What is an Unloading Valve?-Types, Principle
What is an unloading valve? An unloading valve is a pressure control device that is used to dump excess fluid to the tank at little
Measure
Oxygen(O2) Measurement in Flue Gas
This article describes oxygen measurement in flue gas. There are two types of oxygen analyzer-Paramagnetic and Zirconia– used to measure oxygen in flue gas. What
What is a Sequence Valve?
The sequence valve is a pressure control valve and it is widely used in hydraulic systems. Sequence valve is a non-passing valve. The sequence valves
Pressure Gauge Calibration Procedure
Pressure Gauge calibration is the procedure for comparison of measurement values of a unit under test with those of a more accurate calibrated standard gauge. The
Basic Principles of Instrument Calibration
This article describes the basic principle of instrument calibration. In the field of instrumentation, calibration plays a very important role. Every instrument has to be
What is Marshalling Cabinet?
The marshalling cabinet or field marshalling panel acts as an interface between the system cabinet of DCS and the field junction boxes. The main cables
Definition of Accuracy, Precision, Resolution, Range
In the field of Instrumentation and Control, a few terms like accuracy, precision, resolution, and range play a very important role. Sometimes, many engineers get
Difference between Solenoid Valve and Motorized Valve
In this article, we will discuss the difference between solenoid valve and motorized valve. The solenoid valves & motorized valves are widely used in the
What are Flanges and Why are they used in Pipelines?
Flanges are used to connect pumps, pipes, valves, and other equipment for the construction of a pipework system. Flanges can be threaded or welded. Two
Humidity Measurement Devices
This article describes humidity measurement devices. Humidity is the amount of water vapor contained in the air. Absolute Humidity: The measure of the actual amount