SSH EN 14451:2005

Pajisjet për të parandaluar ndotjet nga kthimi mbrapsht i ujit të pijshëm - Valvolat kundër vakumit në linjë DN 8 deri DN 80 - familja D, tipi A

Devices to prevent pollution by backflow of potable water - In-line anti-vacuum valves DN 8 to DN 80 - Family D, type A

Scope

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.

Related directives

Directives related to this standards.