What is the pneumatic butterfly valve regulating valve with cut-off? For the use of the whole product of pneumatic butterfly valve, natural users should also pay attention to their own use of the product, that is, the quality of the product is also very different, which is why users can make a good selection of its products when they purchase, How to choose? First of all, we should pay attention to the manufacturer of its products.
、 2、 The classification of pneumatic butterfly valves generally has different categories. Although the main functions are the same, there are still some slight differences. The difference between butterfly valves is actually the difference between balls. They are divided into three categories: floating ball, fixed ball, elastic ball. The three categories have different characteristics and advantages. As the name suggests, the floating ball is floating, It can often ensure better sealing performance. In addition, its own structure is also very simple. However, the pressure it bears is limited, and it is not suitable for use at high pressure, and it is suitable for use at medium and low pressure. If it is a high-pressure environment, use a fixed ball. The structure of the fixed ball is more complex. A variety of structures are used to fix the ball. That is why it can withstand high pressure. The elastic sphere itself is elastic and suitable for high temperature and high pressure environment. However, due to its elasticity, external force is required to intervene sometimes.
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