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EN 14124:2004 Inlet valves for flushing cisterns with internal overflow
| EN 14124:2004 Inlet valves for flushing cisterns with internal overflow | ||||
| 带有内部溢流冲洗水箱的进水阀 | ||||
| Scope | The purpose of this document is to specify: the dimensional, hygiene, tightness, pressure performance, hydraulic, acoustic, mechanical and physico-chemical characteristics which inlet valves for flushing cisterns shall comply with; the test methods for testing these characteristics; | |||
| 标准适用范围 | / | |||
| Clause | Test Items | |||
| Remark | ||||
| 5 | Design and manufacture | |||
| 5.1 | Compositon of the inlet valve | |||
| 5.2 | Connection to the supply network | |||
| 5.3 | Adjustment of the water level | |||
| 5.4 | Dimensions of the threaded end connections | |||
| 6 | Mechanical and hydraulic characteristics | |||
| 6.1 | Threaded end connections | |||
| 6.2 | Backflow prevention | |||
| 6.3 | Leaktightness | |||
| 6.4 | Flow rate and filling time | |||
| 6.5 | Reopening of the inlet valve | |||
| 6.6 | Water hammer | |||
| 6.7 | Resistance to pressure | |||
| 6.8 | Endurance 疲劳测试 （50000）（5 weeks） | |||
| 8 | Acoustic characteristics | |||
| 9 | Marking | |||
| 10 | Designation | |||
| Sampling Requirement: 4 sets of completed products with assembly instruction (if applicable） | ||||
| 样品要求： 全套样品4套并包含安装说明书（如适用） | ||||
| Turnaround time: Normal (12working days) ，Express (7 working days) | ||||
| 所需时间：普通12个工作日，加急7个工作日 | ||||
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