Vacuum pump selection: liquid ring, rotary vane or side channel
Three vacuum technologies, three different tolerances for contamination, moisture and duty cycle. Matching the pump to the gas is what determines service life.
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Technical explainers
How the technology works: reading performance curves, comparing machine types and choosing between technologies.
Why explosion-proof blowers must be complete units, not converted standard machines
In a classified area the certification covers the whole assembly. A standard blower with an explosion-proof motor is not the same thing.
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Side channel blower or centrifugal blower? A practical comparison
Both move air, but they suit very different duty points. The choice usually comes down to pressure versus volume.
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How to read a side channel blower curve before you buy
A blower's headline flow figure means nothing on its own. Here is how the curve, the system resistance and the duty point fit together.
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