Mixing valves being parts for sanitary installations, water supply and water outlet fittings with manual and automatic controls; taps for washstands, bidets and sinks, taps for tubs and showers; shower combinations, showers and shower fittings, shower holders, overhead showers, lateral-jet showers, hand showers, shower hoses, inflow and outflow fittings for sanitary basins, for washstands, for sink units, for bidets, for bath tubs and for shower trays; regulating apparatus, in particular for apparatus for water supply and sanitary purposes, control apparatus for apparatus for water supply and sanitary purposes