ISO/PAS 22101-1:2022

DRAFT INTERNATIONAL STANDARD
ISO/DIS 22101-1
ISO/TC 138/SC 3 Secretariat: UNI
Voting begins on: Voting terminates on:
2020-07-22 2020-10-14
Polyethylene reinforced with short glass fibres (PE-sGF)
piping systems for industrial applications —
Part 1:
General
ICS: 23.040.01
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ISO/DIS 22101-1:2020(E)
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PROVIDE SUPPORTING DOCUMENTATION. ISO 2020

ISO/DIS 22101-1:2020(E)
© ISO 2020
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ISO/DIS 22101-1:2020(E)
Contents Page
Foreword .iv
Introduction .v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 2
3.1 Definitions related to geometrical characteristics . 3
3.2 Definitions of materials . 4
3.3 Definitions related to material characteristics . 5
3.4 Definitions related to service conditions . 6
4 Symbols and abbreviated terms . 6
4.1 Symbols . 6
4.2 Abbreviated terms . 7
5 Material . 7
5.1 PE compound . 7
5.2 Short glass fibres . 7
5.3 Coupling agent . 8
5.4 PE-sGF compound . 8
5.5 Colour .10
5.6 Designation and classification .10
5.7 Design coefficient and design stress .10
Annex A (informative) Specific characteristics for determination of long term strength
of polyethylene reinforced with short glass fibres (PE-sGF) piping systems for
industrial applications .11
Annex B (informative) Pressure reduction coefficient .13
Annex C (informative) PE-sGF winding process .14
Bibliography .16
ISO/DIS 22101-1:2020(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out
through ISO technical committees. Each member body interested in a subject for which a technical
committee has been established has the right to be represented on that committee. International
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ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of
electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are
described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the
different types of ISO documents should be noted. This document was drafted in accordance with the
editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of
any patent rights identified during the development of the document will be in the Introduction and/or
on the ISO list of patent declarations received (see www .iso .org/ patents).
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expressions related to conformity assessment, as well as information about ISO's adherence to the
World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/
iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 138, Plastics pipes, fittings and valves for
the transport of fluids, Subcommittee SC 03, Plastics pipes and fittings for industrial applications.
ISO 22101 consists of the following parts, under the general title Polyethylene reinforced with short glass
fibres (PE-sGF) piping systems for industrial applications
Part 1: General
Part 2: Pipes
Part 3: Fittings
Part 5: Fitness for purpose of the system
Any feedback or questions on this document should be directed to the user’s national standards body. A
complete listing of these bodies can be found at www .iso .org/ members .html.
iv © ISO 2020 – All rights reserved

ISO/DIS 22101-1:2020(E)
Introduction
The pipe systems which consist of pipes produced by adding short glass fibres into high density
polyethylene resins are called polyethylene reinforced with short glass fibres (PE-sGF) piping systems.
The physical and mechanical properties are influenced by short glass fibre orientation. This document
is applicable to pipe inside diameter from 200 mm to 2000 mm with integrated socket and spigot
fusion joint.
The technology of production of PE-sGF pipes is completely different than the traditional one, used
during the PE pipes extrusion, for this reason this document makes reference to SIDR. To prevent the
confusion, the parameter SDR, commonly used for PE products, has been deleted from the document.
The PE-sGF system is intended to be used for general purpose fluids supply (e.g.: chemical plants,
industrial sewerage engineering, power plants, agricultural production plants, water treatment).
For the material subject of this document the mechanical performances are obtained on the basis of
standards dedicated to thermoplastics, the geometrical characteristics are defined exclusively for this
material in analogy to ISO 4065 [1].
DRAFT INTERNATIONAL STANDARD ISO/DIS 22101-1:2020(E)
Polyethylene reinforced with short glass fibres (PE-sGF)
piping systems for industrial applications —
Part 1:
General
1 Scope
This International Standard specifies the general aspects of short glass fibre reinforced polyethylene
(PE-sGF) piping systems manufactured by spiral cross winding method used in above and below
ground for the conveyance of fluids for industrial and agricultural use shown below:
— Chemical plant;
— Industrial sewerage engineering;
— Power engineering (cooling and general-purpose water supply );
— Agricultural production plants;
— Water treatment;
— Small hydraulic power plant (general-purpose water supply);
In conjunction with the other parts of ISO 22101, it applies to PE-sGF pipes, fittings and their joints with
each other, with other PE-sGF components, and to components from other materials intended for use
under the following conditions:
a) allowable operating pressure (PFA) up to and including 25 bar;
b) operating temperature of 20°C as the reference temperature.
NOTE 1 For other operating temperature, guidance is given in Annex B
NOTE 2 If needed, national regulations for specific applications (e.g. water treatment) apply. This standard is
not applicable to drinking water application.
Other application areas are permitted if the requirements of this International Standard and/or
applicable national requirements are fulfilled.
National regulations in respect of fire behaviour and explosion risk are applicable. This document is
covering only PE-sGF using glass fibre with lengths comprised in the range between 2 and 5 mm.
Components conforming to any of the product standards listed in the bibliography or with national
standards, as applicable, may be used with components conforming to this International Standard,
provided that they conform to the requirements for joint dimensions and to the relevant requirements
of this International Standard.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
ISO 3, Preferred numbers — Series of preferred numbers
ISO/DIS 22101-1:2020(E)
ISO 179-1, Plastics — Determination of Charpy impact properties — Part 1: Non-instrumented impact test
ISO 497, Guide to the choice of series of preferred numbers and of series containing more rounded values of
preferred numbers
ISO 527-1, Plastics — Determination of tensile properties — Part 1: General principles
ISO 1133-1, Plastics — Determination of the melt mass-flow rate (MFR) and melt volume-flow rate (MVR)
of thermoplastics — Part 1: Standard method
ISO 1183-1, Plastics — Methods for determining the density of non-cellular plastics — Part 1: Immersion
method, liquid pycnometer method and titration method
ISO 1183-2, Plastics — Methods for determining the density of non-cellular plastics — Part 2: Density
gradient column method
ISO 1887, Textile glass — Determination of combustible-matter content
ISO 1888, Textile glass — Staple fibres or filaments — Determination of average diameter
ISO 2078, Textile glass — Yarns — Designation
ISO 3344, Reinforcement products — Determination of moisture content
ISO 4427-1, Plastics piping systems for water supply and for drainage and sewerage under pressure —
Polyethylene (PE) — Part 1: General
ISO 6259-1, Thermoplastics pipes — Determination of tensile properties — Part 1: General test method
ISO 6259-3, Thermoplastics pipes — Determination of tensile properties — Part 3: Polyolefin pipes
ISO 7510, Plastics piping systems — Glass-reinforced plastics (GRP) components — Determination of the
amounts of constituents
ISO 11357-6, Plastics — Differential scanning calorimetry (DSC) —
...