6.2 定义 Definitions

6.2.1 Single flush urinal valves 单冲冲洗小便阀

These are intended for wash-down flushing urinal valves (see EN 13407).

6.2.2 Siphon action flushing urinal valves 虹吸动作冲洗小便阀

These are intended for flushing siphonic action urinals (see EN 13407).

6.2.3 Isolating valves for flushing urinal valves 冲洗小便阀的隔离阀

Devices that can be used to stop or regulate the flow of water can be integrated with the urinal flushing valve or be separated.