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2023.08.23

Analysis of accident causes and handling methods for electric actuators

1. High temperature causes aging of components and damage to the electric actuator of the induced draft fan. When exposed to indoor radiation temperature and ambient temperature, it can sometimes reach over 35 degrees Celsius. Such high temperatures are often deadly for electronic components, and sustained high temperatures are enough to cause component aging and damage to the electric actuator. 2. Dust causes short circuits between components and damages the circuit board. When used for a long time, the seal of the electric actuator is damaged, and dust takes the opportunity to enter. In addition, the condensation formed by temperature difference changes directly adheres to the circuit board, causing short circuits and damage to the components and integrated blocks.

Analysis of accident causes and handling methods for electric actuators

2023.08.23

Classification, selection, and operation of electric actuators

Determine electrical parameters based on the selected electric actuator. Due to differences in electrical parameters among different electric actuator manufacturers, it is generally necessary to determine their electrical parameters during design and selection, mainly including motor power, rated current, secondary control circuit voltage, etc. In this regard, errors often occur, resulting in mismatched parameters between the control system and the electric actuator, causing tripping during operation, fuse melting, etc Fault phenomena such as thermal overload relay protection tripping.

Classification, selection, and operation of electric actuators

2023.08.23

Choose pneumatic and electric actuators based on valve torque

Outdoor series: When a certain torque is applied to the output shaft, the worm not only rotates but also produces axial displacement, which drives the crank and cam to compress the micro switch, cut off the motor power supply, and stop the motor when it operates. This achieves the control of the output torque of the electric actuator and protects the electric valve.

Choose pneumatic and electric actuators based on valve torque

2023.08.23

The role and application fields of pneumatic actuators

Pneumatic actuators are used to drive switch valves or linkage mechanisms, using compressed air as the power source. Has good explosion-proof and fire resistance. The application fields almost cover all production plants, oil fields, petrochemical plants, all chemical plants, machinery production plants, thermal power plants, automobile and motorcycle production plants, and so on. If you want to operate this product, the scope is very broad, but the competition is also fierce, so you should be cautious.

The role and application fields of pneumatic actuators

2023.05.24

The difference between pneumatic control valves and electric control valves

The electric regulating valve is composed of an electric actuator and a regulating valve, and its main characteristics are: 1. Light weight and beautiful appearance. 2. Functionally, it can replace many products with incomplete functions, simplify the design, and solve the shortcomings of complex factory management, complex selection, and large maintenance workload. 3. The adjustable ratio of electric control valves is large, usually up to 100, and good adjustability can be guaranteed from 10% to 90% of the opening. 4. Smooth operation and extremely high reliability can solve the fatal structural defects of traditional valves with large leaks. 5. Excellent on/off characteristics, zero leakage, solving the fatal structural defect of large leakage in traditional valves.

The difference between pneumatic control valves and electric control valves
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