Dynamic analysis of the working principle of 45 valve structures

- Oct 07, 2019-

The pneumatic system is a working medium for compressing gas. It forms a basic circuit with different functions through various components, and then organically combines several basic circuits to transmit and control power or signals.


The key to the design of the pneumatic system is to start from the perfect air source system, select the preferred and rational use of pneumatic components, comprehensively use the aerodynamic fluid dynamics and pneumatic system dynamics, optimize the design of the pneumatic system circuit, and make the terminal gas pressure change according to the predetermined law.



The pneumatic circuit is designed to drive mechanical devices for a variety of different purposes, the most important of which are: the magnitude of the force, the direction of the force and the speed of movement. The various types of cylinders connected to the production unit control the three contents by the pressure control valve, the directional control valve and the flow control valve, respectively.


First, the solenoid valve


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Three-position three-way solenoid valve


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Three-position four-way solenoid valve


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Two-position three-way solenoid valve


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Two-position two-way solenoid valve


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Two-position four-way solenoid valve

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Direct control solenoid valve


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Direct contact solenoid valve


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Pipeline contact solenoid valve


Second, the butterfly valve



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Third, the diaphragm valve


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Fourth, the stop valve


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Five, orifice valve


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Six, cage valve


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Seven, pneumatic diaphragm valve


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Rolling film cylinder piston actuator


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Pneumatic valve positioner


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Pneumatic diaphragm regulator


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Force-enhancing regulating valve on the side of the membrane head


Eight, ball valve


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Nine, three-way valve


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Ten, regulating valve


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