The extremely 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. Vacuum cleaners can be categorized into two basic groups:
- Those which are made for the removal of dry soils.
- Others designed for extraction of liquids.
Several various attachments are available for use in combination with most of these vacuum cleaners. Each one designed for specific cleaning jobs. All of these factors taken into consideration make vacuum cleaners a most multipurpose. Indeed indispensable cleaning tool of the trade.
In order to correctly choose the right combination, the operator must first understand the basic principles of how a vacuum system functions.
What is a vacuum? Is it matter?
A vacuum is a space partially exhausted or from which almost all air has been removed through artificial means. Conversely, a vacuum cleaner is a device of creating, containing, or utilizing a partial vacuum. In brief, a vacuum cleaning system.
This contain a vacuum motor assembly which acts as a blowing fan making a vacuum behind itself. Because a vacuum is an unnatural state, air pushes in to fill the void. Moving through the fan that creates airflow and suction need for vacuum cleaning.
Vacuum cleaning in a nutshell is the removal of soils from a surface by means of suction. This for the intention of removing dry soils is generally considered to be a form of sweeping.
A vacuum cleaner’s effectiveness ratings should be based on airflow and suction. Yet not on amperage or horsepower as they were rated in the past. Far too much stress has been placed on the horsepower rating of the electric vacuum cleaner motor. The relationship between horsepower and cleaning power as applied to a vacuum cleaner has reached the point. Where informed consumers and operators look as horsepower ratings with skepticism. When looking at horsepower ratings one must determine whether it is applied to airflow or suction.
In general, a vacuum cleaner designed for the removal of dry soils has a high airflow rating and a relatively low suction rating. This designed to remove liquid. Conversely would have a low airflow rating and a relatively high suction rating. To have ratings on both airflow and suction is practically impossible.
The Difference Between Airflow and Suction
Airflow relates to air volume, and is entirely different from suction. The airflow of a vacuum cleaning systems is measured in ‘cubic feet per minute’ or (C.F.M). This measure is used to point out how many cubic feet of air that a vacuum motor is able to inhale and exhaust without restriction within a one minute period. .
Suction is measured in ‘inches of water lift’. Inches of water lift, is how high a vacuum motor is able to lift a column of water one inch in diameter within a tube. At that point, no airflow is there only suction. Special hand held vacuum gauges for measuring its inches are available for measuring the suction of vacuum cleaners.
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