Ämnesområden: Dricksvatten; Backventiler
Kommittébeteckning: SIS/TK 198 (Vatten- och avloppssystem)
Källa: CEN
Svarsdatum: den 1 apr 2019
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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 10 to DN 50;

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 10 to DN 50 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.