EN 17962:2024
(Main)Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loads
Valves and fittings for buildings and devices to prevent pollution by backflow of potable water - Polymer parts and housings under internal pressure and without external loads
This document specifies additional requirements to the product standards given in Clause 5 for valves and devices to prevent pollution by backflow of potable water with polymer parts and housings under internal pressure and without external loads intended for installations and equipment inside buildings conveying water for human consumption.
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen - Kunststoffteile und ‑gehäuse unter Innendruck und ohne äußere Beanspruchungen
Dieses Dokument legt zusätzliche Anforderungen zu den in Abschnitt 5 aufgeführten Produktnormen für Sicherheitseinrichtungen fest, die dem Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen dienen, die Kunststoffteile und gehäuse unter Innendruck und ohne äußere Beanspruchungen enthalten und die für Trinkwasser-Installationen und Einrichtungen bestimmt sind.
Robinets et raccords pour les bâtiments et dispositifs de protection contre la pollution par retour de l’eau potable - Corps et parties du corps en polymère sous pression interne et sans sollicitations externes
Le présent document spécifie des exigences supplémentaires par rapport aux normes de produits indiquées à l’Article 5 pour les robinets et dispositifs de protection contre la pollution par retour de l’eau potable avec des corps et parties du corps en polymère sous pression interne et sans sollicitations externes destinés à des installations et des équipements à l’intérieur des bâtiments pour l’eau destinée à la consommation humaine.
Ventili in fitingi za stavbe in naprave za varovanje pred onesnaženjem pitne vode zaradi povratnega toka - Deli iz polimerov in ohišja pod notranjim tlakom in brez zunanjih obremenitev
General Information
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SLOVENSKI STANDARD
01-februar-2025
Ventili in fitingi za stavbe in naprave za varovanje pred onesnaženjem pitne vode
zaradi povratnega toka - Deli iz polimerov in ohišja pod notranjim tlakom in brez
zunanjih obremenitev
Valves and fittings for buildings and devices to prevent pollution by backflow of potable
water - Polymer parts and housings under internal pressure and without external loads
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch
Rückfließen - Kunststoffteile und -gehäuse unter Innendruck und ohne äußere
Beanspruchungen
Robinets et raccords pour les bâtiments et dispositifs de protection contre la pollution par
retour de l’eau potable - Éléments et corps en polymère sous pression interne et sans
sollicitations externes
Ta slovenski standard je istoveten z: EN 17962:2024
ICS:
13.060.20 Pitna voda Drinking water
23.040.45 Fitingi iz polimernih Plastics fittings
materialov
23.060.50 Blokirni ventili Check valves
91.140.60 Sistemi za oskrbo z vodo Water supply systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EN 17962
EUROPEAN STANDARD
NORME EUROPÉENNE
December 2024
EUROPÄISCHE NORM
ICS 13.060.20; 23.060.50
English Version
Valves and fittings for buildings and devices to prevent
pollution by backflow of potable water - Polymer parts and
housings under internal pressure and without external
loads
Robinets et raccords pour les bâtiments et dispositifs Sicherungseinrichtungen zum Schutz des Trinkwassers
de protection contre la pollution par retour de l'eau gegen Verschmutzung durch Rückfließen -
potable - Corps et parties du corps en polymère sous Kunststoffteile und -gehäuse unter Innendruck und
pression interne et sans sollicitations externes ohne äußere Beanspruchungen
This European Standard was approved by CEN on 11 November 2024.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this
European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN
member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by
translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management
Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,
Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and
United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2024 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 17962:2024 E
worldwide for CEN national Members.
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Materials . 6
5 Product standards . 6
6 Design . 7
6.1 Metallic housings with attached polymer parts . 7
6.2 Full polymer housings . 7
7 Testing . 8
7.1 General. 8
7.2 Tolerance of set parameters . 8
7.3 Resistance to thermal shocks . 8
7.3.1 Requirement . 8
7.3.2 Test procedure for devices in PWC installations . 9
7.3.3 Test procedure for devices in PWH installations . 9
7.4 Static pressure test . 10
7.4.1 Requirements . 10
7.4.2 Test procedure . 10
7.5 Dynamic pressure test . 11
7.5.1 Requirements . 11
7.5.2 Test procedure . 11
7.6 Tightness test . 12
7.6.1 Requirements . 12
7.6.2 Test procedure . 12
8 Technical documentation . 12
European foreword
This document (EN 17962:2024) has been prepared by Technical Committee CEN/TC 164 “Water
supply”, the secretariat of which is held by AFNOR.
This European Standard shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by June 2025, and conflicting national standards shall be
withdrawn at the latest by June 2025.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN shall not be held responsible for identifying any or all such patent rights.
Any feedback and questions on this document should be directed to the users’ national standards body.
A complete listing of these bodies can be found on the CEN website.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,
Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,
Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of
North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Türkiye and the
United Kingdom.
1 Scope
This document specifies additional requirements to the product standards given in Clause 5 for valves
and devices to prevent pollution by backflow of potable water with polymer parts and housings under
internal pressure and without external loads intended for installations and equipment inside buildings
conveying water for human consumption.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their content
constitutes requirements of this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including any amendments) applies.
EN 806-1, Specifications for installations inside buildings conveying water for human consumption —
Part 1: General
EN 806-2, Specification for installations inside buildings conveying water for human consumption —
Part 2: Design
EN 1213, Building valves — Copper alloy stop valves for potable water supply in buildings — Tests and
requirements
EN 1487, Building valves — Hydraulic safety groups — Tests and requirements
EN 1488, Building valves — Expansion groups — Tests and requirements
EN 1489, Building valves — Pressure safety valves — Tests and requirements
EN 1490, Building valves — Combined temperature and pressure relief valves — Tests and requirements
EN 1491, Building valves — Expansion valves — Tests and requirements
EN 1567, Building valves — Water pressure reducing valves and combination water pressure reducing
valves — Requirements and tests
EN 1717, Protection against pollution of potable water in water installations and general requirements of
devices to prevent pollution by backflow
EN 12729, Devices to prevent pollution by backflow of potable water — Controllable backflow preventer
with reduced pressure zone — Family B, Type A
EN 13433, Devices to prevent pollution by backflow of potable water — Mechanical disconnector direct
actuated — Family G, Type A
EN 13434, Devices to prevent pollution by backflow of potable water — Mechanical disconnector flow
actuated — Family G, Type B
EN 13828, Building valves — Manually operated copper alloy and stainless steel ball valves for potable
water supply in buildings — Tests and requirements
EN 13959, Anti-pollution check valves — DN 6 to DN 250 inclusive family E, type A, B, C and D
EN 14367, Non controllable backflow preventer with different pressure zones — Family C, type A
EN 14451, Devices to prevent pollution by backflow of potable water — In-line anti-vacuum valves DN 10
to DN 50 inclusive — Family D, type A
EN 14452, Devices to prevent pollution by backflow of potable water — Pipe interrupter with atmospheric
vent and moving element DN 10 to DN 20 — Family D, Type B
EN 14453, Devices to prevent pollution by backflow of potable water — Pipe interrupter with permanent
atmospheric vent DN 10 to DN 20 — Family D, Type C
EN 14454, Devices to prevent pollution by backflow of potable water — Hose union backflow preventer
DN 15 to DN 32 — Family H, Type A
EN 14455, Devices to prevent pollution by backflow of potable water — Presssurised air inlet valves DN 15
to DN 50 — Family L, type A and type B
EN 14506, Devices to prevent pollution by backflow of potable water — Automatic diverter — Family H,
Type C
EN 14622, Devices to prevent pollution by backflow of potable water — Air gap with circular overflow
(restricted) — Family A, Type F
EN 14623, Devices to prevent pollution by backflow of potable water — Air gaps with minimum circular
overflow (verified by test or measurement) — Family A, type G
EN 15092, Building valves — Inline hot water supply tempering valves — Tests and requirements
EN 15096, Devices to prevent pollution by backflow of potable water — Hose union anti-vacuum valves —
DN 15 to DN 25 inclusive Family H, Type B and Type D — General technical specification
3 Terms and definitions
For the purposes of this document, the terms and definitions given in EN 806-1, EN 1717 and the
following apply.
ISO and IEC maintain terminology databases for use in standardization at the following addresses:
— ISO Online browsing platform: available at https://www.iso.org/obp/
— IEC Electropedia: available at https://www.electropedia.org/
3.1
housing
body of the device which is submitted to internal pressure and to e.g. temperatures, ambient conditions
3.2
polymer part
part of a polymere material that can also be combined with fillers and reinforcing materials
3.3
incorporated device
device integrated into appliances, e.g. cleaning apparatus, heating boilers
4 Materials
All materials coming into contact with water intended for human consumption shall present no health
risk nor cause any change to the water in terms of quality, appearance, smell or taste.
NOTE While awaiting the adoption of verifiable European criteria for testing materials in contact with water
intended for human consumption, existing national regulations concerning the use and/or the characteristics of
these products remain in force.
5 Product standards
Applicable product standards and its requirements to be used according to Clause 7.1.
— EN 1213, Building valves — Copper alloy stop valves for potable water supply in buildings — Tests
and requirements
— EN 1487, Building valves — Hydraulic safety groups — Tests and requirements
— EN 1488, Building valves — Expansion groups — Tests
...
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