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Causes of oil spraying from a rotary vane vacuum pump - overfilling, blocked exhaust filter, high gas load, worn exhaust valve - and how to solve each one.

What excessive temperature does to a high-pressure blower - reduced life, seal damage, bearing failure - and the causes behind it, from airflow restriction to o...

Recommended vacuum pump oil change intervals, the factors that shorten oil life, and the damage caused by leaving old oil in a pump for too long.

Whether a vacuum pump sucks or blows, what happens if you use it to generate positive pressure, and when you should choose a compressor instead.

A step-by-step guide to rotary vane vacuum pump maintenance and oil changes: preparation, draining, flushing, refilling and the checks to make afterwards.

How much vacuum laboratory filtration requires, how flask size and filter porosity affect the duty, and how to choose the right laboratory vacuum pump.

Why vacuum pumps become noisy and how to handle abnormal sounds - worn bearings, loose components, cavitation, vane wear and installation issues, with fixes.

The vacuum pump types used in semiconductor equipment - dry screw, dry claw, Roots and turbomolecular - and how each is applied in wafer processing.

How much vacuum vacuum degassing requires, how viscosity and bubble size influence the duty, and which vacuum pump is best suited to defoaming applications.

Why a Roots vacuum pump needs a backing pump, what happens if it is operated alone, and how to match a Roots stage to its backing pump for best performance.