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Normas DIN – AENOR
DIN EN 14451:2019-02

DIN EN 14451:2019-02

Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A; German and English version prEN 14451:2019 / Note: Date of issue 2019-01-11

Dispositifs de protection contre la pollution de l'eau potable par retour - Soupape anti-vide en ligne DN 10 à DN 50 inclus - Famille D, type A; Version allemande et anglaise prEN 14451:2019 / Attention: Date de parution 2019-01-11

Sicherungseinrichtungen zur Verhütung von Trinkwasserverunreinigung durch Rückfließen - Rohrleitungsbelüfter DN 10 bis einschließlich DN 50 - Familie D, Typ A; Deutsche und Englische Fassung prEN 14451:2019 / Achtung: Erscheinungsdatum 2019-01-11

Fecha Anulación:
2020-10 /Withdrawn
Equivalencias internacionales:

prEN 14451 (2019-01)

Relación con otras normas DIN:

Reemplazada por: DIN EN 14451:2020-10

Resumen:
This document specifies:a) field of application;b) requirements for in line anti-vacuum valves;c) dimensional, the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of in-line anti-vacuum valves DN 8 to DN 80;d) test method and requirements for verifying these properties;e) marking and presentation;f) acoustics.This document specifies the characteristics of in-line anti-vacuum valves DN 8 to DN 80 that are suitable for use in drinking water systems at pressures up to 1 MPa (10 bar) and temperatures up to 65 °C and for 1 h at 90 °C.
Keywords:
Acoustic properties and phenomena, Anti-siphonage systems, Anti-vacuum devices, Backflow, Check valves, Chemical properties, Definitions, Design, Designations, Dimensions, Draw-off taps, Drinking water control, Drinking water installations, Drinking water supply, Flow rates, Fluid equipment components, Hazards, Hydraulic, Hydraulics, Hygiene, Marking, Material properties, Materials, Mechanical properties, Mounting dimensions, Noise emission, Physical properties, Pipeline installations, Pipes, Pipework systems, Pollution of drinking water, Potable water, Properties, Protection of water resources, Protective measures, Quality, Quality assurance, Reflux, Reflux control, Safety devices, Safety measures, Safety valves, Security measures, Specification (approval), Temperature, Testing, Tightness, Valves, Water, Water fittings, Water pollution, Water practice, Water purification, Water quality, Water supply, Water supply (buildings), Water supply installations
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