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| 饮用水装置软管 - 功能要求和测试方法 | ||||
| Scope | This standard is applicable to flexible hose assemblies intended to be used in drinking water installations in accordance with EN 806-2 for application class 2 to connect sanitary tap ware, heaters and similar appliances. | |||
| 标准适用范围 | 该标准适用于连接卫浴龙头的进水软管 | |||
| Clause | Test Items | |||
| Remark | ||||
| Package Price: 打包价格 ( Not including the test items with red color) | ||||
| Selective Price: 个别价格 | ||||
| Heat-aging sample preparation | ||||
| 4.1 | Materials | |||
| 4.2 | Functional requirements | |||
| 4.2.2.1 | Dimensions | |||
| 4.2.2.2 | Stress corrosion | 只做氨熏试验。标准要求是硝酸汞或氨熏2选1。 | ||
| 4.2.2.3 | Resistance to tightening torque | 10 samples | ||
| 4.2.2.4 | Resistance to bending | 10 samples | ||
| 4.2.2.5 | Special cases | |||
| 4.2.3.1 | Length | |||
| 4.2.3.2 | Flow rate | 3 samples, each 300 mm long | ||
| 4.2.3.3 | Leak tightness under internal hydrostatic pressure | 3 samples | ||
| 4.2.3.4 | Tensile stress resistance | 3 samples | ||
| 4.2.3.5 | Pressure cycling resistance | 50 000 impulses, 3 samples | ||
| 4.2.3.6 | Resistance to pressure jumps | 200 impulses, 3 samples | ||
| 4.2.3.7 | Resistance to temperature cycling | 5 000 cycles, 3 samples | ||
| 4.2.3.8 | Frost resistance | 3 samples shall be taken for each DN type with a length of 350 mm. | ||
| 4.2.3.9 | Resistance to corrosion | 3 samples | ||
| 4.2.3.10 | UV resistance | 只需要做塑料编织软管，比较少见。 测试时间很长，标准要求辐照为3.5 GJ/(m2·a) | ||
| 4.2.3.11 | Flexibility | 3 samples | ||
| 6 | Marking | |||
| Sample required: Refer to above remark. 样品要求: 参考上述备注. | ||||
| Turnaround time: Normal (50 working days) ，Express (45working days) 测试周期：普通50个工作日，加急45个工作日 | ||||
样品图片
