The Truth about Steam #1
The cleaning industry has experienced a dramatic increase in the use of low pressure steam cleaners since the late 1990’s, so much so that many cleaning experts often refer to the period as a “steam revolution”.
However, the steam revolution is still very much confined to a certain niche sector of cleaning, Andy Boland, sales manager at Columbus said.
However the use of dry steam as a cleaning tool has become much more commonplace in recent years, it is still confined to niche sectors in the cleaning industry, despite the fact that it is fact, far less aggressive than more conventional cleaning methods and does not damage and surfaces.
In addition, dry steam has great “green biodegradable” credentials as it only uses clean cold tap water to achieve these high standards of cleanliness and the highest degree of bactericidal efficacy.
Initially, the term “dry steam” may sound like a contradiction as steam is a by-product of water and therefore cannot possibly be dry, this is true of conventional steam such as that from a kettle, but applying further heat to conventional steam and super heating it to between 140 degrees and 200 degrees, the remaining water is vaporised, thus resulting in “dry” steam.
It is this dry steam that is ideal for the use in both wet and dry environments alike and gives excellent cleaning and sanitation capability.
To explain further: dry steam technology heats the water within a boiler/heating coil to bring boiling water.
The so called “Steam curve” table or “Saturated Steam table always refers to steam at a particular saturation point, also known as the boiling point.
This is the point where water (liquid) and steam (gas) can coexist at the same temperature and pressure.
At this temperature, water is converted from its liquid state into a gas at an expansion rate of one litre of water converting to 1650 litres of steam during the entire process.