1.The pneumatic temperature-controlled ball valve is a fluid control device that combines a pneumatic actuator with a ball valve and automatically adjusts the valve opening through a temperature sensor and control system. It can precisely control the flow of steam, hot water or cooling water according to the temperature changes of the medium in the pipeline, and is widely used in industrial fields such as chemical engineering, petroleum, HVAC and power
The operation of a pneumatic temperature-controlled ball valve typically involves the following three steps: 1. Signal acquisition: The temperature sensor (such as a thermal resistor PT100) monitors the temperature of the pipeline medium in real time.
2. Signal processing: The temperature controller or intelligent PID regulator receives the signal and compares it with the set temperature.
3. Drive execution: The regulator outputs a 4 ~ 20mA electrical or pneumatic signal to the electrical valve positioner. The positioner controls the compressed air to enter the pneumatic actuator, driving the ball to rotate 0 to 90 degrees, thereby changing the medium flow area and restoring the temperature to the set value。
The operation of a pneumatic temperature-controlled ball valve typically involves the following three steps: 1. Signal acquisition: The temperature sensor (such as a thermal resistor PT100) monitors the temperature of the pipeline medium in real time. 2. Signal processing: The temperature controller or intelligent PID regulator receives the signal and compares it with the set temperature. 3. Drive execution: The regulator outputs a 4 ~ 20mA electrical or pneumatic signal to the electrical valve positioner. The positioner controls the compressed air to enter the pneumatic actuator, driving the ball to rotate 0 to 90 degrees, thereby changing the medium flow area and restoring the temperature to the set value
