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日本SMC电气比例阀，SMC电气比例阀工作原理
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. When the port 2(A) pressure drops to reach a balance, the regulator returns to the set state.
Conversely, if the port 2(A) pressure is lower than the pilot pressure, F2 becomes lower than F1.
This causes the pressure regulating piston to move the valve to the left, and the supply valve seat to open,
allowing the air to be supplied from port 1(P) to port 2(A). When the port 2(A) pressure balances, the regulator reuturns to the set state.
Having the amplifier built into the electropneumatic pilot valve, only an external power supply and signal (voltage, current) need to be connected.
Using the VVEXB/2/4 series, a maximum 10 station manifold is possible.
Piping labor reduced A flexible system has been adopted.
Application example Capable of performing multistage pressure control and stepless pressure control by varying the electrical
Ease of handling
The supply [1(P) to 2(A)] valve of valve y and the exhaust [2(A) to 3(R)] valve close due to the balance between actuating forces F1
and F2. Actuating force F1 is applied to the right surface of pressure regulation piston e by the pilot pressure
(pilot valve assembly w: VY2D00-00), and actuating force F2 is applied to the left surface of
the pressure regulation piston by the port and pressure that passes through the feedback passage.
This hybrid regulator combines a regulator and a solenoid valve.
Stepless control through electric signals
Simple circuit configuration
Port sizes M5 to 2 inches can be covered by combining an ultra-compact electro-pneumatic pilot valve and a 3 port high-capacity exhaust main regulator.
Thus, the port 2(A) pressure that coprresponds to the pilot pressure is established.
When the port 2(A) pressure becomes higher than the pilot pressure, F2 becomes greater than F1.
This causes only the pressure regulation piston to move to the right,
and the exhaust valve seat to open, allowing the air to be discharged from port 2(A) to port 3(R)
Manifold capable
VY2 Maximum operating pressure: 0.7 MPa Power consumption: 0.8 W Operating time (Estimated service life): 7000 Hr
[Ultra dries air (Dew point -40°C or equivalent)] Made to Order VY1 Maximum operating pressure:
0.9 MPa Power consumption: 1.8 W Operating time (Estimated service life): 3000 Hr
[Ultra dries air (Dew point -40°C or equivalent)]
日本SMC电气比例阀，SMC电气比例阀工作原理
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