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Ningbo Jintian Copper (Group) Co., Ltd.
Ningbo Jintian Copper (Group) Co., Ltd.

Different Types of Brass Check Valve

Brass Check Valve FAQ

  • What is a brass check valve?

    Check valve refers to a valve whose opening and closing parts are circular valve discs and act by their own weight and medium pressure to block the backflow of medium.

  • What are the styles and differences of check valves?

    The structure of lift check valve is similar to that of stop valve, only lacking the stem to drive the valve disc. The medium flows in from the inlet end (lower side) and out from the outlet end (upper side). When the inlet pressure is greater than the sum of the disc weight and its flow resistance, the valve is opened. On the contrary, when the medium flows back, the valve is closed. Swing check valve has an inclined disc that can rotate around the shaft. Its working principle is similar to that of lift check valve.

  • What is the difference between a check valve and a backflow preventer?

    The two names are the same concept.

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