Search Results for: Control valve

Different Types of Servo Motors

Introduction Different types of servo motors are there according to their application, such as AC servo motor, DC servo motor, DC brushless servomotor, positional rotation, continuous rotation and linear servomotor, etc. Typical servomotors consist of three cables, namely, power and ground control. The shape and size of these engines depend on their applications. The RC …

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How switches and relays work ?

How switches work and their structure The switches are used to facilitate or interrupt a current flow in an electrical circuit. Depending on their design, these switches can be push buttons or retention switches. • In the case of a push button, the selected switching position is only maintained for as long as the push-button …

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Time delay relays

Introduction The time delay relays are special purpose relays or logic components that have some characteristics of both relays and Timers Timing is one of the variables of any process, and often needs to be monitored or controlled. Some operatives the steps in a process may need to match or may need to be separated …

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DIFFERENCE BETWEEN DCS ,PLC AND SCADA

DIFFERENCE BETWEEN DCS ,PLC AND SCADA  SCADA (Supervisory contol and Data Acquisition) is essentially a computer based (usually PC nowadays) system for displaying field data. The difference between it and HMI (Human Machine Inerface) software aren’t significant.Most SCADA systems are tag based, and a lot of HMI software is set up to read registers in PLCs directly. SCADA software like Wonderware …

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Air Maintenance Device with Adjustable Regulator for Fusible Plug Loops

Introduction Air Maintenance Device is a control unit that automatically regulates a continuous pressurized air (or nitrogen) supply to a constant preset value. The standard configuration includes a field adjustable pressure regulator, to and strainer and two spring loaded check valves. Additional options include Pressure Gauges, Pressure Switches / Transmitters, Air Tank and Pressure Safety …

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