Pressure Washer Gpm Vs Psi

Psi tells you the maximum force the water is going to hit your surface with. While this is an important factor to consider it is important to note that a consumer should still examine the specific psi and gpm since a unit with 3000 psi and 2 0 gpm carries 6000 cu while a unit with 2000 psi and 3 0 gpm has the same cu. Read this article to find out what are our top choices of electric pressure washers.

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Higher pressure means more cleaning force.

Pressure washer gpm vs psi.

A gas powered pressure washer with a higher psi may be as much as 2 8 gpm. Getting the job done faster also means saving fuel so not only can a good pressure washer save you time it can also save you money. Many pressure washers calculate cleaning power by cu or cleaning units which is the psi number multiplied by the gpm number. Likewise water pressure washers with 5 000 psi and 3 0 gpm has 15 000 cleaning units.

A psi rating and a gpm rating. The pressure put out by a power washer is measured in psi pounds per square inch and the psi requirements can vary based on what you re aiming to clean. For example a pressure washer with 2 000 psi and 3 0 gpm has 6 000 cleaning units. A pressure washer with 3000 psi and 2 0 gpm has 6000 cleaning units a pressure washer with 2000 psi and 3 0 gpm also has 6000 cleaning units but the rinsing power is greater than the stripping power.

The gpm rating like psi varies from model to model though they usually stick to a low figure. When is gpm more important than psi. For example it ll take a lot less pressure to clean dust and salt from your vehicle than it will take to clean oil stains from your garage floor. Every pressure washer and power washer comes with two numbers.

Electric pressure washers typically range from 1 600 psi to 2 300 psi gas pressure washers range from 2 700 psi to 4 400 psi. The higher the product of gpm and psi the higher the cleaning efficiency. An electric pressure washer in this psi range is typically going to be around 1 5 gpm. Though psi is important you can t rely on it alone.

Smaller pressure washers 1 000 psi to 1 700 psi will have a low gpm. Gpm is usually more important to contractors than psi. However without water pressure is useless and this is where gpm gallons per minute comes into play. Pressure washer psi and gpm work together to provide the most efficient cleaning.

It is said in the pressure washing industry that the pressure psi does the cleaning but the water flow gpm cleans it faster. Psi or pressure pounds per square inch is usually what gets the most attention but they re both important. As a tip do also consider some of the terminology such as gallons per minute gpm measurement to compute cleaning units cu the cleaning efficiency. There are exceptions to every rule but if you choose a pressure washer that provides a gpm in these ranges you should be completely satisfied by the results.