SIST EN 17962:2025

SLOVENSKI STANDARD
oSIST prEN 17962:2023
01-junij-2023
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: prEN 17962
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
oSIST prEN 17962:2023 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

oSIST prEN 17962:2023
oSIST prEN 17962:2023
DRAFT
EUROPEAN STANDARD
prEN 17962
NORME EUROPÉENNE
EUROPÄISCHE NORM
March 2023
ICS 91.140.60; 23.060.50; 23.040.45
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
Sicherungseinrichtungen zum Schutz des Trinkwassers
gegen Verschmutzung durch Rückfließen -
Kunststoffteile und -gehäuse unter Innendruck und
ohne äußere Beanspruchungen
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 164.
If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are
aware and to provide supporting documentation.

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2023 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 17962:2023 E
worldwide for CEN national Members.

oSIST prEN 17962:2023
prEN 17962:2023 (E)
Contents Page
European foreword . 3
1 Scope . 4
2 Normative references . 4
3 Terms and definitions . 5
4 Materials . 5
5 Design . 6
5.1 Metallic housings with attached polymer parts . 6
5.2 Full polymer housings . 6
6 Testing . 6
6.1 General . 6
6.2 Tolerance of set parameters . 7
6.3 Resistance to thermal shocks . 7
6.3.1 Requirement . 7
6.3.2 Test procedure for devices in PWC installations . 7
6.3.3 Test procedure for devices in PWH installations . 8
6.4 Static pressure strength and tightness of the device . 9
6.4.1 Requirements . 9
6.4.2 Test procedure . 9
6.5 Dynamic pressure test . 10
6.5.1 Requirements . 10
6.5.2 Test procedure . 10
6.6 Tightness test . 11
6.6.1 Requirements . 11
6.6.2 Test procedure . 11
Annex A (normative) List of normative references . 12

oSIST prEN 17962:2023
prEN 17962:2023 (E)
European foreword
This document (prEN 17962:2023) has been prepared by Technical Committee CEN/TC 164 “Water
supply”, the secretariat of which is held by AFNOR.
This document is currently submitted to the CEN Enquiry.
oSIST prEN 17962:2023
prEN 17962:2023 (E)
1 Scope
This document specifies additional requirements to the product standards given in Annex A for valves,
fittings and devices with polymer parts and housings under internal pressure and without external
loads intended for installations and apparatus 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 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 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

1 Except CA class “b” with polymer housing.
oSIST prEN 17962:2023
prEN 17962:2023 (E)
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
at
...