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Structural characteristics of manual reversing valve

Structural characteristics of manual reversing valve

  • Categories:Industry news
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  • Time of issue:2020-08-23
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(Summary description)Manual reversing valve, also known as Chris valve, is a kind of valve with multi-directional adjustable channels that can change the flow direction of fluid in time. This kind of change valve has a wide range of applications in petroleum and chemical production, and is used in synthetic ammonia gas production systems. Most commonly used. In addition, the reversing valve can also be made into a valve flap structure, which is mostly used in small flow occasions.

Structural characteristics of manual reversing valve

(Summary description)Manual reversing valve, also known as Chris valve, is a kind of valve with multi-directional adjustable channels that can change the flow direction of fluid in time. This kind of change valve has a wide range of applications in petroleum and chemical production, and is used in synthetic ammonia gas production systems. Most commonly used. In addition, the reversing valve can also be made into a valve flap structure, which is mostly used in small flow occasions.

  • Categories:Industry news
  • Author:
  • Origin:
  • Time of issue:2020-08-23
  • Views:0
Information

Manual reversing valve, also known as Chris valve, is a kind of valve with multi-directional adjustable channels that can change the flow direction of fluid in time. This kind of change valve has a wide range of applications in petroleum and chemical production, and is used in synthetic ammonia gas production systems. Most commonly used. In addition, the reversing valve can also be made into a valve flap structure, which is mostly used in small flow occasions. When working, only need to turn the handwheel to change the flow direction of the working fluid through the valve flap.

1. The valve body of the manual reversing valve is divided into two chambers by a partition, each chamber has 3 channels, the middle is the oil inlet, the two ends are the oil outlets, the valve body is a carbon steel plate welded structure, which is small in size and light in weight. , The structure is compact, the utilization rate of materials is improved, the production cycle is shortened, and the cost is reduced. The sealing surface is welded with stainless steel to prevent rust and corrosion. The sealing surface is polished and ground after finishing, and the surface roughness Ra≤0.8μm.

2. The manual reversing valve has two sets of sealing components. Each group of sealing components is composed of valve disc, sealing ring, adjusting block, adjusting screw, splint and bolt. The valve clack is a carbon steel plate weldment with reinforcing ribs to increase the strength of the valve clack and play a guiding role to ensure the coaxiality between each group of valve clack. The valve clack is inlaid with a polyurethane rubber ring. The material is oil-resistant and The characteristics of wear, stable performance, good sealing and long service life. Under the action of the cam, the spherical surface of the sealing ring contacts the sealing surface of the valve body to produce squeezing elastic deformation to achieve the sealing effect. The adjusting block and the adjusting screw are sealed in two groups. When the components cannot be synchronized in place, they can be adjusted to ensure that the sealing performance of each channel is synchronized in place.

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