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  • High temperature and high pressure Y type globe valve structure features

    The structural characteristics of the high temperature and high pressure Y type globe valve are as follows: 1. The wide sealing surface design can effectively extend the service life of the sealing surface. The sealing surface is welded with STL alloy, which is good in erosion resistance and wear resistance.

    2019-12-02
  • Some Tips for Valve Daily Maintenance

    Valve daily maintenance is very importance, following are some instructions for valve daily maintenance.Doing these tasks well is believed to be very helpful for prolonging the service life of the valve, and it can also reduce a lot of unnecessary troubles.

    2019-11-11
  • Fugitive Emission Valves-Take Environmental Protection into Consideration

    Fugitive Emission Valves are those valves which bleed only a small amount of leakage to the external environment.In some European countries, there are customized companies to provide Fugitive Emission Testing Service for the local manufactures and end users.

    2019-10-02
  • Principles of selecting gate valve and globe valve

    Principles of selecting gate valve, the gate valve should be the first choice when shut-off valves need to be used for pipelines. Normally, globe valves are a little bit expensive than gate valves, but a little cheaper than metal-sealed ball valves, seldom used as shut-off valves for main pipelines.

    2020-01-23
  • Market Status And Development Trend Of China's Cast Iron Valve Products

    China has produced and applied cast iron valves for nearly 100 years, but significant development has been the case in the last 10 years. According to relevant statistics, the annual output of domestic cast iron valves and fittings has increased from 800,000 tons to 2,000,000 tons in the past 10 years, with an average annual decline rate of about 20%.

    2020-01-08
  • Manual valve safety operation procedures

    Common manual valves, including ball valve, gate valve, globe valve, butterfly valve, plug valve, etc., are the most widely used valves. Their handwheels or handles are designed according to ordinary manpower, taking into account the strength of the sealing surface and the required closing force.

    2019-12-23
  • How does a gate valve work

    The gate valve is a valve that moves the shutter closure member in the vertical direction of the centerline of the passage. Generally, it consists of valve body, valve seat, valve stem, gate, valve cover and sealing ring.

    2019-12-13
  • Safety valve leakage causes and treatment methods

    If the valve flap of the safety valve and the seat portion of the valve seat are leaked beyond the rated range, the loss of the medium may occur, thereby destroying the sealing material. Under normal circumstances, the sealing surface of the safety valve is mainly composed of metal material, and it is smooth and flat as much as possible.

    2019-11-20
  • How to choose the power plant control valve

    Control valve requirements: control boiler water intake, ensure steam evaporation, maintain boiler water level, that’s attached boiler feed valve system contains two control valves, one for boiler start-up, one for normal water supply.

    2019-11-01
  • How to choose the marine valve

    In recent years, with the continuous improvement of China's comprehensive national strength, the development of China's marine industry has also achieved rapid progress. In this context, the shipbuilding industry has drawn much attention.

    2019-10-22

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