HomeAuthorsPosts by Sivaranjith

Sivaranjith

Instrumentation Engineer
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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML" block) --> *,*::before,*::after{box-sizing:border-box;margin:0;padding:0} :root{ --brand:#1a5f9e; --brand-dark:#13467a; --brand-light:#e8f2fc; --accent:#f59e0b; --accent-dark:#d97706; --danger:#dc2626; --success:#16a34a; --warn:#d97706; --text:#1e293b; --text-muted:#64748b; --border:#cbd5e1; --bg:#f8fafc; --card:#ffffff; --radius:8px; ...
spot_img

Keep exploring

Control Valve

Types of electrical actuators – Linear & Rotary actuators

What are electrical actuators? The electrical actuator is an electromagnetic device that converts electrical energy...
Electrical

How does Relay work? Types of relays

Relays are an electronic component that can implement switching logic. Relay is a device...
Control System

What is Reliability Centered Maintenance (RCM)?

Reliability Centered Maintenance (RCM) is a process used to determine what must be done...
whatis

What is proactive maintenance?

Proactive maintenance is a preventive maintenance approach that operates to correct the root causes...
Instrumentation

What is Low Water Cutoff pump control? & installation consideration.

Why Low Water Cutoff pump control? It is harmful to boiler when water level in...
Level Measurement

Different types of level gauges:

Slight glass level gauge: A glass of sight or a water gage is a transparent...
Communication

What are the functions of HART communicator? How to use it for Zero trim & D/A trim?

Functions of HART communicator: The main function of the HART 375 Communicator is to communicate...
Instrumentation

What is superheater?

The superheater is one component in the boiler that serves to further heat the...
Control Valve

Solenoid Valve Functional Testing

Table of ContentsEquipment and preparationTypical test setup see attached imageStep by step functional testTest...
Electrical

What is contactor?

The contactor is an electrical component that serves to connect or disconnect AC power....
Communication

Cable screen, Grounding cable screen

What is cable screen? A protected cable or screened cable is an electrical cable connected...
Level Measurement

Displacer level switches working, Displacer V/S Float

Displacer controls provide float-operated control with additional characteristics. The detector is a spring-suspended weight...
Load more

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

<!-- Google Fonts (safe to keep as a inside a WordPress "Custom HTML"...
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...