MD Sayeed Umar 
Scope, Line Identification, and Design Basics for Piping Engineers A complete beginner-to-practitioner guide to ASME B31.1 Power Piping. Learn scope, line identification on P&IDs, line numbering systems, design pressure, design temperature, and piping class basics with real plant examples. Introduction: Why This Guide Exists ASME B31.1, commonly known as the Power Piping Code, is one … Read more
Introduction Pipe sizing is one of the most fundamental activities in piping design and piping engineering. In oil & gas facilities, refineries, chemical plants, and power plants, correct pipe sizing directly affects process performance, safety, operability, and lifecycle cost. Pipe sizing is not just a mathematical exercise. It is a combination of process requirements, fluid … Read more
Introduction In piping design, selecting the correct pipe thickness is one of the most fundamental engineering tasks. Pipe thickness directly affects pressure containment, mechanical strength, corrosion life, safety, and project cost. In Oil and Gas Piping, chemical plants, refineries, and power plants, pipe thickness is not chosen arbitrarily. It is calculated using ASME B31 codes, … Read more
Introduction In piping design and piping engineering, correct identification of every pipeline is extremely important. In large plants such as oil & gas facilities, chemical plants, refineries, and power plants, thousands of pipelines carry different fluids under different pressures and temperatures. To manage this complexity, piping engineers use a Line Designation system, also known as … Read more
In any process plant, pipes are more than just hollow tubes carrying fluid. They are pressure-containing components expected to work safely for 20, 25, sometimes 40 years. During that life, corrosion is not a possibility — it is a certainty.That is where corrosion allowance comes in. As a piping engineer, understanding corrosion allowance is one … Read more
When you first step into a plant site or start reading piping drawings, everything may look confusing—pipes going everywhere, strange symbols on drawings, and many unfamiliar names. Over time, you realize that a piping system is not just pipes. It is a collection of piping components, each with a specific role. Understanding piping components is … Read more
When someone starts learning piping engineering, one of the first and most important topics they must understand is piping materials. In real plants, most piping problems do not happen because of poor drawings, but because of wrong material selection. Over the years, I have seen leaks, cracks, corrosion failures, and even shutdowns—all linked back to … Read more
If you are new to piping engineering, or even if you are working in the field for a few years, you will often hear terms like NPS, DN, and Schedule. Many beginners get confused and sometimes even experienced engineers mix these terms during discussions. I will explain NPS, DN, and Pipe Schedule in a very … Read more
Piping vs Pipeline is one of the most important topics in mechanical and piping engineering. Although both systems are designed to transport fluids, piping vs pipeline comparisons are essential because they differ significantly in design philosophy, operating conditions, applicable ASME codes, construction methods, and maintenance requirements. Choosing between a piping system and a pipeline affects … Read more
Introduction When I started my career in piping engineering more than 20+ years ago, the first question my senior asked me was very simple: “Do you really understand what piping is?” Many new engineers also confuse piping with pipelines. While both transport fluids, they serve different purposes and are designed according to different standards. If … Read more