What do you understand about the bladder type electric butterfly valve?
What do you understand about the bladder type electric butterfly valve?, Here is a detailed introduction to this issue:
a. The rigidity of the electric butterfly valve is related to the change rate dF/dx of the effective area of the butterfly valve. Therefore, for the bladder electric butterfly valve with a large change rate of the effective area, the butterfly valve has a large rigidity and a high vibration frequency.
b. From the frequency calculation formula of electric butterfly valve, it can be seen that when the volume of electric butterfly valve is larger, its stiffness is lower. Therefore, the rigidity of the electric butterfly valve can be reduced by using the auxiliary air chamber. In the case of high pressure, increasing the volume of the auxiliary air chamber has a more obvious effect on the stiffness. However, this effect will decrease with the increase of volume. Therefore, for the bladder type electric butterfly valve, a lower vibration frequency can be obtained by properly selecting the effective area change rate of the butterfly valve and the volume of the auxiliary air chamber.
c. As the number of curves increases, the deformation can be evenly shared by each curve, so the more the number of curves, the smaller the change rate of effective diameter. It can be seen that increasing the curvature number will reduce the rigidity of the bladder type electric butterfly valve and reduce the vibration frequency of the butterfly valve.
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