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مکانیک::
نشیمن گاه شیر
the valve is determined by a closure element- the valve seat, which is driven by an actuator This definition reveals that a valve is a very simple device.
pressure, a valve seat to manipulate the fluid, and an actuator to control the position of the valve
Bistable microvalves can actively open and close the valve seat; an off-state is not defined.
In the analog, or proportional, mode, at a constant inlet pressure, the valve actuator varies the gap between the valve seat and valve opening to change the fluidic resistance and, consequently, the flow rate.
m What is the optimal form of valve spring and valve seat for the maximum closure pressure and
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