PR EN 14055 WC And Urinal Flushing Cistern (outlet valve only)座便器以及小便器的冲洗水箱 | |||
5 |
Requirements and test methods for class 1 products 1类产品 |
5.2 Hydraulic and mechanical characteristics 水力机械性能 |
Flush volume冲洗水量 |
Water-saving devices 节水产品 双冲水产品 | |||
Flush rate and impact force冲击力 | |||
5.2.4 Overflow 溢流位置 | |||
Inlet valve opening characteristics for water saving flushing | |||
Safety margin – Dimension “c” | |||
Backflow prevention, air gap, safety margin – Dimension “a” 防回流标记 C | |||
Outlet valve leaktightness出水口密封 | |||
Outlet valve reliability 排水阀可靠性测试 | |||
Operating force 开关操作力 | |||
Durability 耐久性测试 | |||
6 | Functional requirements and test methods for class 2 products | 6.2 Backflow prevention 防回流 | |
Marking of flushing cistern 水箱标记 | |||
Warning pipe and overflow provision标记线 | |||
Flush volume 冲水 |
Full flush全冲测试 | ||
Reduced flush半冲测试 | |||
Flush rate 流速 | |||
Physical endurance and leakage of flushing device耐久性能 | |||
Chemical endurance of flushing device化学耐久性 | |||
7 | Requirements and test methods for class 3 products | 7.2 Adjustment | |
8 | Acoustic characteristics 声学测试 |
Sample for reference 参考图片: