NEN-EN 14506
Devices to prevent pollution by backflow of potable water - Automatic diverter - Family H, type C
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 automatic diverters; c) dimensional and the physico-chemical properties and the properties of general hydraulic, mechanical and acoustic design of automatic diverters; d) test method and requirements for verifying these properties. For sanitary tapware (see Clause 2) with integrated devices, the automatic diverter is only considered to be a backflow protection device if it has passed the requirements of this document and additionally those of the applicable product standard for the draw off tap or mixing valve; e) marking and presentation; f) acoustics. This document specifies the characteristics of automatic diverters 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. They are intended only for installation with no downstream closing device. This document is applicable to the product type indicated as follows: i) integrated in spout (outlet); ii) integrated in the mixing body; iii) non-integrated (part of a set) above the maximum water level.
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