Digital valve controller to improve control valve speed and accuracy

June 13, 2023

According to the information provided by Creative Communication Consulting Company, the digital valve controller designed by DeZURIK Company in the United States can precisely control the ball control valve and the rotary control valve by 3 times faster than the industrial standard. Digital valve controllers with piezo-actuated pneumatic controllers, non-contact position sensors, and new on-board controls and diagnostics accurately repeat up to 500 positions and provide control VALVES for each process flow Significant performance improvement. The key to the speed and accuracy of a digital valve controller is a piezo-actuated, three-stage pneumatic system that enhances low volume, low pressure pneumatic control to fast and powerful control valve movement. The newly invented valve control system makes the digital valve controller a true digital positioner because air does not flow in and out, thus creating a fast, high pressure and high volume air pulse, in contrast to the positioner phase relying on common aerodynamics The valve can be started, operated and stopped faster and more precisely than it does. DeZURIK's rotary control valves and V-ball valves provide a non-contact, large, magnetically susceptible sensor on the bottom bonnet to suit a variety of demanding conditions. In addition to the original heat, moisture and vibration control, the main advantage of the anti-magnetic sensing technology is very stable under most operating conditions, and embedded sensors enable the positioner to monitor the precise position of the valve to facilitate the enhanced performance of the valve and Better expected maintenance. Normally mounted positioner sensors only report positioner position and accuracy levels when there is a problem with the positioner, starter, adapter, stem, ball, and valve plug connections. The digital valve controller is installed in the housing of both compartments for easy installation and maintenance. The main compartment contains a variety of electrical appliances, another small compartment electrical protection valve connection. Separating the two compartments can set and change the electrical connections in the field without the risk of contaminating the internal components. Use the internal LCD control panel for easy installation and calibration. In extremely harsh operating conditions, the positioner can be controlled while collecting data from the sensor mounted on the valve. The digital valve controller also has a built-in diagnostics. A dedicated valve normal indicator provides actual data on valve performance while the valve is online. Performance data can be read out of the LCD on the controller and manual annunciators, or read from DeZURIK's instrument management system software. Non-online data can be recorded by counting method to track performance and improve the expected maintenance.

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