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Introduction and characteristics of explosion-proof limit switch

The explosion-proof limit switch box is an on-the-spot instrument for checking the valve condition in the control system. It is used to output the starting or closing position of the valve, which is received by the program flow controller or sampled by the electronic computer, and the next progra... Read More

Structural characteristics and working principle of pneumatic actuators

When the gas shrinks from the A nozzle to the pneumatic actuator, the gas leads the double piston to both sides (the cylinder head end), the worm on the piston turns the gear on the drive shaft 90 degrees, and the shut-off valve opens. At this time, the air on both sides of the pneumatic actuator... Read More

How many types of solenoid valves are there?

Vacuum solenoid valves are divided into three categories. Vacuum solenoid valves are divided into three categories: direct acting, gradual direct acting and dominant. Now I make a summary at three levels: the preface of the paper, the basic principles and characteristics. Direct acting vacuum sol... Read More