SIST EN 15096:2020
(Main)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
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
This European Standard specifies:
a) the field of application;
b) the requirements of hose union anti vacuum valves;
c) dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and acous-tic design of hose union anti-vacuum valves of nominal sizes DN 15 up to and including DN 25;
d) marking and technical product information.
This standard specifies the characteristics of hose union anti-vacuum valves of nominal size DN 15 up to and including DN 25 that are suitable for use in drinking water systems at pressures up to and including 1 MPa (10 bar) and temperatures up to and including 65 °C and for 1 h at 90 °C.
HB protects against back siphonage only and should be installed in vertical downward flowposition.
HB and HD anti-vacuum valves are for installation exclusively at the connecting point between stop valve and hose in vertical downward flow position.
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch Rückfließen - Rohrbelüfter für Schlauchanschlüsse - DN 15 bis DN 25, Familie H, Typ B und Typ D - Allgemeine technische Bestimmungen
Dieses Dokument legt Folgendes fest:
a) Anwendungsbereich;
b) Anforderungen an Rohrbelüfter für Schlauchanschlüsse;
c) maßliche, physikalischchemische Eigenschaften und Eigenschaften allgemeiner hydraulischer, mechanischer und akustischer Art von Rohrbelüftern für Schlauchanschlüsse der Nennweiten DN 15 bis DN 25;
d) Kennzeichnung und technische Produktinformation.
Dieses Dokument legt die Eigenschaften von Rohrbelüftern für Schlauchanschlüsse der Nennweiten DN 15 bis DN 25 fest, die für die Verwendung in Trinkwasserversorgungsanlagen bei Drücken bis 1 MPa (10 bar) und Temperaturen bis 65 °C sowie für 1 h bei 90 °C geeignet sind.
Rohrbelüfter HB schützen nur gegen Rücksaugen und sollten senkrecht nach unten installiert werden.
Rohrbelüfter HB und HD sind nur für den Einbau am Anschluss zwischen Vorabsperrung (Absperrventil) und Schlauch bestimmt, senkrecht nach unten gerichtet.
Dispositifs de protection contre la pollution de l'eau potable par retour - Soupapes anti-vide d'extrémité - DN 15 à DN 25 inclus Famille H, type B et type D - Spécification technique générale
Le présent document spécifie :
a) le domaine d’application ;
b) les exigences relatives aux soupapes anti-vide d’extrémité ;
c) les caractéristiques dimensionnelles, physico-chimiques, ainsi que les caractéristiques de conception hydraulique, mécanique et acoustique générales des soupapes anti-vide d’extrémité de dimension nominale DN 15 à DN 25 inclus ;
d) le marquage et les informations techniques sur le produit.
Le présent document spécifie les caractéristiques des soupapes anti-vide d’extrémité de dimension nominale DN 15 à DN 25 inclus, qui conviennent à une utilisation dans des réseaux d’eau potable à des pressions jusqu’à 1 MPa (10 bar) et des températures jusqu’à 65 °C et durant 1 h à 90 °C.
La soupape HB protège uniquement contre le siphonnage et est installée de façon à assurer un écoulement vertical descendant.
La soupape HD protège contre le retour d’eau et est installée de façon à assurer un écoulement vertical descendant.
Les soupapes anti-vide HB et HD sont prévues pour être installées exclusivement au point de raccordement entre le robinet d’arrêt et le flexible de façon à assurer un écoulement vertical descendant.
Naprave za varovanje pred onesnaženjem pitne vode zaradi povratnega toka - Ventili za preprečevanje podtlaka v pregibnih ceveh - DN 15 do DN 25, vključno z družino H, vrsto B in vrsto D - Splošna tehnična specifikacija
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 15096:2020
01-september-2020
Nadomešča:
SIST EN 15096:2009
Naprave za varovanje pred onesnaženjem pitne vode zaradi povratnega toka -
Ventili za preprečevanje podtlaka v pregibnih ceveh - DN 15 do DN 25, vključno z
družino H, vrsto B in vrsto D - Splošna tehnična specifikacija
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
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch
Rückfließen - Rohrbelüfter für Schlauchanschlüsse - DN 15 bis DN 25, Familie H, Typ B
und Typ D - Allgemeine technische Bestimmungen
Dispositifs de protection contre la pollution de l'eau potable par retour - Soupapes anti-
vide d'extrémité - DN 15 à DN 25 inclus Famille H, type B et type D - Spécification
technique générale
Ta slovenski standard je istoveten z: EN 15096:2020
ICS:
13.060.20 Pitna voda Drinking water
23.060.01 Ventili na splošno Valves in general
91.140.60 Sistemi za oskrbo z vodo Water supply systems
SIST EN 15096:2020 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 15096:2020
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SIST EN 15096:2020
EN 15096
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2020
EUROPÄISCHE NORM
ICS 13.060.20; 23.060.01 Supersedes EN 15096:2008
English Version
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
Dispositifs de protection contre la pollution par retour Sicherungseinrichtungen zum Schutz des Trinkwassers
de l'eau potable - Soupapes anti-vide d'extrémité - DN gegen Verschmutzung durch Rückfließen -
15 à DN 25 inclus Famille H, type B et type D - Rohrbelüfter für Schlauchanschlüsse - DN 15 bis DN
Spécifications techniques générales 25, Familie H, Typ B und Typ D - Allgemeine technische
Bestimmungen
This European Standard was approved by CEN on 24 May 2020.
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, Turkey 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
© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 15096:2020 E
worldwide for CEN national Members.
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SIST EN 15096:2020
EN 15096:2020 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Nominal size . 7
5 Designation. 8
6 Marking and technical product information . 8
6.1 General . 8
6.2 Marking . 8
6.3 Technical product information . 9
7 Graphic symbol . 9
8 General design characteristics . 9
8.1 Design principle . 9
8.2 Connections . 11
8.3 Check valve . 11
9 Materials and surface finishes . 11
9.1 General . 11
9.2 Materials . 11
9.3 Corrosion resistance . 11
10 Characteristics and tests . 12
10.1 General . 12
10.2 Test sequence . 12
10.3 Visual verification (stage 1) . 12
10.3.1 Procedure. 12
10.3.2 Verification of the dimensional requirements of air inlets . 13
10.4 Bending moment and tightness test of HB element (stage 2) . 13
10.4.1 Tightness test equipment . 13
10.4.2 Bending moment, mechanical strength of the body and static high pressure leak
tightness test . 14
10.4.3 Static low pressure tightness test . 14
10.4.4 Dynamic low pressure tightness test . 15
10.5 Flow rate (stage 3) . 15
10.5.1 Flow rate testing equipment . 15
10.5.2 Procedure. 16
10.5.3 Requirement . 16
10.6 Opening pressure test (stage 4) . 16
10.6.1 Test equipment . 16
10.6.2 Procedure. 17
10.6.3 Requirements . 17
10.7 Endurance test (stage 5) . 17
10.7.1 General . 17
10.7.2 Endurance test equipment . 18
2
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SIST EN 15096:2020
EN 15096:2020 (E)
10.7.3 Dynamic test (test device 1) . 18
10.7.4 Endurance test; static, low pressure (test device 2) . 19
10.7.5 Endurance testing; 14 days (test device 3) . 20
10.8 Vacuum test (stage 6) . 21
10.8.1 General . 21
10.8.2 Backsyphonage test . 21
10.8.3 Efficiency of the air inlets . 22
10.9 Tightness test (stage 7) . 22
11 Acoustic characteristics . 22
11.1 General . 22
11.2 Procedure . 22
11.2.1 Mounting and operating conditions. 22
11.2.2 Test methods . 22
11.3 Test criteria . 23
11.3.1 Expression of the results . 23
11.3.2 Noise classification . 23
Annex A (informative) Tests and sampling . 24
3
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SIST EN 15096:2020
EN 15096:2020 (E)
European foreword
This document (EN 15096:2020) has been prepared by Technical Committee CEN/TC 164 “Water
supply”, the secretariat of which is held by AFNOR.
This document shall be given the status of a national standard, either by publication of an identical text
or by endorsement, at the latest by December 2020, and conflicting national standards shall be
withdrawn at the latest by December 2020.
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.
This document supersedes EN 15096:2008.
In comparison with the previous edition, the following changes have been made:
a) title changed;
b) scope of application revised;
c) Clause 2 updated;
d) nominal size range in Clause 4 restricted;
e) Clause 9 adapted.
This document has been developed in reference with EN 1717.
According to the CEN-CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to implement this document: 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, Turkey and the United
Kingdom.
4
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SIST EN 15096:2020
EN 15096:2020 (E)
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption caused
by the product covered by this document:
a) this document provides no information as to whether the product may be used without restriction in
any of the Member States of the EU or EFTA;
b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing national
regulations concerning the use and/or the characteristics of this product remain in force.
5
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SIST EN 15096:2020
EN 15096:2020 (E)
1 Scope
This document specifies:
a) the field of application;
b) the requirements of hose union anti vacuum valves;
c) dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and
acoustic design of hose union anti-vacuum valves of nominal sizes DN 15 up to and including DN 25;
d) marking and technical product information.
This document specifies the characteristics of hose union anti-vacuum valves of nominal size DN 15 up
to and including DN 25 that are suitable for use in drinking water systems at pressures up to and
including 1 MPa (10 bar) and temperatures up to and including 65 °C and for 1 h at 90 °C.
HB protects against back siphonage only and is installed in vertical downward flow position.
HD protects against back flow and is installed in vertical downward flow position.
HB and HD anti-vacuum valves are for installation exclusively at the connecting point between stop valve
and hose in vertical downward flow position.
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 1717:2000, Protection against pollution of potable water in water installations and general
requirements of devices to prevent pollution by backflow
EN 13959, Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions,
tolerances and designation (ISO 228-1)
EN ISO 3822-1, Acoustics - Laboratory tests on noise emission from appliances and equipment used in water
supply installations - Part 1: Method of measurement (ISO 3822-1)
EN ISO 3822-3, Acoustics - Laboratory tests on noise emission from appliances and equipment used in water
supply installations - Part 3: Mounting and operating conditions for in-line valves and appliances (ISO 3822-
3)
EN ISO 5167-1, Measurement of fluid flow by means of pressure differential devices inserted in circular
cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1)
EN ISO 6509-1, Corrosion of metals and alloys - Determination of dezincification resistance of copper alloys
with zinc - Part 1: Test method (ISO 6509-1)
EN 248, Sanitary tapware - General specification for electrodeposited coatings of Ni-Cr
6
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SIST EN 15096:2020
EN 15096:2020 (E)
3 Terms and definitions
For the purposes of this document, the terms and definitions in EN 1717:2000 and the following apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at https://www.iso.org/obp
3.1
hose union anti-vacuum valve HB
valve equipped with air inlet ports, which are closed at zero flow and when water flows in the intended
direction above atmospheric pressure
Note 1 to entry: The air inlets are opened if there is subatmospheric pressure at the water inlet and closed to be
watertight again when the supply lines are back to at least atmospheric pressure
Note 2 to entry: For the purpose of this standard, “hose union anti-vacuum valve(s)” are hereafter referred to as
“device(s)”
3.2
hose union anti-vacuum valve HD
valve HB with integrated check valve EB located upstream (monoblock/combined products e.g. frost
taps)
Note 1 to entry: For the purpose of this standard, “hose union anti-vacuum valve(s)” are hereafter referred to as
“device(s)”
4 Nominal size
The nominal size of the devices (DN designated) shall correspond to the nominal size of the threaded
inlet connection according to Table 1.
Table 1 — Thread size vs nominal size
Thread size according to
G 1/2 G 3/4 G 1
EN ISO 228-1
DN 15 20 25
7
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SIST EN 15096:2020
EN 15096:2020 (E)
5 Designation
The device is designated by:
a) name;
b) family;
c) type;
d) nominal size;
e) its size and type of end connection;
f) the a
...
SLOVENSKI STANDARD
oSIST prEN 15096:2019
01-julij-2019
Naprave za varovanje pred onesnaženjem pitne vode zaradi povratnega toka -
Ventili za preprečevanje podtlaka v pregibnih ceveh - DN 15 do DN 25, vključno z
družino H, vrsto B in vrsto D - Splošna tehnična specifikacija
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
Sicherungseinrichtungen zum Schutz des Trinkwassers gegen Verschmutzung durch
Rückfließen - Rohrbelüfter für Schlauchanschlüsse - DN 15 bis DN 25, Familie H, Typ B
und Typ D - Allgemeine technische Bestimmungen
Dispositifs de protection contre la pollution de l'eau potable par retour - Soupapes anti-
vide d'extrémité - DN 15 à DN 25 inclus Famille H, type B et type D - Spécification
technique générale
Ta slovenski standard je istoveten z: prEN 15096
ICS:
13.060.20 Pitna voda Drinking water
23.060.01 Ventili na splošno Valves in general
91.140.60 Sistemi za oskrbo z vodo Water supply systems
oSIST prEN 15096:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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oSIST prEN 15096:2019
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oSIST prEN 15096:2019
DRAFT
EUROPEAN STANDARD
prEN 15096
NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2019
ICS 13.060.20; 23.060.01 Will supersede EN 15096:2008
English Version
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
Dispositifs de protection contre la pollution de l'eau Sicherungseinrichtungen zum Schutz des Trinkwassers
potable par retour - Soupapes anti-vide d'extrémité - gegen Verschmutzung durch Rückfließen -
DN 15 à DN 25 inclus Famille H, type B et type D - Rohrbelüfter für Schlauchanschlüsse - DN 15 bis DN
Spécification technique générale 25, Familie H, Typ B und Typ D - Allgemeine technische
Bestimmungen
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, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,
Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey 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
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15096:2019 E
worldwide for CEN national Members.
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
Contents Page
European foreword . 4
Introduction . 5
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 7
4 Nominal size . 7
5 Designation. 7
6 Marking and technical product information . 8
6.1 General . 8
6.2 Marking . 8
6.3 Technical product information . 8
7 Graphic symbol . 9
8 General design characteristics . 9
8.1 Design principle . 9
8.2 Connections . 11
8.3 Check valve . 11
9 Materials and surface finishes . 11
9.1 General . 11
9.2 Materials . 11
9.3 Corrosion resistance . 11
10 Characteristics and tests . 11
10.1 General . 11
10.2 Test sequence . 12
10.3 Visual verification (stage 1) . 12
10.3.1 Procedure. 12
10.3.2 Verification of the dimensional requirements of air inlets . 12
10.4 Bending moment and tightness test of HB element (stage 2) . 13
10.4.1 Tightness test equipment . 13
10.4.2 Bending moment, mechanical strength of the body and static high pressure leak
tightness test . 14
10.4.3 Static low pressure tightness test . 14
10.4.4 Dynamic low pressure tightness test . 15
10.5 Flow rate (stage 3) . 15
10.5.1 Flow rate testing equipment . 15
10.5.2 Procedure. 16
10.5.3 Requirement . 16
10.6 Opening pressure test (stage 4) . 16
10.6.1 Test equipment . 16
10.6.2 Procedure. 17
10.6.3 Requirements . 17
10.7 Endurance test (stage 5) . 17
10.7.1 General . 17
10.7.2 Endurance test equipment . 18
2
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
10.7.3 Dynamic test (specimen 1) . 18
10.7.4 Endurance test; static, low pressure (specimen 2) . 19
10.7.5 Endurance testing; 14 days (specimen 3) . 20
10.8 Vacuum test (stage 6) . 21
10.8.1 General . 21
10.8.2 Backsyphonage test . 21
10.8.3 Efficiency of the air inlets . 22
10.9 Tightness test (stage 7) . 22
11 Acoustic characteristics . 22
11.1 General . 22
11.2 Procedure . 22
11.2.1 Mounting and operating conditions. 22
11.2.2 Test methods . 22
11.3 Test criteria . 23
11.3.1 Expression of the results . 23
11.3.2 Noise classification . 23
Annex A (informative) Tests and sampling . 24
3
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
European foreword
This document (prEN 15096:2019) 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.
This document will supersede EN 15096:2008.
This document has been developed in reference with EN 1717.
4
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
Introduction
In respect of potential adverse effects on the quality of water intended for human consumption, caused
by the product covered by this document:
a) this document provides no information as to whether the product may be used without restriction
in any of the Member States of the EU or EFTA;
b) it should be noted that, while awaiting the adoption of verifiable European criteria, existing
national regulations concerning the use and/or the characteristics of this product remain in force.
5
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
1 Scope
This document specifies:
a) the field of application;
b) the requirements of hose union anti vacuum valves;
c) dimensional and physio-chemical properties, and properties of general hydraulic, mechanical and
acoustic design of hose union anti-vacuum valves of nominal sizes DN 15 up to and including
DN 25;
d) marking and technical product information.
This document specifies the characteristics of hose union anti-vacuum valves of nominal size DN 15 up
to and including DN 25 that are suitable for use in drinking water systems at pressures up to and
including 1 MPa (10 bar) and temperatures up to and including 65 °C and for 1 h at 90 °C.
HB protects against back siphonage only and is installed in vertical downward flow position.
HB and HD anti-vacuum valves are for installation exclusively at the connecting point between stop
valve and hose in vertical downward flow position.
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 1717, Protection against pollution of potable water in water installations and general requirements of
devices to prevent pollution by backflow
EN 13959, Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D
EN ISO 228-1, Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions,
tolerances and designation (ISO 228-1:2000)
EN ISO 3822-1, Acoustics - Laboratory tests on noise emission from appliances and equipment used in
water supply installations - Part 1: Method of measurement (ISO 3822-1:1999)
EN ISO 3822-3, Acoustics - Laboratory tests on noise emission from appliances and equipment used in
water supply installations - Part 3: Mounting and operating conditions for in-line valves and appliances
(ISO 3822-3:2018)
EN ISO 5167-1, Measurement of fluid flow by means of pressure differential devices inserted in circular
cross-section conduits running full - Part 1: General principles and requirements (ISO 5167-1:2003)
EN ISO 6509, Corrosion of metals and alloys — Determination of dezincification resistance of brass (ISO
6509-1)
EN 248, Sanitary tapware - General specification for electrodeposited coatings of Ni-Cr
6
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
3 Terms and definitions
For the purposes of this document, the terms and definitions acopording to EN 1717 and the following
apply.
ISO and IEC maintain terminological databases for use in standardization at the following addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
3.1
hose union anti-vacuum valve HB
valve equipped with air inlet ports, which are closed at zero flow and when water flows in the intended
direction above atmospheric pressure
Note to entry: The air inlets are opened if there is subatmospheric pressure at the water inlet and closed to be
watertight again when the supply lines are back to at least atmospheric pressure
Note to entry 2: For the purpose of this standard, “hose union anti-vacuum valve(s)” are hereafter referred to as
“device(s)”
3.2
hose union anti-vacuum valve HD
valve HB with integrated check valve EB located upstream (monoblock/combined products i.e. frost
taps)
Note to entry: For the purpose of this standard, “hose union anti-vacuum valve(s)” are hereafter referred to as
“device(s)”
4 Nominal size
The nominal size of the devices (DN designated) shall correspond to the nominal size of the threaded
inlet connection according to Table 1.
Table 1 — Thread size vs nominal size
Thread size according to
G 1/2 G 3/4 G 1
EN ISO 228-1
DN 15 20 25
5 Designation
The device is designated by:
a) name;
b) family;
c) type;
d) nominal size;
e) body material;
f) reference to this document (EN 15096).
7
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oSIST prEN 15096:2019
prEN 15096:2019 (E)
Example of designation Hose union anti-vacuum valve family H type B, DN 20, CW617N, EN 15096
6 Marking and technical product information
6.1 General
In the countries where the use of products made of dezincification resistant materials is not required,
t
...
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