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What is the difference between a duckbill valve and a check valve?

Both duckbill valve and check valve are types of check valves, they are used to regulate the flow of fluids, typically liquids or gases, into one direction and prevent back flow or reverse flow. But each type of check valve has different specification. These are some typical types of check valve as following: Duckbill Valve Umbrella Valve Spring Check Valve Diaphragm Valve […]

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