What is CT Burden? CT Burden Formula
CT burden means the load connected to CT secondary. The load may be of the resistive type or of the inductive type. However, the load
Control Valve Positioner | Operating Principle & Its Types
A control valve positioner is a device that senses the signal from an instrument (controller) and the position of a valve stem. Its main function
Temperature Effect on Conductors, Semiconductors & Insulators
Temperature Effect on Conductors, Semiconductors & Insulators -The resistance of the conductor increase with an increase of temperature. Whereas, the resistance of semiconductors and insulators decreases
Uncertainty Calculations of Thermal Calibration
In this article, we will discuss the Uncertainty Calculations of Thermal Calibration. Uncertainty means how uncertain or certain we are about the result. No measurement
Control Valves Leakage Classifications
In this article, we will discuss the leakage & control valves leakage classifications. The main function of the control valves is to throttle the fluid
Basics of Globe Valves
Globe valves have a movable disk-type element and a stationary ring seat in a valve body. The valve stem moves a globe plug relative to the
Working of Rupture Disk
A Rupture Disk is a pressure relief device that actuates by static differential pressure between the inlet and outlet of the device causing bursting of a rupture disk.
What is STP(Shielded Twisted Pair)?
STP ( Shielded Twisted Pair) is guided media used in communication systems. It consists of two insulating copper wires arranged in a spiral pattern to
What is a Process Alarm? Its Types
The process alarm is initiated for early warning to take preventive action well in advance. In this article, we will discuss the process alarm &
Valve Packing | Types of Valve Packing
There are so many types of control valve packing materials are available in the market. The selection of control valve stem packing is often based