Educational Articles
Steam & BoilersSteam Trap Selection Guide: Types, Principles and Common Mistakes
Why one failed trap can waste thousands of dollars of steam a year, and how to choose the right trap.
2 min read
Control & InstrumentationControl Valve Sizing: Flow Coefficients Cv and Kv in Practice
From the basic formula to selecting size and trim characteristic, with a worked example and a Kvs table.
2 min read
Control & InstrumentationPID Controller Tuning: Fundamentals, Methods and Step Response
The effect of each parameter, Ziegler–Nichols and lambda tuning, with a simulated first-order-plus-dead-time process.
1 min read
Control & InstrumentationThe 4–20 mA Current Loop: Principles, Wiring and Troubleshooting
Why it has been the industrial signal standard for over half a century, and how to design it properly.
2 min read
Control & InstrumentationFlow Meter Selection Guide: Magnetic, Vortex, Coriolis or Orifice?
A comparison of accuracy, turndown, pressure loss and cost of common technologies, and a three-step selection method.
1 min read
Hydraulics & PumpsPipe Pressure Drop: the Darcy–Weisbach Equation and Pipe Sizing
Calculating water pressure drop in steel pipes, recommended velocities and how diameter affects pumping energy cost.
1 min read
Thermal & ExchangersPlate Heat Exchangers: Principles, LMTD and Heat-Transfer Area
Why plate exchangers are more compact and efficient, and how to estimate the required area with the LMTD method.
2 min read
Steam & BoilersRaising Steam-System and Boiler Efficiency: Proven Measures
From excess-air control to condensate return: how much each measure saves and where to start.
2 min read
Hydraulics & PumpsVFDs on Pumps and Fans: Affinity Laws and Energy-Saving Calculation
Why a 20 % speed reduction can cut power by almost half, and how to calculate real savings.
1 min read
AI & DataPredictive Maintenance with Machine Learning in Energy Systems
From raw sensor data to early warning: algorithms, workflow and common pitfalls.
1 min read