What is the minimum opening pressure of the pneumatic louver butterfly valve knob control box? The pneumatic butterfly valve is lighter than the pneumatic butterfly valve of the same caliber, has high cost performance ratio, and requires much less actuator torque. Therefore, the pneumatic butterfly valve is widely used in the large caliber plugging occasions where the pneumatic butterfly valve does not play a very important role. However, the sealing function of pneumatic butterfly valve is weaker than that of pneumatic butterfly valve, so it is not suitable for occasions with strict leakage requirements.
、 Third, you should also pay attention to the materials of butterfly valves. Now these butterfly valves are usually made of PTFE products, which can achieve better service effect and longer service life. When purchasing butterfly valves, you can pay attention to the specific materials used, and effectively judge the quality and grade of the products.
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