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Technical corner

What Is a PID Controller? Principles, Structure & Real Industrial Applications (2025)

07/11/2025

In every modern factory—from steam systems, compressed air, HVAC, chemicals, food and beverage to pharmaceuticals—the PID Controller plays an extremely important role in keeping systems stable, safe, and energy-efficient. A PID controller is considered the “brain” of an automation system. It continuously maintains the Process Value (PV) close to the Setpoint (SP), minimizes fluctuations, and optimizes overall performance.

What Is a Flowmeter? Types & Industrial Applications – Complete 2025 Guide

07/11/2025

Flowmeters play a critical role in modern factories, where accurate measurement of steam, air, water, chemicals, and industrial gases directly affects production efficiency and energy cost. Even a small measurement deviation can lead to massive losses each year. That’s why a flowmeter is considered an essential device in every piping system. This article from Phuc Minh Engineering (pm-e.vn) explains what a flowmeter is, how it works, the most common types, and how to select the right flowmeter for your plant.

What Is a Steam Trap? Classification – Structure – How to Select the Right Trap for Steam Systems (2025 Guide) | Phuc Minh

07/11/2025

A steam trap is a device used to discharge condensate while retaining live steam inside pipelines or steam-using equipment. Its main functions include: Removing condensate at the right time Preventing steam loss Improving heat transfer efficiency Protecting equipment from water hammer Reducing boiler fuel consumption A steam trap acts like an “automatic valve” that distinguishes steam from condensate based on temperature, pressure, and density.

Safety Valve For Steam Systems: Structure, Operation Principles & Selection Guide 2025 | Phuc Minh Engineering

07/11/2025

Learn what a steam safety valve is, how it works, different types, and how to select the correct valve for boilers and pipelines. EN/ASME-standard valves from Phuc Minh Engineering.

What Is a Pressure Reducing Valve? Structure – Working Principle – How to Select the Best PRV for Industrial Plants (2025)

07/11/2025

A Pressure Reducing Valve (PRV) is a device used to reduce high inlet pressure to a stable, lower outlet pressure, helping protect piping systems, instruments, and machinery while improving operational safety. PRVs are widely used in: Steam systems Compressed air, gas, nitrogen Clean water – process water – chilled water Oil, chemicals, and other industrial media