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Areej

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Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When a Control Valve Is Passing?How a Control Valve Should Close Under Normal ConditionsCommon Symptoms of a Passing Control ValveMajor Causes of Control Valve PassingControl Valve Shutoff Performance by Valve TypeHow...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Instrumentation

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...
Temperature Measurement

How to install RTD in to a process ?

Introduction  Before we look in to the installation process of RTD we will quickly go...
How to

How to install a Thermocouple in to a process?

Introduction  In this session we are gonna discuss about the procedures to install a thermocouple...
Instrumentation

Diaphragm Seal and Instrument Assembly

Operating Principle A diaphragm seal is attached to the process connection of the instrument. The...
Instrumentation

Mounting Techniques of Diaphragm Seals

Introduction Diaphragm Seals, also referred to as chemical seals, are used in applications where the...
Electrical

AC Adjustable Speed Drives

Introduction An adjustable speed drives (ASD) is a device used to provide continuous range process speed...
PLC

Low Cost PLC’s for beginners

Introduction I would like to introduce some low cost PLC's (Programmable Logic Controller) hardware for beginners...
Control Valve

What is balancing in control valves?

Introduction Balancing is the term used when the resultant force on a plug is neutral....
Control Valve

What are the Types of control Valves?

Table of ContentsLinear Motion Control valve Globe Type Control ValveGate Type control ValveDiaphragm Type...
Valves

Difference between single seated & double seated control valves

Single Seated Single seated valves are one form of globe valve that are very common...
Valves

Control Valve Noise and Cavitation

Introduction Sound is generated from the movement of fluid through a valve. It is only...
Flow Measurement

what is Turbine flowmeter?

Introduction Turbine flowmeter have rotor-mounted blades that rotate when a fluid pushes against them. They...
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Latest articles

Control Valve

Control Valve Passing Even When Fully Closed: Causes, Symptoms, Troubleshooting and Solutions

Table of ContentsUnderstanding Control Valve Passing and Why It HappensWhat Does It Mean When...
Instrumentation Calculators

Instrument Range Calculator | Calculate Span, Rangeability, Turndown Ratio & Calibration Range

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Communication

Profibus PA Communication Problems: Causes, Symptoms and Troubleshooting Guide

Table of ContentsOverview of Profibus PA Communication Challenges What is Profibus PA Communication?Definition of Profibus...
Engineering

FAT vs SAT vs SIT: Three Critical Tests That Determine Whether Your Plant Is Truly Ready for Startup

Table of ContentsIntroductionPurpose of Factory Acceptance TestingFactory Acceptance Test ObjectivesFactory Acceptance Test ObjectivesPLC FAT...