News

  • Good news | Yuanda Valve Group won the 2020 (fifth) Sinopec Industry procurement annual conference brand supplier!

    Good news | Yuanda Valve Group won the 2020 (fifth) Sinopec Industry procurement annual conference brand supplier!

    October 27-29, 2020 (the fifth) China Petroleum and Chemical Industry procurement Annual Meeting was held in Hangzhou, Zhejiang province as scheduled, Yuanda Valve Group won the honorary certificate of brand supplier. In recent years, yuanda brand has become increasingly famous in the petrochem...
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  • Types and selection of metal valves commonly used in chemical plant

    With more and more imported devices into the country, API valves have been widely used, this paper only API ferrous metal valves as the analysis object.   Valve is an important part in pipeline system. Metal valve is the most widely used in chemical plant. The valve is mainly used for opening and...
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  • Application of Two-stage Slow-closing Check Valve in Water Hammer Protection

    Water hammer is when the power is suddenly cut off or the valve is closed too fast, due to the inertia of the pressure water flow, a water shock wave is generated, just like a hammer hit, so it is called water hammer. The force generated by the shock wave of the water flow can sometimes be very l...
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  • How to prevent the water hammer effect in the piping system?

    How to prevent the water hammer effect in the piping system?

    After the installation of the pump room and the piping system is completed, it is often found that during the operation of the system, when the pump is stopped and the power is cut off, the piping system will have a great impact of water, which will impact the pumps, val...
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  • Knowledge of installation of common valves

    Knowledge of installation of common valves

    Check valve before installation (1) Carefully check whether the valve models and specifications meet the requirements of the drawings. (2) Check whether the valve stem and valve disc open flexively, whether there is stuck and skewed phenomenon. Check whether the valve is damaged, whether the thre...
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  • What Is a Globe Valve And When Is It Made Use Of?

    What Is a Globe Valve And When Is It Made Use Of?

    Globe valves are run with a handwheel and also regulate water circulation. However, they also create greater pressure loss. Choosing the right valve is necessary, as different kinds have different functions as well as usages. A few of ...
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  • What Is a Check Valve?

    What Is a Check Valve?

    Check valves are generally installed on the pipeline to prevent backflow. A check valve is basically a one-way valve, the flow can flow freely in one direction, but if the flow rotates, the valve will be closed to protect the pipeline,...
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  • Maintenance And Repair Tips Of Butterfly Valve

    Maintenance And Repair Tips Of Butterfly Valve

    A butterfly valve is a kind of flow regulating device, which includes a rotating disk to operate the liquid flowing in the process. In the vertical position of the butterfly valve, there is a metal-based disc that operates the closing ...
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