4-20 mA to Physical Value Conversion and Vice Versa
4-20 mA to Physical Value Conversion and Vice Versa is very important for calculating the physical value of pressure, temperature. Also, we will learn the
Measure
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
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.
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
What is a Ball Valve? Parts, Types , Applications, & Advantages
A ball valve consists of the valve body with a rotating ball to control flow. A ball valve as a throttling control device ideally uses
Spring and Diaphragm Pneumatic Actuator
Spring and diaphragm pneumatic actuator has a diaphragm, spring, and stem as its main parts. The air pushes the diaphragm & spring compresses. Further, the
What is a Hydraulic Actuator?
Hydraulic actuators are most suitable for applications that require a large amount of motive force for valve operation. On the other hand, the pneumatic valve