How to cooperate with single-acting pneumatic actuator anti-corrosion solenoid valve

Generally used with single-acting pneumatic actuators, two-position three-way control two positions: on-off, the three-way has three ventilation channels, under normal circumstances, one channel is connected to the air source, the other channel is connected to the inlet of the actuator, and the other One passage is connected to the exhaust port. For the specific working principle, see the working principle diagram of a single-acting pneumatic actuator. Double-acting is generally used in conjunction with double-acting pneumatic actuators, that is, on-off. The five-way has five air passages, one of which is connected to the air source, and two air passages are connected to the air inlet of the outer chamber of the double-acting cylinder , The two air passages are connected, the specific working principle can refer to the working principle of double-acting pneumatic actuator.

As far as the gas circuit (or liquid circuit) is concerned, the two-position three-way solenoid valve has 1 air inlet (connected to the air source), 1 air outlet (the air source provided to the target device) and 1 exhaust port ( Generally, a muffler is installed, if you are not afraid of noise, you don’t need to install it). There are 1 air inlet (connected to the air inlet source), 1 positive port, 1 reaction port (respectively provided to the target device), 1 positive port and 1 reaction port (with muffler installed). For small automatic control devices, 8~12mm industrial colloidal trachea are generally used. Japan's SMC (high-end, but a small Japanese product), Taiwan's AirTAC (affordable price, good quality) or other domestic brands. In terms of electrical performance, single-electric control (ie, single coil) is generally used, and dual-electric control (ie, dual-coil) is used. The coil voltage level is generally DC24V, AC220v, etc. There are two types: normally closed normally open and normally closed normally open. When the normally closed normally open coil is not energized, the air circuit is disconnected, and when the normally closed normally open coil is not energized, the air circuit is unblocked. The operating principle of the normally closed two-position three-way solenoid valve: energize the coil and connect the air circuit. Once the coil is de-energized, the air circuit of the 24v solenoid valve will be disconnected, which is equivalent to "jogging".