Invention Patent
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  • A high-temperature resistant metal sealed butterfly valve

    A high-temperature r...

  • A corrosion-resistant gate valve

    A corrosion-resistan...

  • A fast opening and closing ball valve

    A fast opening and c...

  • A butterfly valve that can be remotely controlled in multiple stages

    A butterfly valve th...

  • A Control and Regulating Valve with Pressure Differential Adjustment Function

    A Control and Regula...

  • A high-temperature pneumatic ball valve with locking device

    A high-temperature p...

  • A gate valve with bidirectional diversion function

    A gate valve with bi...

  • A regulating valve with anti sediment function

    A regulating valve w...

  • A wear-resistant hard sealed ball valve made of alloy steel

    A wear-resistant har...

  • A type of alloy steel lined fluorine ball valve

    A type of alloy stee...

  • An automatic cut-off butterfly valve with overvoltage protection

    An automatic cut-off...

  • A wireless digital intelligent regulating valve for pipelines and its control method

    A wireless digital i...

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