duckbill valve 1),Diameter: DN25-DN2400 2),Tpye:slip,flange 3), ISO9001:2000/14001 4), 12 years OEM Service manufacture How Do Duckbill Check Valves Work?ZhongHaiWei ®Duckbill Check Valves, widely used in the demanding applications of many industries, are precision-molded, one-piece elastomeric valves that provide reliable backflow prevention at low pressure differentials. Duckbill check valves ...
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