quarter turn butterfly valve
It is mainly composed of key components such as valve body, butterfly plate, valve stem and drive device. The butterfly plate, as the core component, is installed on the valve stem and located in the center of the valve body. The valve stem is driven by the drive device to rotate, so that the butterfly plate rotates 90° in the pipeline, thereby controlling the flow state of the fluid.
Advantages and features
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Fast opening and closing: The biggest feature of the quarter-turn butterfly valve is that it can achieve fast opening and closing actions. Since the butterfly plate only needs to rotate 90°, the operation time is greatly shortened compared to other types of valves that require a larger stroke to open. In some occasions where the fluid needs to be urgently cut off or quickly opened, such as fire protection systems, emergency venting pipelines, etc., it can respond quickly and provide strong guarantees for safe production and emergency treatment.
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Compact structure: The overall structural design is compact, small in size, and relatively light in weight. This compact structure makes it take up little space during installation and is suitable for pipeline systems with limited space, such as narrow pipeline layouts inside ships and equipment layer pipelines with limited space in high-rise buildings.
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Low flow resistance: When the butterfly plate is in the open state, it has less obstruction to the fluid, making the flow resistance of the fluid in the pipeline low. This feature helps to improve the delivery efficiency of the fluid and reduce energy consumption. In some pipeline systems with large flow transmission, such as urban water supply and natural gas long-distance pipelines, the quarter-turn butterfly valve with low flow resistance can effectively reduce the delivery cost and improve the operating efficiency of the system.
Application Scenario
✔ Building water supply and drainage system: used to control the flow and on-off of water in the water supply and drainage pipelines of buildings. In the domestic water system, adjusting the opening of the butterfly valve can control the water supply pressure and flow of each floor to ensure the stability of residents' water use; in the fire water system, the butterfly valve, as a key control component, can be quickly opened when a fire occurs to ensure the timely supply of fire water.
✔ Petrochemical industry: In the process of petroleum refining, chemical production, etc., it is widely used in the transportation pipelines of various fluid media. In the crude oil transportation pipeline, it is used to control the flow and direction of crude oil; on the feed and discharge pipelines of the chemical reactor, the flow of raw materials and products is accurately controlled to ensure the smooth progress of chemical reactions.
✔ Power industry: In thermal power plants and nuclear power plants, it is used for circulating water systems, steam systems, etc. In the circulating water system, the flow of circulating water is controlled to ensure the normal cooling of the generator set; in the steam system, the flow and pressure of steam are adjusted to ensure the efficient operation of power generation equipment.
FAQ
Q: How does its quarter - turn operation benefit our industrial processes in terms of speed and efficiency?
A: Its quarter - turn operation significantly boosts the speed and efficiency of industrial processes. Since it only needs to rotate 90 degrees to fully open or close, it can quickly regulate the flow of fluids. For example, in a large - scale manufacturing plant where quick changes in the flow of raw materials or cooling fluids are required, it can respond rapidly, reducing the time wasted during transitions.
Q: What types of actuators are compatible with it, and how do they affect the valve's performance?
A: It is compatible with various types of actuators, such as electric, pneumatic, and hydraulic actuators. Electric actuators offer precise control and can be easily integrated into automated control systems, allowing for remote operation and accurate positioning. Pneumatic actuators are known for their fast response times and are suitable for applications where quick opening and closing are crucial. Hydraulic actuators, on the other hand, can provide high torque, making them ideal for large - diameter valves or applications that require significant force to operate. The choice of actuator depends on the specific requirements of your industrial process, and each type has its own impact on factors like speed, precision, and power consumption.
Q: How well does it seal to prevent leakage, especially in high - pressure applications?
A: The sealing mechanism typically consists of a resilient seat and a precisely machined disc. The tight fit between the seat and the disc ensures that when the valve is closed, the fluid flow is effectively blocked. In high - pressure scenarios, the materials used for the seat and disc are carefully selected for their ability to withstand the pressure without deforming or losing their sealing properties.
Q: Can it be customized for specific industry - specific requirements, such as in the food and beverage or pharmaceutical industries?
A: Yes, it can be customized for specific industry - specific requirements. In the food and beverage industry, it can be made from materials that are compliant with food - grade standards, ensuring that the valve does not contaminate the products. The surface finish can be optimized to prevent the accumulation of residues, making it easier to clean and maintain hygienic conditions.
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