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The insulation stop valve is widely used in industries such as petroleum, chemical, metallurgy, and pharmaceuticals to handle high-viscosity media that tend to solidify at normal temperatures. This type of valve, specifically the BJ45W DC jacketed insulation stop valve, features an insulated jacket between its flanges. The valve includes two connection ports on either side of the flange for steam or heat circulation within the jacket. This design ensures that the medium inside the pipeline remains fluid and prevents crystallization, making it ideal for use in chemical and fertilizer production systems.
One of the key advantages of the heat-insulating stop valve is its simple structure, which makes it easy to manufacture and maintain. It also has a short working stroke, allowing for quick opening and closing operations. The sealing performance is excellent, with minimal friction between the sealing surfaces, contributing to a longer service life. However, there are some disadvantages to consider. The valve experiences significant fluid resistance, requiring more force to open and close. It is not suitable for media containing particles, highly viscous substances, or materials prone to coking. Additionally, the valve's ability to regulate flow is limited compared to other types of valves.
In summary, the insulation stop valve is a reliable choice for applications where maintaining the temperature of the transported medium is crucial. Its design helps prevent blockages caused by solidification, making it an essential component in many industrial processes. Despite its limitations, it remains a popular option due to its durability and efficiency in specific environments.
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