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Pneumatic ball valve no response signal should do.


Release time:

2022-03-12

Wuxi Xinming automatic control valve industry to introducePneumatic ball valveNo response signal should do. Pneumatic ball valve only need to use pneumatic actuator with a gas source to rotate 90 degrees of operation and a small torque can be closed tightly. Completely equal body cavity for the medium to provide a small resistance, straight-through flow. It is generally thought that the ball valve is suitable for direct opening and closing. The main feature of the ball valve is its own compact structure, easy operation and maintenance, suitable for water, solvents, acids and natural gas and other general operating media, but also suitable for poor operating conditions, such as oxygen, hydrogen peroxide, methane and ethylene. The ball valve body can be all or combined.

Pneumatic ball valve no response signal should do.

Wuxi Xinming automatic control valve industry to introducePneumatic ball valveNo response signal should do.
Pneumatic ball valve only need to use pneumatic actuator with a gas source to rotate 90 degrees of operation and a small torque can be closed tightly. Completely equal body cavity for the medium to provide a small resistance, straight-through flow. It is generally thought that the ball valve is suitable for direct opening and closing. The main feature of the ball valve is its own compact structure, easy operation and maintenance, suitable for water, solvents, acids and natural gas and other general operating media, but also suitable for poor operating conditions, such as oxygen, hydrogen peroxide, methane and ethylene. The ball valve body can be all or combined.
       Pneumatic ball valveThe ball valve is equipped with a pneumatic actuator. The performance speed of the pneumatic actuator is relatively fast, and the fast switching speed within the range is 0.05 seconds/time, so it is generally called a pneumatic quick cut-off ball valve. Pneumatic ball valves are generally equipped with various accessories, such as solenoid valves, air source processing triads, limit switches, positioners, control boxes, etc., to realize local control and remote centralized control. The valve can be controlled in the control room. There is no need to run to the scene or bring manual control at high altitude and dangerously, thus saving human resources, time and safety to a great extent. The ball of the floating ball pneumatic ball valve is floating. Under the effect of medium pressure, the ball can produce a certain displacement and press tightly on the sealing surface of the outlet end to ensure the sealing of the outlet end. The floating pneumatic ball valve has a simple structure and good sealing performance, but the load of the ball receiving the working medium is all transmitted to the outlet sealing ring, so it is necessary to consider whether the sealing ring data can fully taste the working load of the ball medium. This structure is widely used in medium and low pressure ball valves.
Pneumatic ball valve without response signal, pneumatic ball valve signal line consists of a pair of control signal line and a pair of response signal line. When the PLC gives a signal to the valve, the signal is converted in the positioner of the regulating valve, and the valve stem action is controlled by the air source pressure.


 

The stroke of the valve stem transmits the opening of the valve through the response signal of the regulating valve. Assuming that the pneumatic ball valve has no response signal, use a multimeter to check whether there is voltage at each contact. To check whether the line connection is correct, check whether the signal line is damaged, check whether the signal line is loose. Second, the valve cannot be closed to zero position. First, the valve cannot be closed to zero position in practice, but the response indication is not. This is a signal problem and can be handled by adjusting the positioner. Third, the practice is not tight. It may be that the valve sealing gasket is damaged, or the valve stem joint may roll and receive blocking, which requires maintenance, remove the valve body and contact the pneumatic ball valve manufacturer to replace the sealing gasket and add lubricating oil to the tumbling place so that it can operate normally.
The above is Wuxi Xinming automatic control valve industry to introduce the relevant content.

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