The role of the pneumatic triads

The role of the pneumatic triads

Function of the filter:
The air filter in the pneumatic valve triad is to filter the water in the air source. Since most of the gas source is not purified and contains water, and the water in the gas source causes damage to the solenoid valve, cylinder and valve, the air filter to remove the water before the gas source enters the valve. There are two kinds of filter pressure relief valve, one is automatic drainage, one is manual drainage. The cost of automatic drainage is relatively high, but it is easy to use. The filter sets the pressure proportional to the water, when the water volume reaches a certain degree, then automatic drainage. Manual drainage requires at least once a month. Generally speaking, domestic hand to pull outside, the import is to the inside of a press will discharge water.

Function of the solenoid valve:
The pneumatic valve controls the solenoid valve to control the role of the valve switch. Generally speaking, two three-way solenoid valves are usually used with single-action pneumatic actuator, and two five-way solenoid valves are usually used with two-action pneumatic actuator.

Function of the limit switch:
The valve device is on the pipeline, can not directly see the switching state of the valve, can not intuitively see the opening of the valve. Limit switch, also known as the valve position indicator, through the cylinder shaft linkage, can direct the valve opening, so that you can intuitively see the switch state of the valve outside.

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