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檢測認(rèn)證人脈交流通訊錄

PR EN 14055 WC And Urinal Flushing Cistern （outlet valve only）座便器以及小便器的沖洗水箱
5	Requirements and test methods for class 1 products 1類產(chǎn)品	5.2 Hydraulic and mechanical characteristics 水力機(jī)械性能	Flush volume沖洗水量
			Water-saving devices 節(jié)水產(chǎn)品雙沖水產(chǎn)品
			Flush rate and impact force沖擊力
			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” 防回流標(biāo)記 C
			Outlet valve leaktightness出水口密封
			Outlet valve reliability 排水閥可靠性測試
			Operating force 開關(guān)操作力
			Durability 耐久性測試
6	Functional requirements and test methods for class 2 products	6.2 Backflow prevention 防回流
		Marking of flushing cistern 水箱標(biāo)記
		Warning pipe and overflow provision標(biāo)記線
		Flush volume 沖水	Full flush全沖測試
			Reduced flush半沖測試
			Flush rate 流速
			Physical endurance and leakage of flushing device耐久性能
			Chemical endurance of flushing device化學(xué)耐久性
7	Requirements and test methods for class 3 products	7.2 Adjustment
8	Acoustic characteristics 聲學(xué)測試

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