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BS ISO 17885:2021

BS ISO 17885:2021

$189.07

Plastics piping systems. Mechanical fittings for pressure piping systems. Specifications

Published By Publication Date Number of Pages
BSI 2021 50
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This document specifies the requirements and test methods for mechanical fittings intended to join plastic pressure piping systems including transition fittings to metal pipes for the following:

  • supply of gaseous fuels (GAS);

  • supply of water for human consumption (W), including raw water prior to treatment and for the supply of water for general purposes, as well as underground drainage and sewerage under pressure (P);

  • supply of water for irrigation (I);

  • industrial applications (IS).

This document is applicable only to mechanical fittings with operating-temperature and pressure limits as indicated in the relevant systems standards.

NOTE

A list of International Standards for plastic pipes for which mechanical fittings can be used can be found in Annex A.

Flanges are not covered by this document.

Mechanical fittings for hot and cold water systems inside buildings, as well as for district heating applications, are not covered by this document.

PDF Catalog

PDF Pages PDF Title
2 National foreword
7 Foreword
9 Introduction
11 1 Scope
2 Normative references
13 3 Terms, definitions, symbols and abbreviated terms
3.1 Terms and definitions
15 3.2 Symbols and abbreviated terms
3.2.1 Materials
16 3.2.2 Applications
4 Manufacturers’ declaration for the field of application
5 Material
5.1 General
17 5.2 Plastic materials
18 5.3 Metals
19 5.4 Elastomers
20 5.5 Lubricants and/or greases
6 General characteristics
6.1 Appearance
6.2 Colour
6.3 Weathering protection
6.4 Threads
6.5 Transition fittings to metal pipes
6.6 Combined fittings
21 6.7 Twisting
7 Geometrical characteristics
8 Physical characteristics
8.1 Evaluation of the MRS value of the plastic material
8.2 Verification of long-term behaviour of the plastic material
8.3 Specific material related characteristics of fitting materials
22 8.4 Application-related characteristics
8.4.1 Effect on water quality (W)
8.4.2 Resistance to gas constituents (GAS)
23 8.4.3 Chemical resistance of fittings for industrial applications (IS)
9 Performance requirements
9.1 General
9.2 Pressure resistance of the fitting body
9.2.1 Preparation of test piece
24 9.2.2 Testing of pressure resistance
9.3 Fitting assemblies
9.3.1 Preparation of test assemblies
9.3.2 Test scheme
26 9.3.3 Requirements
35 10 Marking
11 Packaging
36 Annex A (informative) List of standards
37 Annex B (normative) Stiffener requirements
38 Annex C (normative) Test pressure of materials and fitting bodies
40 Annex D (normative) Physical characteristics of fitting materials
44 Annex E (normative) Resistance to gas constituents
45 Annex F (normative) Test stresses
47 Annex G (normative) Cyclic test procedure
48 Bibliography

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BS ISO 17885:2021
$189.07