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Yoke

Yoke Valve

Yoke Valve

Yoke valves, commonly found in gate valves and globe valves, are essential components in industrial piping systems, providing reliable shut-off and control of fluid flow. The yoke connection plays a crucial role in supporting the valve stem and actuator, ensuring smooth operation and efficient performance in various applications.


Yoke valves are built with robust materials such as cast iron, carbon steel, or stainless steel, ensuring durability and longevity in demanding industrial environments. The yoke connection adds strength and stability to the valve assembly, enhancing its structural integrity and resistance to mechanical stress.

Application Industries

  • Oil and Gas Production
  • Petrochemical Processing
  • Power Plant Operations
  • Refining Operations
  • Chemical Manufacturing
  • Marine and Shipbuilding
  • Mining and Mineral Processing
  • Water and Wastewater Treatment
  • Yoke valve design
  • Advantages and Disadvantages
  • Features

General Info

The design of a yoke valve, typically seen in gate valves and globe valves, comprises several key components that work together to facilitate smooth operation and efficient fluid control.

  • Body : The body of the yoke valve provides the main housing for the internal components and serves as the primary interface with the piping system. It is usually made of robust materials such as cast iron, carbon steel, or stainless steel to withstand high pressure and temperature conditions.
  • Bonnet : The bonnet is attached to the top of the valve body and provides a cover for the internal components, including the stem and sealing elements. It is securely bolted or threaded to the body to create a pressure-tight seal, preventing leakage of the fluid being controlled.
  • Yoke : It is typically mounted on top of the bonnet and extends upward to connect to the actuator or handwheel. The yoke ensures proper alignment and stability of the stem during operation, minimizing the risk of stem deflection or misalignment.
  • Stem :The stem is a critical component that connects the actuator or handwheel to the valve's internal mechanism
  • Sealing Elements :The sealing elements, such as packing rings or gland seals, are installed around the stem to prevent leakage of the fluid through the bonnet.

Advantages and Disadvantages

Here are some advantages of Yoke valves:

  • Yoke valves feature robust sealing mechanisms, such as gland seals or packing rings, which provide a tight seal to prevent leakage of the fluid being controlled, ensuring system integrity and safety.
  • Yoke valves are suitable for a variety of industries and applications, including oil and gas, petrochemical, power generation, water treatment, and more, where reliable shut-off and control of fluid flow are essential.
  • The yoke connection provides secure support for the valve stem, ensuring proper alignment and stability during operation, which reduces the risk of stem deflection or misalignment, prolonging the valve's service life.

A few disadvantages of Yoke valves are:

  • Yoke valves have a relatively complex design compared to some other types of valves, which may result in higher manufacturing costs and maintenance requirements.
  • While yoke valves are designed to provide reliable sealing, there is still a risk of leakage, particularly if the sealing elements become worn or damaged over time. Regular maintenance and inspection are necessary to ensure proper valve performance and prevent leakage issues.
  • Yoke valves may have limited flow capacity compared to other types of valves, such as ball valves or butterfly valves, which may restrict their suitability for high-flow applications.
  • Yoke valves require periodic maintenance, including lubrication of moving parts, inspection of seals, and replacement of worn components, to ensure optimal performance and reliability. Failure to perform regular maintenance can lead to operational issues and downtime.

Features

  • Yoke valves are adaptable to different piping systems and operating conditions, with various configurations and sizes available to meet specific application requirements.
  • Yoke valves are capable of handling high-pressure and high-temperature fluids, making them suitable for demanding industrial environments.
  • Yoke valves are designed and manufactured to meet industry standards and regulations for safety, performance, and reliability.
  • Yoke valves are suitable for various industries and applications, including oil and gas, petrochemical, power generation, water treatment, and more, where reliable shut-off and control of fluid flow are essential.
  • Yoke valves can be operated manually using a handwheel or automatically using an actuator, providing flexibility in controlling fluid flow based on application requirements.