China 4 inch Brass Gas Ball Valve With Certification Manufacturers, Suppliers, Factory

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Hot Products

  • Pneumatic Wafer Hard Seal Butterfly Valve

    Pneumatic Wafer Hard Seal Butterfly Valve

    The pneumatic wafer hard seal butterfly valve adopts a three eccentric multi-layer metal seal structure, which has the characteristics of high and low temperature resistance, high pressure, allowing small particles in the medium and long service life. Pneumatic wafer hard seal butterfly valve is widely used in metallurgy, electric power, petroleum, chemical industry, air, gas, combustible gas and water supply and drainage pipelines with medium temperature ≤ 550 ℃. It is a reliable device for regulating flow and cutting off fluid.
  • Stainless Steel Knife Gate Valves

    Stainless Steel Knife Gate Valves

    Stainless Steel Knife Gate Valves of Tianjin Milestone Pump & Valve are bi-directional with full and plane bore. The protected sealings and high quality materials bring about a great performance and a long service life. Stainless Steel Knife Gate Valves are available with lever, non-rising stem and handwheel, rising stem and handwheel, pneumatic actuator, actuator or complete with electric actuator.
  • Stainless Steel Butterfly Valve

    Stainless Steel Butterfly Valve

    Stainless steel butterfly valve, also known as stainless steel flap valve, adopts three eccentric multi-layer metal hard seal structure; Stainless steel butterfly valve is widely used in metallurgy, electric power, petrochemical, water supply and drainage and municipal construction industries where the medium temperature is ≤425℃ On the pipeline, it is used for adjusting the flow rate and carrying and breaking the fluid. The stainless steel butterfly valve adopts a triple eccentric structure. The valve seat and the sealing surface of the disc plate are made of different hardness and stainless steel, which has good corrosion resistance and long service life.
  • Wafer Check Valves

    Wafer Check Valves

    The Wafer check valves are self-acting and fast-closing valves which prevent a working medium from flowing back in a pipeline. They are used in order to prevent from backflow the pumps, fans etc. TWafer check valve is not a shut-off valve.
  • Composite Exhaust Valve

    Composite Exhaust Valve

    Composite exhaust valve is a barrel shaped valve body, which mainly contains a group of stainless steel balls, rods and plugs. Composite exhaust valve is installed at the pump water outlet or in the water supply and distribution pipeline to remove a large amount of air accumulated in the pipeline, or a small amount of air accumulated at a higher place of the pipeline is discharged into the atmosphere, so as to improve the service efficiency of the pipeline and the pump Valve quickly inhales outside air to protect the pipeline from damage caused by negative pressure.
  • Parallel Gate Valve

    Parallel Gate Valve

    Parallel gate valve utilize a parallel-faced, gatelike seating element. A double-disk parallel gate valve has two parallel disks that are forced, on closure, against parallel seats by a “spreader.”

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