ČSN EN 12541 (137211)

Annotation of standard text ČSN EN 12541 (137211):

This document is applicable to flushing valves for WCs and valves for urinals, with automatic hydraulic closure, intended for:
- WC pans EN 997;
- single flush urinals EN 13407;
- siphon acting urinals EN 13407.
It does not apply to no-contact detection valves.
It is intended to specify:
- marking and identification, physico-chemical, dimensional, leaktightness, pressure behaviour, hydraulic, mechanical endurance and acoustic characteristics of flushing valves for WCs and urinals with automatic closure;
- test methods used to verify these characteristics;
- and to determine requirements for the atmospheric interrupter which shall be an integral part of the WC flushing valve