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.
Pressure washer gpm vs psi.
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.
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.
Higher pressure means more cleaning force.
Though psi is important you can t rely on it alone.
However without water pressure is useless and this is where gpm gallons per minute comes into play.
Psi tells you the maximum force the water is going to hit your surface with.
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.
The gpm rating like psi varies from model to model though they usually stick to a low figure.
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.
Gpm is usually more important to contractors than psi.
Read this article to find out what are our top choices of electric pressure washers.
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.
When is gpm more important than psi.
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.
Every pressure washer and power washer comes with two numbers.
An electric pressure washer in this psi range is typically going to be around 1 5 gpm.
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.
Smaller pressure washers 1 000 psi to 1 700 psi will have a low gpm.
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.
Likewise water pressure washers with 5 000 psi and 3 0 gpm has 15 000 cleaning units.
The higher the product of gpm and psi the higher the cleaning efficiency.
A gas powered pressure washer with a higher psi may be as much as 2 8 gpm.