What is the difference between pneumatic hard seal regulating butterfly valve knob control box and stop valve? Finally, of course, the temperature of the working environment of the pneumatic butterfly valve should be between - 30 ° C and 60 ° C, and the relative humidity should not exceed 95%. However, straight pipe sections are required at the front and back of the butterfly valve, and their length should not be less than 10 times the pipe diameter, in case the straight pipe section of the valve is too short, which will eventually affect the flow characteristics.
、 The pneumatic butterfly valve can be divided into fixed ball and elastic ball. The use, operation and installation methods are different, so there will be some differences in the role of the pneumatic butterfly valve with fixed ball. For example, during the operation of the pneumatic butterfly valve with fixed ball, the ball is completely fixed, that is, when the operation starts, the butterfly valve will not move, It is completely inside the floating butterfly valve, and has a special butterfly valve base, which can be used to fix the operation of the butterfly valve.
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