Pump Systems, Hydraulics & Troubleshooting

System and pump curves, NPSH and cavitation, minimum flow, vibration, pipe strain and fault diagnosis

What you'll learn

⚡ Build a system curve from a real P&ID and predict where the pump will actually run
⚡ Calculate NPSH available from a suction system, and apply margin against NPSH required correctly
⚡ Diagnose cavitation and separate it from suction and discharge recirculation using real evidence
⚡ Work a pump problem from symptom to root cause with a defined minimum data set
⚡ Track the operating point as throttling, fouling and wear ring clearance loss move it
⚡ Recognise the damage caused by low flow and runout, and verify minimum flow protection works
⚡ Predict parallel and series pump behaviour, unequal sharing and reverse flow
⚡ Separate hydraulic from mechanical vibration, and identify pipe strain at the nozzles
⚡ Apply the affinity laws to variable speed operation and know where they stop being valid
⚡ Decide between repair, impeller trim, rerate and replacement on a lifecycle cost basis

Requirements

❗ No prior pump or hydraulics experience is required — head, curves and NPSH are built up from the start
❗ Any engineering, technical or operations background is enough to follow the course
❗ Comfortable with basic algebra — the calculations are worked step by step, in full
❗ Helpful but not essential: access to a pump curve or datasheet from your own plant to work against
❗ No software or purchases needed — no hydraulic package or licence is required

Description

This course contains the use of artificial intelligence.
▸ The pump was correctly specified. It failed anyway.
A pump is bought against a duty point, tested against a curve and warranted against a specification — and then installed into a system that asks it for something else entirely. Most pumps that give trouble in service were never wrong. They were oversized, throttled, starved, recirculated, strained by their own pipework, or asked to run at a flow the impeller was never designed to hold.
The cost of that shows up in familiar places. Seals that fail every few months and get replaced without anyone asking why. Bearings that never reach their rated life. An impeller that comes out eroded on the vane inlet and gets replaced with an identical one. A machine that is opened, repaired and returned to exactly the conditions that damaged it.
This course teaches the pump and the system as one thing. The curves and where they cross, NPSH as a calculation with real numbers behind it, what happens either side of best efficiency point, where vibration comes from, and a diagnostic method that finds the cause instead of confirming a guess.
▸ Diagnosis first, theory only where it earns its place
Every mechanism in this course is taught the same way: what it is, what conditions cause it, how it shows itself on a running machine, and what to measure to confirm it before spending money. Cavitation is taught alongside recirculation because the two are routinely confused and the corrective actions are opposite. Low flow is taught with the protection that is supposed to prevent it and frequently does not.
The commercial side is treated honestly. An oversized pump throttled across a control valve for twenty years is one of the largest avoidable energy costs on a process plant, and the course shows how to build the case for changing it rather than tolerating it.
Five focused sections, worked through in an afternoon.
▸ What you will master
• Build a system curve from a real P&ID — static head, friction and control valve drop — and predict where the pump will actually run
• Read pump and system curves together and track how the operating point migrates with throttling, fouling and wear ring clearance loss
• Calculate NPSH available step by step from a suction system, and know which assumptions make the answer optimistic
• Apply NPSH margin properly, including why the 3 percent head drop definition of NPSH required is not the onset of cavitation
• Diagnose cavitation and separate it from suction and discharge recirculation, using damage location as evidence
• Recognise the damage low flow does, and check whether minimum flow protection is present and working
• Predict parallel and series pump behaviour, including unequal load sharing and reverse flow
• Separate hydraulic from mechanical vibration causes, and identify pipe strain transmitted through the nozzles
• Work a structured diagnosis from symptom to cause — insufficient flow, high power, rapid wear — using a minimum data set
• Decide between repair, impeller trim, rerate and replacement, and build the lifecycle cost case for it
▸

Who this course is for

⭐ Rotating equipment and machinery engineers responsible for pump performance and reliability
⭐ Process and mechanical engineers sizing, selecting and specifying pumps
⭐ Reliability and maintenance engineers working recurring pump failures
⭐ Operations engineers and supervisors running the systems pumps are installed in
⭐ Project and commissioning engineers proving pump performance on site
⭐ Graduate engineers entering rotating equipment, process or reliability roles

Homepage

https://www.udemy.com/course/pump-systems-hydraulics-troubleshooting

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