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We know that we only thrive if we can guarantee our combined rate competiveness and good quality advantageous at the same time for Butterfly non return valve,Micro-resistance Butterfly non return valve,Wafer Butterfly non return valve, Many years of work experience, we have realized the importance of providing good quality products and the best before-sales and after-sales services.
Butterfly non return valve, Our products and solutions are exported worldwide. Our customers are always satisfied with our reliable quality, customer-oriented services and competitive prices. Our mission is "to continue to earn your loyalty by dedicating our efforts to the constant improvement of our solutions and services in order to ensure the satisfaction of our end-users, customers, employees, suppliers and the worldwide communities in which we cooperate".

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    Soft seal vs hard seal butterfly valves

    Milestone is one of the professional Soft seal vs hard seal butterfly valves manufacturers and suppliers in China.
  • 2 Flanged Ball Valve

    2 Flanged Ball Valve

    In the 2 flange ball valve structure produced by milestone valve company, the flange is connected by bolts, and the seal is made of reinforced polytetrafluoroethylene inlaid into the stainless steel ring. There is no spring at the back of the steel ring to ensure that the valve seat is close to the ball and keep the seal. There is no PTFE bearing on the upper and lower valve stems to reduce friction and save labor. There is no adjusting plate at the bottom of the small shaft to ensure the joint position between the ball and the sealing ring. 2 flanged ball valve is full diameter for pipeline cleaning.
  • Brass Swing Check Valve

    Brass Swing Check Valve

    The disc of the brass swing check valve is disc-shaped and rotates around the shaft of the valve seat passage. Because the channel in the valve is streamlined, the flow resistance is smaller than the lift check valve, which is suitable for occasions where the flow rate is low and the flow is not often changed.
  • Vertical Check Valve

    Vertical Check Valve

    Vertical check valve is a check valve similar to the lift check valve. However, this valve generally has a spring that will 'lift' when there is pressure on the upstream side of the valve. The pressure needed on the upstream side of the valve to overcome the spring tension is called the 'cracking pressure'. When the pressure going through the valve goes below the cracking pressure, the spring will close the valve to prevent back-flow in the process.
  • Three Way Ball Valve

    Three Way Ball Valve

    The Three Way Ball Valve can be divided into L-shaped and T-shaped. The L-shaped Three Way Ball Valve is used to switch the flow direction of the medium, which can connect two channels that are perpendicular to each other; the T-shaped Three Way Ball Valve is used to split, merge and flow the medium. Switch. The T-shaped three-way can make the three channels communicate with each other or make two of them communicate. Three-way ball valves generally adopt a two-seat structure, and can also adopt a four-seat structure according to user requirements.
  • Cast Steel Globe Valves

    Cast Steel Globe Valves

    Cast Steel Globe Valves are linear motion closing-down valves in which the closure member is moved squarely on and off the seat. Usually the closure member is referred as a disc, irrespective of its shape.
  • Related Blog
  • Reviews

  • What is a Seat On a Valve

    For the safety and efficiency of a variety of processes, we rely on the performance of butterfly valve. How sound a butterfly valve is depends on the integrity of the seal.

  • What Maintenance Steps Are Vital for Ensuring the Reliability of a Stainless Steel Butterfly Valve?

    Learn the essential maintenance steps you need to take to ensure reliable performance of your stainless steel butterfly valve in this informative article.

  • What Are the Features of Ball Valves

    The ball valve is not restricted by the installation direction, and the flow direction of the medium can be arbitrary. The fluid resistance is small, and the full-bore ball valve basically has no flow resistance.

  • What is a soft seal butterfly valve?

    Soft-sealing butterfly valve, as a component used to cut off the pipeline system and control the flow, has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on. The butterfly plate of the soft seal butterfly valve is installed in the diameter direction of the pipeline.

  • Selection standard of butterfly valve

    Butterfly valve can be selected in double position regulation, necking channel, low noise, gasification phenomenon, a small amount of leakage to the atmosphere and corrosive medium.

  • How do you select a butterfly valve

    "How do you select a butterfly valve"

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