About Vacuum Cleaners
The essential tool within the carpet cleaning industry is the vacuum cleaner. Vacuum cleaners are available in all sorts of shapes and sizes. Particularly designed for various cleaning applications. This can be categorized into two basic groups—those made for the removal of dry soils and others designed to extract liquids. Several various attachments are available for use in combination with most of these vacuum cleaners.
First and foremost, let us define the true meaning of the word “vacuum”. A vacuum is a space partially exhausted from which air has been removed through artificial means. Conversely, a vacuum cleaner is a device of creating, containing. As well as utilizing a partial vacuum for cleaning as in a vacuum cleaning system.
How vacuum cleaners work
Vacuum cleaners contain a vacuum motor. Because a vacuum is an unnatural state, the air pushes in to fill the void. It is the removal of soils from a surface through suction. Vacuum cleaning for the intention of removing dry soils is generally considered to be a form of sweeping.
A vacuum can do much more than removing the dust and dirt from your floors and carpets. So, I love your vacuum. A vacuum cleaner helps you to gather all the pet hair sticking to rugs. A vacuum cleaner’s effectiveness ratings should be based on airflow and suction.
Airflow relates to air volume and is entirely different from suction. A high-efficiency vacuum must have the ability to move 156 (CFM). In contrast, a high-efficiency vacuum cleaner, particularly designed to remove liquids, might only have the ability to move 88 (CFM).
Inches of water lift is how high a vacuum motor can lift a column of water one inch in diameter within a tube. At that point, no airflow is there, only suction. Special handheld vacuum gauges for measuring ‘inches of water lift’ are available for measuring the suction of vacuum cleaners. A high-efficiency vacuum cleaner for dry soil removal on the carpet, for instance, might have an ‘inches of water lift’ rating of only 12″, while a high-efficiency vacuum cleaner particularly designed for removal of liquids might have a rating of 150″.
Hence, the balance between the CFM rating and the “inches of water lift” rating of a vacuum cleaner determines its most appropriate cleaning application.
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BY GRAEME STEPHENS · PUBLISHED 30/10/2001. UPDATED 27/03/2021