FLOWX Engineer 86-21-54150349
There are several classifications of the electric actuators. And different electric actuators are equipped with different electric actuator core parts. The first kind of electric actuator is electric actuators with multiple rotations, which is the most commonly used and most reliable actuator. And the electric actuator core parts of this kind are motor drive, whose function is to leads to the rotation of gears or worm and gear even the screws. And the crews are able to move to close and open the valves. And the electric actuators with multiple rotations are able to drive valves with large size. In order to protect the valves from being damaged, the limit switch on the end of the valve stroke is able to cut off the power automatically. And when the safety moment has been exceed, the moment sensor will cut off the power as well. The main advantage of this kind of electric actuators is that all electric actuator core parts are installed into the same shell, integrating all kinds of advanced functions like water proof, dust proof as well as explosion resistance.
The second kind of actuator is electric actuator with single rotation. It is similar to electric actuator with multiply rotations. The main difference between them is that the electric actuator with single rotation is more complex. The electric actuator core parts of this type are parameter setting and faults diagnosis function. And this kind of electric actuator is able to install battery to realize safety operation.
And there is also electric actuator with straight line. This kind of electric actuator can be used to operate straightway valve and brake valve. And the electric actuator core parts are pneumatic and hydraulic operation. And it has the features of simple mix and reliable operation, which is beneficial to realize safety operation model. Generally people would like to use electric actuators with multiple rotations to drive the brake valve and stop valve. Only under the condition of power off can pneumatic and hydraulic actuator be used.
Another kind of electric actuator is electric actuator with single rotation flow drive. And electric actuator core parts of pneumatic actuators and hydraulic actuators are similar. They do not need power with simple structure and reliable performance. And they have wide application range. They use cylinder and gearings to transform straight movement into right angle. And the gearings of the electric actuators have equal torque within the whole travel. And they are suitable for valves with small size. And the shifting fork has high efficiency, which fits for equal torque within the whole travel. And they are suitable for valve with small size. And the electric actuator core parts also include locators, magnetic valve as well as position switch.