welded steel flap valve
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Welded steel square flap valve
Welded steel square flap valve is suitable for pipeline engineering of tap water, sewage and industrial waste water treatment station, especially for outlets of pump and waves in sea mouths and river channels. To prevent backflow of fluids in the pipeline, Square type falp valve, Soft seal flap valve, flap gate valve, non-return flap valves, flange end falp valve, prevent the reverse flows. withstand impact. Wall end connection or pipe end connection.
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