Articles for Contractors - Equipment

How a Pump Works

What a pump actually does is move a column of water to create a flow. Pressure results from a restriction on than column of water as is the case when the water passes through a nozzle. When we speak of a pump’s ability to create a certain pressure at a certain...
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Breaking down the pressure washer

Cold Water are the most popular, probably primarily due to cost and ease in manufacturing and use. They are generally limited to 140 degrees F – temperature from a hot water tap. They are broken into two types: electric or gas engine. 1. Electric are more...
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Understanding Pressure Washer Pumps

Probably the easiest way to understand how a pressure washer functions is to diagnose a unit and see how it is constructed. We have selected a cold water portable unit for this purpose. 1. First you have your power source (engine or motor) this is what creates the...
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Cavitation and heat will kill your pump!

Can you identify and avoid cavitation…  the formation and collapse of gaseous cavities in a liquid which causes severe wear or eroding of the metal wear surfaces in the pump. To the right are packings and check valves from a 3-month old pump that was starved of...
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Buying the right PRESSURE WASHER HOSE

The most common mistake made when purchasing pressure hose is equipping a machine with a hose that has too low a working pressure. A 3000 PSI machine should be equipped with a hose that has a working pressure of more than 3000 PSI. This advice comes from years of...
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Chemical Section

How to Wash Stuff

There is no one way to wash any surface. This data is meant to help people that don’t know how to wash and need guidelines. This information recommends certain cleaning chemicals, operating techniques, and methods that are proven to work. This guide is not meant to insult anyone that does the same job in a different way.  Read More…