Inlet valves for flushing cisterns with internal overflow

The purpose of this document is to specify:
- the dimensional, hygiene, tightness, pressure performance, hydraulic, acoustic, mechanical and physico chemical characteristics which inlet valves for flushing cisterns shall comply with;
- the test methods for  testing these characteristics;
- marking and presentation.
This document applies exclusively to the valve itself and it does not prejudge compliance with health regulations as the inlet valve is being fitted into the cistern.
This document does not cover valves intended to equip flushing cisterns with external overflow.
This document applies to valves such as float valves limit operating at pressures up to NP 10 (whose operating range is from 0,05 MPa to 1 MPa - 0,5 bar to 10 bar) designed to supply cold water to flushing cisterns for use with WC pans, that are permanently connected to a potable water supply system.
The working range can be extended downwards (< 0,05 MPa - 0,5 bar) down to 0,01 MPa (0,1 bar), in which case the manufacturer's instructions shall indicate this possibility as well as the recommended working range.

Füllventile für Spülkästen mit integriertem Überlauf

Diese Europäische Norm dient der Festlegung von:
¾   Anforderungen an Maße, Hygiene, Dichtheit, Druckbeständigkeit, hydraulischer Eigenschaften, Geräuschverhalten, mechanischer Festigkeit und physikalisch-chemischer Eigenschaften, denen die Füllventile für Spülkästen entsprechen müssen;
¾   Prüfverfahren zum Nachweis dieser Anforderungen;
¾   Anforderung an Kennzeichnung und Darstellung.
Diese Norm gilt ausschließlich für das Füllventil selbst und beinhaltet nicht die Einhaltung von Gesundheits-vorschriften, da das Füllventil in den Spülkasten eingebaut wird.
Füllventile zum Einbau in Spülkästen mit externem Überlauf werden in dieser Norm nicht behandelt.
Diese Norm gilt für Füllventile für einen maximalen Betriebsdruck DN 10 (deren Funktionsbereich von 0,05 MPa bis 1 MPa - von 0,5 bar bis 10 bar - reicht) zur Kaltwasserversorgung von Spülkästen für WC Becken, die ständig an die Trinkwasserinstallation angeschlossen sind.
Füllventile können einen erweiterten Funktionsbereich unterhalb 0,05 MPa (0,5 bar) bis 0,01 MPa (0,1 bar) aufweisen. In diesem Fall muss die Herstelleranweisung diese Möglichkeit sowie den empfohlenen Funktionsbereich angeben.
Diese Norm gilt nicht für Füllventile für andere Anwendungsbereiche, z. B. für den Einbau in Pumpen- und Nachspeisebehälter

Robinet pour remplissage de réservoir de chasse avec trop-plein intérieur

Le présent document a pour objet de fixer :
-   les caractéristiques dimensionnelles, d'hygiène, d'étanchéité, de tenue en pression, hydrauliques, acoustiques, mécaniques, physico-chimiques auxquelles doivent répondre les robinets pour réservoir de chasse ;
-   la technique des essais ;
-   le marquage et la présentation.
Le présent document s'applique exclusivement au robinet lui-même, et ne préjuge pas de la conformité aux réglementations sanitaires du robinet installé dans le réservoir de chasse.
Les robinets destinés à équiper les réservoirs à trop-plein extérieur ne sont pas traités dans le présent document.
Il s'applique aux robinets de remplissage de PN 10, dont la plage de fonctionnement est de 0,05 MPa à 1 MPa (0,5 bar à 10 bar), destinés à l'alimentation en eau froide des réservoirs de chasse équipant les cuvettes de WC raccordés de façon permanente au réseau d'eau potable.
La plage de fonctionnement peut être étendue vers le bas en-dessous de 0,05 MPa (0,5 bar) jusqu'à 0,01 MPa (0,1 bar) ; dans ce cas, la notice du fabricant devra indiquer cette possibilité ainsi que la plage de fonctionnement recommandée.

Inlet valves for flushing cisterns with internal overflow

General Information

Status
Published
Publication Date
31-Aug-2004
Current Stage
9093 - Decision to confirm - Review Enquiry

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EN 14124:2004
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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Inlet valves for flushing cisterns with internal overflowFüllventile für Spülkästen mit integriertem ÜberlaufRobinet pour remplissage de réservoir de chasse avec trop-plein intérieurInlet valves for flushing cisterns with internal overflow91.140.70Sanitarne napraveSanitary installationsICS:Ta slovenski standard je istoveten z:EN 14124:2004SIST EN 14124:2004en01-oktober-2004SIST EN 14124:2004SLOVENSKI

STANDARD
SIST EN 14124:2004

EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14124September 2004ICS 91.140.70 English versionInlet valves for flushing cisterns with internal overflowRobinet pour remplissage de réservoir de chasse avectrop-plein intérieurFüllventile für Spülkästen mit integriertem ÜberlaufThis European Standard was approved by CEN on 9 July 2004.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia,Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36

B-1050 Brussels© 2004 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14124:2004: ESIST EN 14124:2004

EN 14124:2004 (E) 2 Contents page Foreword......................................................................................................................................................................4 1 Scope..............................................................................................................................................................5 2 Normative references....................................................................................................................................6 3 Terms and definitions...................................................................................................................................6 4 Materials.........................................................................................................................................................6 5 Design and manufacture...............................................................................................................................6 5.1 Composition of the inlet valve......................................................................................................................6 5.2 Connection to the supply network...............................................................................................................7 5.3 Adjustment of the water level.......................................................................................................................7 5.4 Dimensions of the threaded end connections............................................................................................7 6 Mechanical and hydraulic characteristics..................................................................................................8 6.1 Threaded end connections...........................................................................................................................8 6.1.1 General............................................................................................................................................................8 6.1.2 Tensile strength.............................................................................................................................................8 6.1.3 Resistance to tightening torque...................................................................................................................9 6.2 Backflow prevention......................................................................................................................................9 6.2.1 General............................................................................................................................................................9 6.2.2 Dimension of the air inlet..............................................................................................................................9 6.2.3 Efficiency of the air inlet...............................................................................................................................9 6.3 Leaktightness.................................................................................................................................................9 6.3.1 Leaktightness under static pressure...........................................................................................................9 6.3.2 Leaktightness under dynamic pressure......................................................................................................9 6.4 Flow rate and filling time...............................................................................................................................9 6.5 Reopening of the inlet valve.......................................................................................................................10 6.6 Water hammer..............................................................................................................................................10 6.7 Resistance to pressure...............................................................................................................................10 6.8 Endurance....................................................................................................................................................10 7 Tests..............................................................................................................................................................10 7.1 General..........................................................................................................................................................10 7.2 End connections..........................................................................................................................................11 7.2.1 Tensile test and torque test apparatus......................................................................................................11 7.2.2 Tensile test operating method....................................................................................................................12 7.2.3 Torque test operating method....................................................................................................................12 7.3 Backflow prevention....................................................................................................................................12 7.3.1 Test apparatus.............................................................................................................................................12 7.3.2 Operating method........................................................................................................................................13 7.4 Leaktightness...............................................................................................................................................13 7.4.1 Test apparatus.............................................................................................................................................13 7.4.2 Static pressure test method.......................................................................................................................14 7.4.3 Dynamic pressure test method..................................................................................................................16 7.5 Inlet flow rate................................................................................................................................................16 7.5.1 Test apparatus.............................................................................................................................................16 7.5.2 Test method..................................................................................................................................................17 7.6 Reopening of the inlet valve.......................................................................................................................17 7.6.1 Test apparatus.............................................................................................................................................17 7.6.2 Test method..................................................................................................................................................17 SIST EN 14124:2004

EN 14124:2004 (E) 3 7.7 Water hammer..............................................................................................................................................17 7.7.1 Test apparatus.............................................................................................................................................17 7.7.2 Test method..................................................................................................................................................18 7.8 Resistance to pressure...............................................................................................................................18 7.8.1 Test apparatus.............................................................................................................................................18 7.8.2 Test method..................................................................................................................................................18 7.9 Endurance....................................................................................................................................................19 7.9.1 Test apparatus.............................................................................................................................................19 7.9.2 Test method..................................................................................................................................................19 8 Acoustic characteristics.............................................................................................................................19 9 Marking.........................................................................................................................................................20 10 Designation..................................................................................................................................................20 Annex A (informative)

Test method used to verify the acoustic characteristics.............................................21

SIST EN 14124:2004

EN 14124:2004 (E) 4 Foreword This document (EN 14124:2004) 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 March 2005, and conflicting national standards shall be withdrawn at the latest by March 2005. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. SIST EN 14124:2004

EN 14124:2004 (E) 5 1 Scope The purpose of this document is to specify:  the dimensional, hygiene, tightness, pressure performance, hydraulic, acoustic, mechanical and physico-chemical characteristics which inlet valves for flushing cisterns shall comply with;  the test methods for

testing these characteristics;  marking and presentation. This document applies exclusively to the valve itself and it does not prejudge compliance with health regulations as the inlet valve is being fitted into the cistern. This document does not cover valves intended to equip flushing cisterns with external overflow. This document applies to valves such as float valves limit operating at pressures up to NP 10 (whose operating range is from 0,05 MPa to 1 MPa – 0,5 bar to 10 bar) designed to supply cold water to flushing cisterns for use with WC pans, that are permanently connected to a potable water supply system. The working range can be extended downwards (< 0,05 MPa – 0,5 bar) down to 0,01 MPa (0,1 bar), in which case the manufacturer’s instructions shall indicate this possibility as well as the recommended working range.

Range which shall be covered

Optional range This document does not apply to valves used for other applications: pumping tanks, storage tanks, etc. Table 1 — Working conditions for flushing cistern inlet valves

Operating limits Limit recommended for proper functioning (dynamic pressure) Minimum dynamic pressure P ≥ 0,05 MPa (0,5 bar) a 0,1 MPa ≤ P ≤ 0,5 Mpa (1 bar ≤ P ≤ 5 bar) Maximum static pressure P ≤ 1 MPa (10 bar)

a According to

the manufacturer’s indication, the dynamic pressure (opening-closing) can be lowered. SIST EN 14124:2004

EN 14124:2004 (E) 6 2 Normative references The following referenced documents are indispensable for the application 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 ISO 228-1:2003, Pipe threads where pressure-tight joints are not made on the threads - Part 1: Dimensions, tolerances and designation (ISO 228-1:2000). EN ISO 3822-1:1999, 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 3822-4:1997, Acoustics – Laboratory tests on noise emission from appliances and equipment used in water supply installations - Part 4: Mounting and operating conditions for special appliances (ISO 3822-4:1997). EN ISO 5167-1:2003, 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 5167:2003). EN 1717:2000, Protection against pollution of potable water in water installations and general requirements of devices to prevent pollution by backflow. 3 Terms and definitions For the purposes of this document, the following term and definition apply. 3.1 inlet valve ensuring automatic filling of a flushing cistern to a pre-set water level 4 Materials The choice of materials is left to the manufacturer’s initiative, except for end connections which shall be manufactured from copper alloy or any other material giving similar performance. All materials in contact with water intended for human consumption shall not present any health risk up to a temperature of 25 °C. They shall not cause any deterioration of water intended for human consumption with regard to food quality, appearance, smell or taste. Within the limits recommended in clause 1 for correct operation, the materials shall not be subjected to any deterioration likely to affect the performance of the valve. Parts submitted to pressure shall withstand the corresponding operating limits. Materials with insufficient corrosion resistance shall be protected against corrosion. 5 Design and manufacture 5.1 Composition of the inlet valve A flushing cistern inlet valve comprises:  a single supply connection;  one or more outlets; SIST EN 14124:2004

EN 14124:2004 (E) 7  a detector, generally a float, for shutting off the water supply when the required level in the flushing cistern is reached. 5.2 Connection to the supply network Inlet valves can be connected inside the cistern to the supply network as follows:  through the side;  through the back;  through the bottom;  through the top. It should not exist any submerged connection that can be dismantled or that may be dismantled inside the cistern. 5.3 Adjustment of the water level Inlet valves for flushing cisterns can, if applicable, be fitted with a device used to adjust the water level in the cistern. If so, the water level in the flushing cistern can be adjusted within certain limits. Remark: Bending the float arm to achieve adjustment is not considered to be an adjustment device. 5.4 Dimensions of the threaded end connections

In the event of use of a threaded end connection, the dimensions of the end connection shall comply with the specifications in Table 2 below: SIST EN 14124:2004

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