Which one has better liquid sealing performance, V-type ball valve or O-type ball valve?
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Which of these two ball valves has a better sealing effect on liquid when closed? For various liquids, such as solutions, emulsions, easy-to-dry materials, etc., which sealing effect is better?
This post was last edited by sinoeng at 2023-11-5 17:59 V-shaped ball valve. A sealing cavity is formed between the ball and the valve cover. When the ball and the valve cover move relative to each other, the medium in the sealing cavity can fill the gap between the ball and the valve cover, thereby achieving sealing. High-temperature materials such as ductile iron for the ball and valve cover have good high-temperature resistance, reducing the risk of the sealing performance being affected.
Both V-type ball valves and O-type ball valves have good sealing performance, but they are suitable for different occasions. The V-shaped ball valve has relatively good sealing performance and is particularly suitable for handling media prone to particle deposition, such as solutions, emulsions, etc. The V-shaped ball valve achieves precise fluid regulation through the V-shaped cutting sealing structure, which has strong cutting and removal effects and can prevent particle accumulation from affecting the sealing performance. Therefore, the V-shaped ball valve has a better sealing effect when handling these liquids. O-type ball valve is suitable for general fluid processing, such as water, gas, oil, etc., and its sealing performance is also very good. However, for materials that are easy to dry or liquids that are prone to scaling, the O-type ball valve may not be able to guarantee the same high sealing performance. Generally speaking, the sealing performance of V-type ball valves and O-type ball valves is different for different liquids. For liquids such as solutions and emulsions that are prone to particle deposition, the sealing effect of V-shaped ball valves will be better. For general fluid handling, such as water, gas, oil, etc., both have good sealing properties. In practical applications, the appropriate ball valve should be selected based on the specific characteristics of the liquid and process requirements. .
The main application occasions of the two are different, and the sealing performance is not the main difference between them. The O-type ball valve is used to cut off the medium. As long as it is selected correctly, there will be no problem with sealing. V-shaped ball valves are mainly used in working conditions that require flow adjustment, and their sealing is also very good.
The sealing effect of the O-shaped ball valve must be very poor, so I asked if the V-shaped ball valve could be better. As for which one of them is more suitable for adjustment, it is not within my current consideration.
In terms of sealing performance, nothing is better than the zero-friction telescopic ball valve! Maintain sealing of level V or above for a long time.
Does anyone who has used these two types of valves in the same position post actual comparison results?