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

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  • 2 Inch Female Thread Brass Ball Valve

    2 Inch Female Thread Brass Ball Valve

    You can rest assured to buy customized 2 Inch Female Thread Brass Ball Valve from us. We look forward to cooperating with you, if you want to know more, you can consult us now, we will reply to you in time!
  • Flange Double Offset Butterfly Valve

    Flange Double Offset Butterfly Valve

    Milestone Valve Co. Ltd. is a manufacturer specializing in the production of valves. It independently designs, develops, and produces various industrial valves such as butterfly valves, gate valves, ball valves, and check valves; among them, the self-designed Flange double offset butterfly valve has greatly eliminated the structure Excessive squeezing and scraping between the disc and the valve seat can reduce the opening resistance, reduce wear, and increase sealing performance and service life; Flange double offset butterfly valve is mainly used in petroleum, metallurgy, water treatment, water supply and drainage and other fields.
  • Manual Globe Valve

    Manual Globe Valve

    Manual globe valve is a kind of globe valve. It drives the valve rod to move by rotating the hand wheel, and the valve rod drives the valve plate to move up and down to achieve the effect of opening and closing the valve.
  • Screw Ball Valve

    Screw Ball Valve

    Screw ball valve is suitable for PN1.0 ~ 4.0MPa, the working temperature of -29 ~ 180℃ or -29 ~ 300℃ of various pipelines, used to cut off or connect with the medium in the pipeline.Screw ball valve is suitable for PN1.0 ~ 4.0MPa, the working temperature of -29 ~ 180℃ or -29 ~ 300℃ of various pipelines, used to cut off or connect with the medium in the pipeline.
  • Silent Check Valve

    Silent Check Valve

    Silent check valve is mainly composed of valve body, valve seat, guide body, valve disc, bearing, spring and other main parts. Streamline design is adopted for internal passage to minimize pressure loss. The valve disc has a very short starting and closing stroke, which can be quickly closed when the pump is stopped to prevent huge water hammer sound, and has the characteristics of silent closing
  • Soft Seal Butterfly Valve

    Soft Seal Butterfly Valve

    Milestone is one of the famous China Soft Seal Butterfly Valve manufacturers and suppliers. Our factory specializes in manufacturing of Soft Seal Butterfly Valve. Welcome to buy Soft Seal Butterfly Valve from Milestone. Every request from customers is being replied within 24 hours. Soft seal butterfly valve, as a component used to control pipeline system and flow has been widely used in many fields such as petroleum, chemical industry, metallurgy, hydropower and so on.
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  • Reviews

  • How check valve works

    The structure of the check valve can be divided into two categories: one is the spherical check valve, whose door body is spherical and can automatically open or close; the other is the disc check valve, whose door body is round The shape of the flap prevents backflow based on the pressure of the fluid.

  • 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 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.

  • How do you install a Trunnion Type Mounted Ball Valve?

    Learn how to install a trunnion type mounted ball valve with ease!

  • What is an insulated ball valve? Working principle of thermal insulation ball valve

    Thermal insulation ball valve is a special kind of ball valve with good thermal insulation performance. It can transport high-temperature steam or high-temperature thermal oil through the jacket layer, which can effectively prevent the loss of heat energy and achieve the thermal insulation effect, so that the medium is not easy to solidify and crystallize.

  • Why Is the Butterfly Non Return Valve the Smart Choice for Your Industrial System?

    In the world of industrial fluid control, precision, reliability, and efficiency determine success. Among various valve types, the Butterfly Non Return Valve has become a preferred solution for engineers and maintenance professionals worldwide. Designed to prevent backflow and maintain a steady, one-way flow of liquids or gases, this valve ensures system safety and long-term operational stability.

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