Tuesday, April 20, 2010

How to Select High Pressure Washers

High pressure washers are used for commercial and industrial cleaning processes. These machines are more powerful and sophisticated than ordinary pressure washing machines, as they have higher pressure levels and flow rates. The following are some tips to find top quality high pressure washers.

Specifications
There are three main specifications for any pressure washer: output pressure level, output temperature, and flow rate.

Output Pressure
This is the most vital factor that determines the power of the machine. The higher the pressure level, the higher the output power. Depending on the model, the pressure level can reach as high as 8000 psi. High pressure washers should have a pressure level in excess of 1500 psi. Though, it is important to remember that such high pressure levels may damage delicate surfaces, like exterior bodies of automobiles.

Output Temperature
Output temperature also affects the overall power of the machine, as higher temperatures work to quickly dissolve stubborn stains and grease residues. High pressure washers with hot water output can provide a maximum output temperature of 210°F, while those with steam output provide a temperature of 330°F.

Flow Rate
Flow rate is the quantity of water that passes through the nozzle of the machine per minute. Expressed in gallons per minute, it characteristically increases as the pressure level increases. Based on the model, it can range from 0.5 GPM to 8 GPM. Usually, a high flow rate translates to high power levels. However, high flow rates may also lead to excess water waste, a problem in areas with limited drainage or where water availability is limited.

Technology
The latest models of pressure washer machines are equipped with sophisticated technologies to make the cleaning process easier. One such technology is AST® technology. Daimer®, a well-known distributor of cleaning products, pioneered the use of this technology. It allows the operator to control the on and off functions of the machine with the trigger gun, allowing the user to take breaks in between use without having to return to the machine to manually turn the system on and off. This also reduces wear on key components, thereby extending the life of the pressure cleaner.