INTERNATIONAL STANDARD
First edition 2009-12-01
Corrected version 2010-03-01
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Partie 3:Raccords
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Contents
Foreword ivIntroduction. V1 Normative references.. Scope. 12 3 Terms definitions symbols and abbreviated terms3.1 Terms and definitions 33.2 4 Symbols... Material.4.1 Fitting material. 34.2 4.3 Density. MRS-value. 3 45 General characteristics. 45.1 5.2 Appearance. Colour 4 45.3 Opacity of fittings intended for the conveyanceofwater. 46 6.1 Measurement of dimensions. Geometrical characteristics 4 46.2 6.3 Fittingsfor solvent cementing.. Nominal diameters 4 46.4 Adapter fittings.. 126.5 6.6 Flange adapters and flanges.. Tapping saddles.. .17 146.7 6.8 Elastomericring sealfittings .29 207 Classification and operating conditions. .297.1 7.2 Classification.. Selection of nominal pressure and pipe series S for water up to and including 25°C .29 .297.3 Determination of the allowable operating pressure for water up to 45°C 308 8.1 Resistance to internal pressure of fittings or parts of fittings Mechanical characteristics. .30 308.2 Crushing test. 319 Physical characteristics.. 3110 Sealing rings. Adhesives. 3211 12 Performance requirements. 32 .3213 Marking. .3213.1 13.2 General Minimum required marking 32 3213.3 Additional marking. .33Annex A (normative) Imperial(inch)-sized fittings... .34Bibliography.. .37
Foreword
(ISO member bodies). The work of preparing Intermational Standards is normally carried out through ISOestablished has the right to be represented on that mittee. International organizations govemmental andnon-governmental in liaison with ISO also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives Part 2.
The main task of technical mittees is to prepare Intermational Stande adopted by the technical mittees are circulated to the member bodies for voting. Publication as an ards.Draft International StandardsInternational Standard requires approval by at least 75 % of the member bodies casting a vote.
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 1452-3 was prepared by the European Committee Standardization (CEN) Technical CommitteeCEN/TC 155 Plastics piping systems and ducting systems in collaboration with ISO Technical Committeeand fittings for water supplies in accordance with the Agreement on technical cooperation between ISO and CEN (Vienna Agreement).
This frst edition cancels and replaces ISO4422-3:1996 ISO 264:1976 ISO 264:1976/Add.1:1982 ISO 2045:1988 ISO 2048:1990 ISQ 3460:1975 ISO 4434:1977 and ISO 6455:1983 which have beentechnically revised.
for buried and above-ground drainage and sewerage under pressure -Unplasticized poly(vinyf chloride)(PVC-U):
Guidance for the assessment of conformity is to form the subject of a part 7.
This corrected version of ISO 1452-3:2009 incorporates the correction of Figure 8 c).
Introduction
ponents made from unplasticized poly(vinyl chloride) (PVC-U). The piping system is intended to be usedfor water supply and for buried and above-ground drainage and sewerage under pressure.
In respect of potential adverse effects on the quality of water intended for human consumption caused by theproducts covered by this part of ISO 1452 the following are relevant.
b)Existing national regulations concerning the use and/or the of these products remain in
a)This part of ISO 1452 provides no information as to whether the products may be used without restriction.
force.
Requirements and test methods for material and ponents other than fittings are specified in ISO 1452-1 ISO 1452-5.
This part of ISO 1452 specifies the characteristics ittings.
Guidance for installation is given in ISO/TR 4191[1]
Guidance for the assessment of conformity is provided in ENV 1452-7[21
For the convenience of users of this part of ISO 1452 marking on fittings and flanges according to withdrawn International Standards (e.g. ISO 4422-3:1996) may be considered valid for a period e.g. up to three yearsfrom the date of publication of this part of ISO 1452.
