Technical Knowledge

Industrial pump technical guides

Content written by the engineering team that repairs pumps every day — for engineers, maintenance teams and buyers who need to understand the problem before hiring the solution.

Pump cavitation: what it is, symptoms and how to eliminate it

Understand cavitation in centrifugal pumps: the gravel noise, the causes (NPSH), impeller damage and 7 practical corrections to eliminate the problem.

Read the full guide

Mechanical seal: what it is, how it works and why it fails

Complete mechanical seal guide for pumps: components, types (single, double, cartridge), face materials, comparison with packing and the real causes of premature failure.

Read the full guide

Pump vibration analysis: what it detects and when to do it

How vibration analysis diagnoses unbalance, misalignment, bearing wear and cavitation in pumps — before failure. Standards, severity zones and the predictive routine.

Read the full guide

Rotor balancing: when to do it and what grade G2.5 means

Why rotors become unbalanced, the difference between static and dynamic balancing, what ISO 21940-11 grade G2.5 means and when to balance your pump's rotor.

Read the full guide

Shaft alignment: why pumps misalign and how to correct it

What shaft misalignment is, the two types (parallel and angular), what it destroys, laser vs dial indicator alignment and when to check alignment.

Read the full guide

NPSH: what it is, how to calculate it and what margin to use

NPSH explained without mystery: the difference between available and required NPSH, how to calculate your installation's NPSHa, the recommended margin and how to avoid cavitation.

Read the full guide

Prefer to talk directly to engineering?

Describe your pump's problem and get objective technical guidance — no strings attached.

Talk to a Specialist WhatsApp