Solenoid Valves in ESD Applications: Types, Coil Ratings, Applications, and Maintenance for Optimal Performance in Oil & Gas and Process Industries

Introduction In the oil & gas and process industries, Emergency Shutdown (ESD) valves play a critical role in safeguarding personnel, assets, and the environment. Central to the reliable functioning of these ESD valves are solenoid valves, which act as pilot devices to control pneumatic or hydraulic actuators. Despite being small in size, solenoid valves are […]

Essential Accessories for Pressure Gauges: A Complete Guide

Pressure gauges are critical components in process instrumentation, providing real-time feedback on system pressures to ensure safety, reliability, and efficiency. However, for these gauges to operate accurately and withstand challenging process conditions, a variety of accessories are often required. These accessories serve to protect the gauge, improve readability, allow for isolation and calibration, and adapt […]

Selecting the Right Pressure Gauge for Your Application: A Complete Guide

In industrial environments where process control and equipment safety are paramount, pressure gauges serve as critical indicators of system health. Whether in oil and gas, chemical processing, pharmaceuticals, power plants, or general manufacturing, selecting the correct pressure gauge ensures reliable readings, minimizes downtime, and extends the life of your instrumentation. This comprehensive guide explores the […]

Selection of Instrument Ranges Based on Process Data for Pressure, Flow, and Temperature Instruments

Instrument Range Selection Guide Selection of Instrument Ranges Based on Process Data An Interactive Guide for Pressure, Flow, and Temperature Instruments Contents Introduction 1. Why It Matters 2. Pressure Instruments 3. DP Instruments 4. Flow Instruments 5. Temperature Instruments 6. Additional Considerations 7. Summary Table 8. Conclusion Introduction Instrumentation plays a pivotal role in ensuring […]

Explosion-Proof Enclosures – Top 50 Interview Questions and Answers

Top 50 Explosion-Proof Enclosures Interview Questions and Answers Top 50 Explosion-Proof Enclosures Interview Questions I. Basic Concepts 1. What is an explosion-proof enclosure? An explosion-proof enclosure is a robust housing for electrical equipment specifically engineered to contain an internal explosion. Purpose: To prevent sparks, arcs, or flashes from electrical components inside from igniting flammable gases, […]

Temperature Gauges- Top 30 Interview Questions and Answers

Temperature Gauges – Top 30 Interview Questions & Answers | Instrunexus IN Temperature Gauges – Top 30 Interview Questions & Answers Curated for instrumentation & control engineers in oil & gas • © Instrunexus Expand All Collapse All Print / Save PDF Tip: Use the search to filter by topic. Click a question to reveal […]

Pressure Gauges – Top 30 Interview Questions and Answers

Pressure Gauges – Top 30 Interview Questions & Answers | Instrunexus IN Pressure Gauges – Top 30 Interview Questions & Answers Curated for instrumentation & control engineers in oil & gas • © Instrunexus Expand All Collapse All Print / Save PDF Tip: Use the search to filter by topic. Click a question to reveal […]

Understanding NAMUR NE 43: Fault Signaling in Analog 4–20 mA Loops

Interactive Guide to NAMUR NE 43: Fault Signaling in 4–20 mA Loops An Interactive Guide to NAMUR NE 43 Visualize and understand fault signaling in analog 4–20 mA loops. Table of Contents Interactive Simulator Introduction What is NAMUR? Signal Ranges Key Benefits Common Misunderstandings Conclusion Interactive Signal Simulator 12.00 mA Normal Operation Introduction In process […]

loop diagrams preparation and troubleshooting : 20 important Interview questions and answers

Loop Diagram Fundamentals Loop Diagram Fundamentals Your complete guide to understanding, preparing, and troubleshooting instrumentation loops. Loop Diagram Preparation 1. What is a loop diagram? A loop diagram is a detailed schematic showing the connection and interaction between field instruments and control systems (PLC/DCS). It typically includes wiring, terminal numbers, instrument tag numbers, signal types, […]

Impulse Lines Demystified: 50 Expert Q&As for Instrumentation Engineers

Impulse Line Installation — 50 Q&A (Pressure, DP, Level, Flow) Impulse Line Installation — 50 Q&A Pressure • Differential Pressure • Level • Flow — Practical guidance for oil & gas field installations. Always follow your project/Company Standards and P&IDs. Expand all Collapse all 50 shown General Pressure DP Level Flow Steam Commissioning Materials 1 Why […]