This European Standard is applicable to single and mixer taps with automatic shut-off for use with sanitary appliances installed in washrooms. It does not apply to urinal or WC flushing valves or valves which open automatically. The purpose of this standard is to specify the marking, identification, chemical/hygiene, dimensional, leaktightness, pressure resistance, hydraulic, mechanical endurance, and acoustical characteristics of automatic shut-off tapware. The following conditions of pressure and temperature apply: