In the air-water back washing filter, application of jetpump instead of air compressor or blower can considerably save both the installation cost and the running cost.
用射流泵代替空压机或鼓风机进行滤池气水反冲洗、能大大降低设备和运行费用。
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The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.