What are the correct ways to choose a pneumatic actuator?2017-06-22
When we need pneumatic actuators, will choose relative suitable pneumatic actuators, cost-effective pneumatic actuators, so first of all to understand the type of actuator, the actuator can be divided into pneumatic actuators and electric actuators, these two kinds are commonly used when we choose the pneumatic actuator.
And then we have to choose actuator according to the pressure of the air supply , the torque required to turn the valve, too small can't open the valve , too big valve life is not long. Generally add 30% safety factor is OK.
Second, we have to assess the installation platform,there are standard for choosing actuator in each environment, we have to find the corresponding standard according to the valve
Take electric actuator as an example, there are switch type for electric actuator. Passive contact type and adjustable type. We can only according to the valve flow size for sizing.
Talking about the connection of pneumatic ball valve actuator and valve body2017-06-21
As a horizontal pneumatic valve installed in the pipeline system, its role is mainly reflected in the pipeline when the flow of media played by the truncation. In many cases, pneumatic actuators in pneumatic valves can play a key role. In the pipeline when the rapid flow of fluid medium, with the regulatory mechanism can be appropriate to control the role in order to play the ability to control the transmission of pipeline media, which is the main features of pneumatic ball valve. And because of the combination of pneumatic actuators and ball valve body, making the performance of the valve itself has been improved, just to get the ball valve, because the implementation of the access agency makes the valve in the cut off when the ball opening and closing And the fit between the seat, the excess is very smooth, more accurate fit.
And in the pipeline, the role of pneumatic actuators is through the form of gas into the air into the implementation of the internal parts, resulting in power to drive with the actuator connected to the valve stem or the opening and closing parts, so driven Actuator, also drive the valve, play the role of throttling, and this is the biggest feature of pneumatic valves.
Pneumatic Actuator's performance as an important part of the pneumatic valve2017-06-21
At present, a pneumatic actuator is the most critical tool in pneumatic valves, and as a pneumatic actuator, in fact, it is shown in the role of the valve is to make the valve device more convenient. And because of the pneumatic actuator access makes the valve drive the valve parts of the rapid linkage in the pipeline , with a certain effect of automation, and because the actuator itself is energy-driven, so the drive of valve opening and closing parts is also of a certain value. This valve is used due to the small fluid resistance to the fluid pipe to play the role of opening and closing.
And as one of the opening and closing device, the valve-mounted pneumatic actuator with the use of compressed gas, pushing the piston to the valve inside and the valve stem connected to play a role in driving the ball valve body movement, Which played a role in regulating the fluid pipeline. And as one of the opening and closing pieces, the body around the axis of the ball for the rotation of the movement of the media for a certain effect. Ball valve is characterized by wear resistance, good sealing performance , and because the resistance is small, so the internal valve body by wear and tear is small, the service life is relatively long, so that the characteristics of this pneumatic valve in the use of the pipeline more " Handy ".
China 's pneumatic valve enter the foreign market2017-06-19
According to the relevant data survey shows that China's pneumatic valve manufacturers are gradually entering the European and American markets, the relevant economists believe that the impact will cause European and American markets turmoil. only a few large-scale pneumatic valve manufacturers play the leading role in the world , and accounted for more than 50 percent of the global valve revenue.
See the market cake so huge, China's pneumatic valve manufacturers can't wait to take action. With the development of industry,The complexity of the automation enterprise has gradually stabilized, the general pneumatic valve as long as the integrated network communication module to help its real-time monitor control, feedback and monitoring performance comparable to and foreign products.
China's pneumatic valve compared to foreign valves is basically use of traditional standards for production, the price is relatively low . Relative to the cheap and good China's pneumatic valves, foreign customers prefer to choose China's pneumatic valve products. Experts predict that in the next five years, China's pneumatic valve sales volume can break through the current 8 times.