Electric control valve is the industrial automation process control instrumentation in the major execution units. With the industry growing degree of automation, is being more and more applications in various industrial fields. And compared to the conventional pneumatic control valve has obvious advantages: energy efficiency (power consumption only when at work), environmental (non-carbon emissions), quick and easy installation (no complicated piping and pump
station pneumatic).
Pneumatic control valve is driven by compressed air source to the cylinder as the actuator and valve positioner by means of electrical, switches, solenoid valves, valves and other accessories to secure his position to drive the valve, the amount or proportion of switched type regulation, industrial automation control system receives the control signal to complete the conditioning medium pipe flow, pressure, temperature and other parameters.
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Industrial Flow Control Valves.
Valves are mechanical devices to regulate the flow of fluid. They regulate the flow of liquid, gases or bulk solids (eg. minerals, grains etc.) through a passageway. There are many types of industrial valves like ball valves, gate valves, check valves, butterfly valves, forged steel valves, swing check valves etc. We've explained about few major valve types in this article. These valves are also called control valves because they do the work of controlling the flow of fluid.

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