Air volume control valve actuator (manual and electric dual-purpose type)

The air volume control valve actuator (manual electric dual-purpose type) is a device that combines manual and electric operation modes. It can adjust the air volume by manually rotating the handwheel, and can also be remotely or automatically controlled by electric drive. The following is a detailed analysis of this actuator:

1. Composition structure

The air volume control valve actuator (manual electric dual-purpose type) is mainly composed of the following parts:

Housing: Usually made of sturdy and durable materials to protect the internal mechanical components and prevent the external environment from affecting the equipment.

Manual operating mechanism: including mechanical transmission components such as handwheels and connecting rods, allowing users to change the opening of the valve by manually rotating the handwheel.

Electric actuator: including motors, reducers, position sensors and other components, used to receive control signals and drive the valve to open, close or adjust operations.

Control system: may include an intelligent control module for receiving external signals (such as temperature, pressure, flow, etc.) and controlling the action of the electric actuator according to preset logic.

Seal: used to ensure the sealing performance of the valve in the closed state to prevent medium leakage.

2. Working Principle

Manual operation: When the user needs to manually adjust the air volume, the hand wheel can be rotated to drive the connecting rod to change the opening of the valve. This operation method is simple and direct, and is suitable for emergency operations when the air volume needs to be adjusted quickly or when the power fails.

Electric operation: When the system needs to remotely or automatically control the air volume, the electric actuator will receive a signal from the control system. After the motor is started, the speed is reduced and the torque is increased through the reducer, and then the valve is driven to open and close or adjust the operation. The position sensor monitors the opening of the valve in real time and feeds back the information to the control system for precise control.

3. Scope of application

Air volume control valve actuators (manual and electric dual-purpose) are widely used in various occasions where precise control of air volume is required, such as:

Ventilation system of industrial plants

HVAC system of civil buildings

Hospitals, laboratories and other places that require special air environment

These places usually have high requirements for air volume control, and may need to be adjusted in real time according to environmental changes. Therefore, manual and electric dual-purpose air volume control valve actuators can meet these needs and provide flexible and reliable air volume control solutions.

4. Advantages and Features

High flexibility: supports both manual and electric operation to meet the use requirements in different scenarios.

High control accuracy: precise control is achieved through electric actuators and intelligent control modules to improve the stability and reliability of the system.

Easy maintenance: The manual operating mechanism facilitates the maintenance of the electric actuator and can be manually adjusted even in the event of a power failure.

Safe and reliable: It has multiple protection mechanisms (such as overload protection, limit protection, etc.) to ensure the safety of the equipment during operation.