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China 4 inch Steam Ball Valves Manufacturers, Suppliers, Factory

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  • Cast Iron Globe Valve

    Cast Iron Globe Valve

    Cast Iron globe valve is a forced-sealing valve, so when the valve is closed, pressure must be applied to the disc to force the sealing surface to not leak. When the medium enters the valve from below the disc, the resistance that the operating force needs to overcome is the friction force of the valve stem and packing and the thrust generated by the pressure of the medium. The force to close the valve is greater than the force to open the valve, so Cast Iron The diameter of the valve stem of the globe valve should be large, otherwise the valve stem will bend up failure.
  • Flanged WCB Swing check valve

    Flanged WCB Swing check valve

    China Flanged WCB Swing check valve Factory Directly Supply. Milestone is a large-scale Flanged WCB Swing check valve manufacturer and supplier in China. Flanged WCB Swing check valve is a valve whose opening and closing parts are opened or closed by the force of the medium flow to prevent the medium from flowing back. Flanged WCB Swing check valve belongs to the category of automatic valves. It is mainly used in pipelines where the medium flows in one direction, and only allows the medium to flow in one direction to prevent accidents in the pipeline.
  • Flexible Wedge Gate Valve

    Flexible Wedge Gate Valve

    Milestone is a leading China Flexible Wedge Gate Valve manufacturer, supplier and exporter. Adhering to the pursuit of perfect quality of products, so that our Flexible Wedge Gate Valve have been satisfied by many customers. Extreme design, quality raw materials, high performance and competitive price are what every customer wants, and that's also what we can offer you. Of course, also essential is our perfect after-sales service. If you are interested in our Flexible Wedge Gate Valve services, you can consult us now, we will reply to you in time!
  • Pneumatic Butterfly Valve

    Pneumatic Butterfly Valve

    Pneumatic butterfly valve is composed of pneumatic actuator and butterfly valve. Pneumatic butterfly valve is a kind of pneumatic valve which can be opened and closed with the round butterfly plate rotating with the valve stem to realize the start-up action. It is mainly used as block valve, and can also be designed to have the function of regulating or section valve and regulating. Pneumatic butterfly valve is more and more used in low-pressure large and medium diameter pipeline.
  • Fixed Ball Valve

    Fixed Ball Valve

    The Fixed ball valve produced by MST is suitable for cutting off or connecting the medium in the pipeline. It is made of different materials and can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc.; Fixed ball valve is widely used It is used in petroleum refining, long-distance pipeline, chemical industry, papermaking, pharmaceutical, water conservancy, electric power, municipal administration, steel and other fields.
  • Thread Globe Valve

    Thread Globe Valve

    Once the valve disc open, there is no contact between the seat and the sealing surface of the valve disc. And Thread Globe Valve has so reliable switch off reaction, that the valve is used for cutting off or regulating flow. The valve is apply to cutting off or connecting the pipeline medium under various working conditions such as petroleum, chemical industry, metallurgy, electric power, papermaking, pharmaceutical, food, water treatment, petroleum, chemical industry, thermal power station, etc.
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  • Reviews

  • What Should be Paid Attention to When Using and Installing the Wafer Check Valve

    Wafer check valve is a kind of check valve. Check valve refers to the valve that automatically opens and closes the valve flap depending on the flow of the medium itself, and is used to prevent the medium from flowing back. It is also called check valve, one-way valve, reverse flow valve, and back pressure valve.

  • The Working Principle of Flanged Globe Valve

    The globe valve plays an important role in cutting off and throttling the medium in the pipeline. The valve clack exerts pressure to make the sealing surface of the valve clack closely fit the sealing surface of the valve seat, and prevent the medium from leaking along the gap between the sealing surfaces.

  • What are the differences between a floating ball valve and a trunnion ball valve?

    Learn about the differences between a floating ball valve and a trunnion ball valve in this informative article.

  • Why Does Stainless Steel Butterfly Valve Surface Rust?

    Stainless steel butterfly valve can resist oxidation in the atmosphere, and has corrosion resistance in acid, alkali and salt medium, so all stainless steel butterfly valve has the characteristics of wear resistance and corrosion resistance. These characteristics can fully reflect the advantages of stainless steel material, but in some special environmental media, there is still the possibility of rust.

  • What is the Difference Between Swing Check Valve and Lift Check Valve

    The swing check valve has a pin structure and a gate like disc resting freely against the sloping seat surface. In order to ensure that the valve disc can reach the proper position of the seat surface every time, the valve disc is set in the pin structure, so that the valve disc has enough swing space, and makes the valve disc truly and well contact with the seat. When the swing check valve is fully opened, the fluid pressure is almost unimpeded, so the pressure drop through the valve will be smaller. The valve disc can be made of metal, or inlaid with leather, rubber or composite cover, depending on the requirements of the applicable function.

  • What is a check valve?

    What is a check valve?

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