MECHANISM: Rivoli series has 1/4 turn ceramic disc mechanism . The temperature of the plant should not exceed 70 degrees. The suggested working pressure of the plant has to be 3 bar. SUPPLY: Rivoli series has a soft supply. Basin and bidet mixers have a standard limitation of flow to 8l/m which reduces the water waste. INSTALLATION: All the built-in mixers have supplied complete with the built in parts. All the external shower and bath mixers have the 15 +- 20 mms interaxe. For the basin and bidet mixers - single or three holes - to be place on top deck, they require ø 35 mms maximum holes.