipe dimension classes. Values of TD, Tmax and Tmal in excess of those in Table 1 do not apply. NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes. It also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of ISO 15876, this document is applicable to PB pipes, fittings, their joints and to joints with components of other plastics and non-plastics materials intended to be used for hot and cold water installations.

ISO 15876-5:2017 specifies the characteristics of the fitness for purpose of polybutene-1 (PB-1) 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 according to the class of application (see ISO 15876‑1). The designation polybutene is used together with the abbreviation PB throughout this document. ISO 15876-5:2017 covers a range of service conditions (application classes) and design pressure classes. For values of TD, Tmax and Tmal in excess of those in ISO 15876‑1:2016, Table 1, this document does not apply. NOTE It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national regulations and installation practices or codes. It also specifies the test parameters for the test methods referred to in this document. In conjunction with the other parts of ISO 15876, it is applicable to PB pipes, fittings, their joints and to joints with components of other plastics and non-plastics materials intended to be used for hot and cold water installations.

ISO 16422:2014 specifies the requirements of pipes and joints made of oriented unplasticized poly(vinyl chloride) (PVC-O), for piping systems intended to be used underground or above-ground where not exposed to direct sunlight, for water mains and services, pressurized sewer systems and irrigation systems. The piping system according to ISO 16422:2014 is intended for the conveyance of cold water under pressure, for drinking water and for general purposes up to and including 45 °C, and especially in those applications where special performance requirements are needed, such as impact loads and pressure fluctuations, up to pressure of 25 bars[1]. Joints constructed of other materials should meet their own relevant standards in addition to the fitness-for-purpose requirements of ISO 16422:2014. [1] 1 bar = 0,1 MPa = 105 Pa; 1 MPa = 1 N/mm2

ISO/TR 4191:2014 gives recommended practices for installation of unplasticized poly(vinyl chloride) (PVC-U) and oriented unplasticized poly(vinyl chloride) (PVC-O) pipes, fittings, valves, and ancillaries when used in piping systems conveying water under pressure. The recommendations are intended to give practical guidance of design and installation of piping systems incorporating pipes, fittings, valves, and ancillary equipment made from PVC materials and used for the following purposes: water mains and services buried in ground, waste water under pressure, and conveyance of water above ground for both outside and inside buildings, for the supply of water under pressure at approximately 20 °C (cold water) intended for human consumption and for general purposes. ISO/TR 4191:2014 is also applicable to components for the conveyance of water up to and including 45 °C. For temperatures between 25 °C and 45 °C, Figure 1 of ISO 1452‑2:2009 applies. In addition, recommendations are given for the connection to fittings, valves, and ancillary equipment made from materials other than PVC.

ISO 15874-1:2013 specifies the general aspects of polypropylene (PP) 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 according to the class of application. It covers a range of service conditions (classes of application), design pressures and pipe dimension classes. It also specifies test parameters for test methods. In conjunction with the other parts of ISO 15874, ISO 15874-1:2013 is applicable to PP pipes, fittings, their joints and to joints with components of other plastics and non-plastics materials intended to be used for hot and cold water installations.

ISO 15874-5:2013 specifies the characteristics of the fitness for purpose of polypropylene (PP) 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 according to the class of application. It covers a range of service conditions (classes of application) and design pressure classes. It also specifies test parameters for test methods. In conjunction with the other parts of ISO 15874, it is applicable to PP pipes, fittings, their joints and to joints with components of other plastics and non-plastics materials intended to be used for hot and cold water installations.

ISO 15874-2:2013 specifies the requirements of pipes made from polypropylene (PP) for 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 operating pressures and temperatures appropriate to the class of application. It covers a range of service conditions (application classes), design pressures and pipe dimension classes. It also specifies test parameters for test methods. In conjunction with the other parts of ISO 15874, ISO 15874-2:2013 is applicable to PP pipes, their joints and to joints with components of PP, other plastics and non-plastics materials intended to be used for hot and cold water installations. It is applicable to pipes with or without (a) barrier layer(s).

ISO/TR 27165:2012 provides definitions for wall constructions of thermoplastics pipes intended to be used in pressure and non-pressure pipe applications. It takes into account as far as possible already existing definitions in published product standards and gives guidance for a common text when drafting new deliverables or revising existing ones.