NEN-EN 14455
Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 May 2005 |
| Status: | active |
| Page Count: | 26 |
| ICS Code (Drinking water): | 13.060.20 |
| ICS Code (Valves in general): | 23.060.01 |
scope:
This document specifies: a) field of application; b) requirements for pressurised air inlet valves; c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of pressurised air inlet valves DN 15 to DN 50; d) test procedure and requirements for verifying these properties; e) marking and presentation; f) acoustics. This document specifies the characteristics of pressurised air inlet valves DN 15 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.
Document History
NEN-EN 14455
May 1, 2005
Devices to prevent pollution by backflow of potable water - Pressurised air inlet valves DN 15 to DN 50 - Family L, type A and type B
This document specifies: a) field of application; b) requirements for pressurised air inlet valves; c) dimensional and the physico-chemical properties and the properties of general hydraulic,...
June 1, 2002
Devices to prevent pollution by blackflow of potable water - Pressurised air inlet valves DN 15 to DN 50 inclusive - Family L/type A and type B
This document specifies: a) field of application; b) requirements for pressurised air inlet valves; c) dimensional and the physico-chemical properties and the properties of general hydraulic,...