Calibration of a pneumatic valve positioner Fisher 3582
The control valve positioner is a critical component in the control valve loop. During the process control, the positioner helps to accurately position the valve....
Author : Rabert T
Maximum Temperature and Pressure Ratings ANSI B16.5 Flanges and Flange Fittings
The cast or forged materials are used to make ANSI B16.5 flanges and flanged fittings. According to the American National Standard ANSI B16.5, the maximum...
Contactor and its working
What is a Contactor? A contactor is an electromagnetic switch that is used to turn on and off an electrical circuit. It’s also a device that...
220V 3Phase Wiring
What is Three Phase? A typical technique of alternating-current electric power generation, transmission, and distribution is three-phase electric power. It is a form of polyphase...
Modes of Split-Range Control in Control Valve Applications
For most control applications in process industries, it is required to have more than one control valve to respond to the single controller output. The...
Failure modes in Control valve actuators
Control valves are constructed using various combinations of the valve actuator and valve body. The failure modes in the control valve actuator is achieved by...
Difference between Two Phase and Three Phase
What is Two Phase? Two-phase electrical power was an optional process (polyphase) alternating current electric power distribution technology used in the early twentieth century. Two circuits...
What is the use of ELCB in a circuit?
What is an ELCB? Earth Leakage Circuit Breakers are safety devices that provide additional protection against earth leakage. ELCB is employed in places where the...
What are the different types of Circuit Breaker?
What is Circuit Breaker? A circuit breaker is a device that may manually or automatically break a circuit under all circumstances, including no load, full...