Standard Svensk standard · SS-EN 14451:2020

Don för att förhindra förorening av dricksvatten genom återströmning - Luftningsventil monterad nedströms pådragsventil DN 10 till DN 50 - Familj D, typ A

Status: Gällande

Omfattning
This document specifies the field of application, the dimensional, the physico-chemical, the design, the hydraulic, the mechanical, and the acoustic characteristics of in-line anti vacuum valve family D Type A.
This document covers in-line anti vacuum valve family D Type A, intended to prevent pollution of potable water by backflow, caused by backsiphoning only.
It is applicable to in-line anti vacuum valve in denominations DN 10 up to DN 50.
It covers in-line anti vacuum valve of PN 10 that are capable of working without modification or adjustment:
- at any pressure, up to 1 MPa (10 bar);
- with any pressure variation, up to 1 MPa (10 bar);
- in permanent duty at a limited temperature of 65 °C and for maximum 1 h at 90 °C.
It specifies also the test methods and requirements for verifying their characteristics, the marking and the presentation at delivery.

Ämnesområden

Dricksvatten (13.060.20) Backventiler (23.060.50)


Produktinformation

Språk: Engelska

Framtagen av: Vattenförsörjning, SIS/TK 198/AG 02

Internationell titel: Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 10 to DN 50 inclusive - Family D, type A

Artikelnummer: STD-80022794

Utgåva: 2

Fastställd: 2020-06-29

Antal sidor: 28

Ersätter: SS-EN 14451:2005