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We've been committed to offering easy,time-saving and money-saving one-stop purchasing service of consumer for Pneumatic Ball Valve,Control ball valve,Actuated ball valve, Adhering on the company principle of mutual gains, we have won superior popularity amid our shoppers because of our excellent products and services, excellent products and aggressive selling prices. We warmly welcome shoppers from home and overseas to cooperate with us for common achievements.
Pneumatic Ball Valve, Our company is working by the operation principle of "integrity-based, cooperation created, people oriented, win-win cooperation". We hope we can have a friendly relationship with businessman from all over the world.

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  • 1500LB Globe Valve

    1500LB Globe Valve

    LYV®️ 1500LB Globe valve can meet standards such as API, DIN, ISO, GOST, GB, JIS. Produce size range from NPS10 inch up to 10 inch , DN250 to DN250. Pressure rating covers ANSI Class1500LB and PN250.
  • Gas-over-Oil Actuated BW Ends Ball Valve

    Gas-over-Oil Actuated BW Ends Ball Valve

    LYV®️ Gas-over-oil actuated BW ends ball valve can meet standards such as API, DIN. Produce size range from NPS2 inch up to 24 inch, DN50 to DN600.
  • Pneumatic Forged Ball Valve

    Pneumatic Forged Ball Valve

    LYV®️ is a experienced China Pneumatic Forged Ball Valve manufacturer. This valve is a high-performance fire-resistant valve suitable for various heavy-duty applications. It complies with international standards such as API-6A, API-6D, ASME-B16.34, and ISO-17292, as well as API-6FA fire-resistant certification.LYV®️ is always committed to providing you with reliable and high-performance industrial valve solutions.
  • 1500LB Swing Check Valve

    1500LB Swing Check Valve

    As a type of Check valve, the 1500LB swing check valve uses the swing disk as the sealing structure. , and uses carbon steel as body material. LYV®️ 1500LB swing check valve can meet standards such as API, DIN.
  • Electric Actuated Trunnion Mounted Ball Valve

    Electric Actuated Trunnion Mounted Ball Valve

    LYV® is a professional China quality Electric Actuated Trunnion Mounted Ball Valve manufacturer. This Electric Actuator Trunnion Mounted Ball Valve is designed to meet the high-pressure, safety and automation control requirements of industrial pipelines. It combines the robust ear-type structure with reliable electric drive, providing stable and reliable "remote control" shut-off capability at critical positions.
  • Swing Check Valve

    Swing Check Valve

    LYV® is a China quality swing check valve supplier. This Industrial Swing Check Valve is a type of valve that automatically opens and closes based on the flow of the medium itself. Its main function is to prevent the backflow of the medium in the pipeline, thereby protecting the upstream equipment and ensuring the safety of the system.This API 6D Swing Check Valve features flexible opening and closing, reliable sealing, and easy maintenance as a high performance pipe safety equipment.
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  • Reviews

  • How does a ball valve work?

    The working principle of a ball valve is to control the flow of fluid by rotating the ball. The main components of a ball valve include the ball body, valve seat, valve stem, and handle. When the handle rotates, the valve stem drives the ball to rotate, thereby changing the shape of the channel inside the valve body and achieving fluid on/off control.

  • How Can a Check Valve Improve Your Fluid System Efficiency?

    Check Valve is an essential component in fluid systems, designed to allow flow in one direction while preventing backflow. From industrial pipelines to residential water systems, check valves ensure smooth operation, reduce equipment damage, and maintain safety. Zhejiang Liangyi Valve Co., Ltd. specializes in manufacturing high-quality check valves suitable for diverse applications.

  • What Is a Reduced Bore Ball Valve and Why Is It Widely Used?

    ​A Reduced Bore Ball Valve is one of the most commonly used valve types in modern industrial pipeline systems due to its compact design, cost efficiency, and reliable shut-off performance. Unlike full bore designs, the internal bore diameter of a reduced bore ball valve is smaller than the pipeline diameter, allowing manufacturers and end users to achieve better pressure control and lower material costs without sacrificing sealing reliability.

  • How to Extend the Lifespan of Control Valves?

  • What is the structure and characteristics of a butterfly valve?

    Butterfly valves have the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, fast switching, 90 ° reciprocating rotation, and small driving torque. They are used to cut off, connect, and regulate the medium in pipelines, and have good fluid control characteristics and closing sealing performance.

  • How to Install a Ball Valve

    Proper ball valve installation is critical for ensuring leak-free operation and long-term reliability in piping systems. This comprehensive guide from LYV covers professional installation techniques, product specifications, and maintenance best practices for our high-quality ball valves. You'll learn step-by-step procedures, key technical parameters, and expert tips to achieve optimal performance.

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