COMPANY NEWS

  • To Know The Valves

    To Know The Valves

    Gate valve series The opening and closing part of the gate valve is the gate plate, and the movement direction of the gate plate is perpendicular to the direction of the fluid. The gate valve is used as cut-...
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  • Status and development

    Status and development

    Ningbo Runwell valve co.,ltd is committed to the research and development and manufacture of high-quality industrial valves. Now it has formed a complete industrial chain consisting of valve R&D design, valve body precision casting, product machine production, all-ro...
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  • Spring-type safety valve structure principle, failure, installation points analysis

    Spring-type safety valve structure principle, failure, installation points analysis

    Fault analysis of spring type safety valve Spring-type safety valve, is to rely on the elastic pressure of the spring and the valve or the plunger and other sealing parts of the valve lock, once when the pressure of the pressure vessel is abnormal after the high pressure will overcome the pressu...
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  • Common metal seal ball valve fault analysis and solution

    Common metal seal ball valve fault analysis and solution

    Metal seal ball valve in the use of working conditions than resilient seal ball valve is much more stringent, high temperature, strong corrosion and dust, particles, mud and other media on the continuous use of hard seal ball valve caused considerable obstacles. In the use process of metal seal b...
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